This document describes command-line interface (CLI) commands you use to view and configure FASTPATH
software. You can access the CLI by using a direct connection to the serial port or by using telnet or SSH over a
remote network connection.
This document is for system administrators who configure and operate systems using FASTPATH software. It
provides an understanding of the configuration options of the FASTPATH software.
Software engineers who integrate FASTPATH software into their hardware platform can also benefit from a
description of the configuration options.
This document assumes that the reader has an understanding of the FASTPATH software base and has read the
appropriate specification for the relevant networking device platform. It also assumes that the reader has a basic
knowledge of Ethernet and networking concepts.
How to Use This Document
Chapter 1 “Using the Command-Line Interface” details the procedure to quickly become acquainted with the
FASTPATH software.
Note: Refer to the release notes for the FASTPATH application level code. The release notes
detail the platform specific functionality of the Switching, Routing, SNMP, Config, Management,
and Bandwidth Provisioning packages. The suite of features supported by the FASTPATH
packages are not available on all the platforms to which FASTPATH has been ported.
Proprietary Note
This document contains information proprietary to Kontron Modular Computers GmbH. It may not be copied or
transmitted by any means, disclosed to others, or stored in any retrieval system or media without the prior written
consent of Kontron Modular Computers GmbH or one of its authorized agents.
The information contained in this document is, to the best of our knowledge, entirely correct. However, Kontron
Modular Computers GmbH cannot accept liability for any inaccuracies or the consequences thereof, or for any
liability arising from the use or application of any circuit, product, or example shown in this document.
Kontron Modular Computers GmbH reserves the right to change, modify, or improve this document or the product
described herein, as seen fit by Kontron Modular Computers GmbH without further notice.
Trademarks
Broadcom®, the pulse logo, Connecting everything®, the Connecting everything logo, and FASTPATH® are among
the trademarks of Broadcom Corporation and/or its affiliates in the United States, certain other countries and/or the
EU. Any other trademarks or trade names mentioned are the property of their respective owners.
Linux is a registered trademark of Linus Torvalds.
RedHat is a registered trademark of RedHat
Kontron Modular Computers GmbH and the Kontron Logo are trade marks owned by Kontron Modular Computers
GmbH, Kaufbeuren (Germany). In addition, this document may include names, company logos and trademarks,
which are registered trademarks and, therefore, proprietary to their respective owners.
Page iiiAT8404 CLI Reference Manual
PrefaceAT8404
Environmental Protection Statement
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AT8404 CLI Reference ManualPage iv
AT8404Preface
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Page vAT8404 CLI Reference Manual
PrefaceAT8404
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Chapter
1
Chapter
2
Revision History .........................................................................................................ii
B.7 O/S Support ..........................................................................................B - 14
Page xxvAT8404 CLI Reference Manual
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Appendix
C
C.List of Commands ....................................................................................... C - 2
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Using the Command-Line Interface
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Using the Command-Line InterfaceAT8404
1.Using the Command-Line Interface
The command-line interface (CLI) is a text-based way to manage and monitor the system. You can access the CLI
by using a direct serial connection or by using a remote logical connection with telnet or SSH.
This chapter describes the CLI syntax, conventions, and modes. It contains the following sections:
•1.1 “Command Syntax” on page 1 - 2
•1.2 “Command Conventions” on page 1 - 2
•1.3 “Common Parameter Values” on page 1 - 3
•1.4 “Slot/Port Naming Convention” on page 1 - 4
•1.5 “Using the “No” Form of a Command” on page 1 - 4
•1.6 “FASTPATH Modules” on page 1 - 4
•1.7 “Command Modes” on page 1 - 5
•1.8 “Command Completion and Abbreviation” on page 1 - 7
•1.9 “CLI Error Messages” on page 1 - 7
•1.10 “CLI Line-Editing Conventions” on page 1 - 7
•1.11 “Using CLI Help” on page 1 - 8
•1.12 “Accessing the CLI” on page 1 - 8
1.1Command Syntax
A command is one or more words that might be followed by one or more parameters. Parameters can be required
or optional values.
Some commands, such as show network or clear vlan, do not require parameters. Other commands, such
as network parms, require that you supply a value after the command. You must type the parameter values in a
specific order, and optional parameters follow required parameters. The following example describes the networkparms command syntax:
Format network parms <ipaddr> <netmask> [gateway]
•network parms is the command name.
•<ipaddr> and <netmask> are parameters and represent required values that you must enter after you type
the command keywords.
•[gateway] is an optional parameter, so you are not required to enter a value in place of the parameter.
The CLI Command Reference lists each command by the command name and provides a brief description of the
command. Each command reference also contains the following information:
•Format shows the command keywords and the required and optional parameters.
•Mode identifies the command mode you must be in to access the command.
•Default shows the default value, if any, of a configurable setting on the device.
The show commands also contain a description of the information that the command shows.
1.2Command Conventions
In this document, the command name is in bold font. Parameters are in italic font. You must replace the
parameter name with an appropriate value, which might be a name or number. Parameters are order dependent.
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The parameters for a command might include mandatory values, optional values, or keyword choices. Table 1
describes the conventions this document uses to distinguish between value types.
Table 1: Parameter Conventions
SymbolExampleDescription
<> angle brackets<value>Indicates that you must enter a value in place of the
brackets and text inside them.
[] square brackets[value]Indicates an optional parameter that you can enter in place
of the brackets and text inside them.
{} curly braces{choice1 | choice2}Indicates that you must select a parameter from the list of
choices.
| Vertical barschoice1 | choice2Separates the mutually exclusive choices.
[{}] Braces within
square brackets
1.3Common Parameter Values
[{choice1 | choice2}]Indicates a choice within an optional element.
Parameter values might be names (strings) or numbers.To use spaces as part of a name parameter, enclose the
name value in double quotes. For example, the expression “System Name with Spaces” forces the system to accept
the spaces. Empty strings (““) are not valid user-defined strings. Table 2 describes common parameter values and
value formatting.
Table 2: Parameter Descriptions
ParameterDescription
ipaddrThis parameter is a valid IP address. You can enter the IP address in the following
formats:
a (32 bits)
a.b (8.24 bits)
a.b.c (8.8.16 bits)
a.b.c.d (8.8.8.8)
In addition to these formats, the CLI accepts decimal, hexidecimal and octal formats
through the following input formats (where n is any valid hexidecimal, octal or decimal
number):
0xn (CLI assumes hexidecimal format)
0n (CLI assumes octal format with leading zeros)
n (CLI assumes decimal format)
ipv6-addressFE80:0000:0000:0000:020F:24FF:FEBF:DBCB, or
FE80:0:0:0:20F:24FF:FEBF:DBCB, or
FE80::20F24FF:FEBF:DBCB, or
FE80:0:0:0:20F:24FF:128:141:49:32
For additional information, refer to RFC 3513.
Interface or
slot/port
Valid slot and port number separated by a forward slash. For example, 0/1 represents
slot number 0 and port number 1.
Logical InterfaceRepresents a logical slot and port number. This is applicable in the case of a port-
channel (LAG). You can use the logical slot/port to configure the port-channel.
Character stringsUse double quotation marks to identify character strings, for example, “System Name
with Spaces”. An empty string (“”) is not valid.
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Using the Command-Line InterfaceAT8404
1.4Slot/Port Naming Convention
FASTPATH software references physical entities such as cards and ports by using a slot/port naming convention.
The FASTPATH software also uses this convention to identify certain logical entities, such as Port-Channel
interfaces.
The slot number has two uses. In the case of physical ports, it identifies the card containing the ports. In the case
of logical and CPU ports it also identifies the type of interface or port.
Table 3: Type of Slots
Slot TypeDescription
Physical slot numbers Physical slot numbers begin with zero, and are allocated up to the maximum
CPU slot numbersThe CPU slots immediately follow the logical slots.
number of physical slots.
or router interfaces.
The port identifies the specific physical port or logical interface being managed on a given slot.
Table 4: Type of Ports
Port TypeDescription
Physical PortsThe physical ports for each slot are numbered sequentially starting from zero.
Logical InterfacesPort-channel or Link Aggregation Group (LAG) interfaces are logical interfaces
CPU portsCPU ports are handled by the driver as one or more physical entities located on
Note: In the CLI, loopback and tunnel interfaces do not use the slot/port format. To specify a loopback
interface, you use the loopback ID. To specify a tunnel interface, you use the tunnel ID.
that are only used for bridging functions.
VLAN routing interfaces are only used for routing functions.
Loopback interfaces are logical interfaces that are always up.
Tunnel interfaces are logical point-to-point links that carry encapsulated
packets.
physical slots.
1.5Using the “No” Form of a Command
The no keyword is a specific form of an existing command and does not represent a new or distinct command.
Almost every configuration command has a no form. In general, use the no form to reverse the action of a command
or reset a value back to the default. For example, the no shutdown configuration command reverses the shutdown
of an interface. Use the command without the keyword no to re-enable a disabled feature or to enable a feature
that is disabled by default. Only the configuration commands are available in the no form.
1.6FASTPATH Modules
FASTPATH software consists of flexible modules that can be applied in various combinations to develop advanced
Layer 2/3/4+ products. The commands and command modes available on your switch depend on the installed
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AT8404Using the Command-Line Interface
modules. Additionally, for some show commands, the output fields might change based on the modules included in
the FASTPATH software.
The FASTPATH software suite includes the following modules:
•Switching (Layer 2)
•Quality of Service
•Management (CLI and SNMP)
Not all modules are available for all platforms or software releases.
1.7Command Modes
The CLI groups commands into modes according to the command function. Each of the command modes supports
specific FASTPATH software commands. The commands in one mode are not available until you switch to that
particular mode, with the exception of the User EXEC mode commands. You can execute the User EXEC mode
commands in the Privileged EXEC mode.
The command prompt changes in each command mode to help you identify the current mode. Table 5 describes
the command modes and the prompts visible in that mode.
Note: The command modes available on your switch depend on the software modules that are installed.
Table 5: CLI Command Modes
Command ModePromptMode Description
User EXECSwitch>Contains a limited set of commands to view
basic system information.
Privileged EXECSwitch#Allows you to issue any EXEC command,
enter the VLAN mode, or enter the Global
Configuration mode.
Global ConfigSwitch (Config)#Groups general setup commands and
VLAN ConfigSwitch (Vlan)#Groups all the VLAN commands.
Interface Config Switch (Interface <slot/port>)#
Switch (Interface Loopback <id>)#
Switch (Interface Tunnel <id>)#
Line ConfigSwitch (line)#Contains commands to configure outbound
Policy Map
Config
Policy Class
Config
Class Map ConfigSwitch (Config-class-map)#Contains the QoS class map configuration
Switch (Config-policy-map)#Contains the QoS Policy-Map configuration
Switch (Config-policy-class-map)# Consists of class creation, deletion, and
permits you to make modifications to the
running configuration.
Manages the operation of an interface and
provides access to the router interface
configuration commands.
Use this mode to set up a physical port for a
specific logical connection operation.
telnet settings and console interface settings.
commands.
matching commands. The class match
commands specify Layer 2, Layer 3, and
general match criteria.
commands for IPv4.
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Table 5: CLI Command Modes (Continued)
Command ModePromptMode Description
MAC Access-list
Config
TACACS ConfigSwitch (Tacacs)#Contains commands to configure properties
DHCP Pool
Config
Table 6 explains how to enter or exit each mode.
Command ModeAccess MethodExit or Access Previous Mode
User EXECThis is the first level of access. To exit, enter logout.
Privileged EXECFrom the User EXEC mode, enter
Global ConfigFrom the Privileged EXEC mode, enter
VLAN ConfigFrom the Privileged EXEC mode, enter
Interface Config From the Global Config mode, enter
Line ConfigFrom the Global Config mode, enter
Policy-Map
Config
Policy-Class-Map
Config
Class-Map
Config
MAC Access-list
Config
TACACS ConfigFrom the Global Config mode, enter
DHCP Pool
Config
Switch (Config-mac-access-list)#Allows you to create a MAC Access-List and
Switch (Config dhcp-pool)#Contains the DHCP server IP address pool
Table 6: CLI Mode Access and Exit
enable.
configure.
vlan database.
interface <slot/port> or
interface loopback <id> or
interface tunnel <id>
lineconfig.
From the Global Config mode, enter
policy-map.
From the Policy Map mode enter class. To exit to the Policy Map mode, enter exit. To
From the Global Config mode, enter
class-map, and specify the optional
keyword ipv4 to specify the Layer 3
protocol for this class. See 3.3.1 “classmap” on page 3 - 10 for more information.
From the Global Config mode, enter
mac access-list extended <name>.
tacacs-server host <ip-addr>,
where <ip-addr> is the IP address of the
TACACS server on your network.
From the Global Config mode, enter
ip dhcp pool<pool-name>.
to enter the mode containing MAC AccessList configuration commands.
for the TACACS servers.
configuration commands.
To exit to the User EXEC mode, enter exit or
press Ctrl-Z.
To exit to the Privileged EXEC mode, enter exit,
or press Ctrl-Z.
To exit to the Privileged EXEC mode, enter exit,
or press Ctrl-Z.
To exit to the Global Config mode, enter exit. To
return to the Privileged EXEC mode, enter Ctrl-Z.
To exit to the Global Config mode, enter exit. To
return to the Privileged EXEC mode, enter Ctrl-Z.
To exit to the Global Config mode, enter exit. To
return to the Privileged EXEC mode, enter Ctrl-Z.
return to the Privileged EXEC mode, enter Ctrl-Z.
To exit to the Global Config mode, enter exit. To
return to the Privileged EXEC mode, enter Ctrl-Z.
To exit to the Global Config mode, enter exit. To
return to the Privileged EXEC mode, enter Ctrl-Z.
To exit to the Global Config mode, enter exit. To
return to the Privileged EXEC mode, enter Ctrl-Z.
To exit to the Global Config mode, enter exit. To
return to the Privileged EXEC mode, enter Ctrl-Z.
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1.8Command Completion and Abbreviation
Command completion finishes spelling the command when you type enough letters of a command to uniquely
identify the command keyword. Once you have entered enough letters, press the SPACEBAR or TAB key to
complete the word.
Command abbreviation allows you to execute a command when you have entered there are enough letters to
uniquely identify the command. You must enter all of the required keywords and parameters before you enter the
command.
1.9CLI Error Messages
If you enter a command and the system is unable to execute it, an error message appears. Table 7 describes the
most common CLI error messages.
Table 7: CLI Error Messages
Message TextDescription
% Invalid input detected at '^'
marker.
Command not found / Incomplete
command. Use ? to list commands.
Ambiguous commandIndicates that you did not enter enough letters to uniquely identify
Indicates that you entered an incorrect or unavailable command.
The carat (^) shows where the invalid text is detected. This
message also appears if any of the parameters or values are not
recognized.
Indicates that you did not enter the required keywords or values.
the command.
1.10CLI Line-Editing Conventions
Table 8 describes the key combinations you can use to edit commands or increase the speed of command entry.
You can access this list from the CLI by entering help from the User or Privileged EXEC modes.
Table 8: CLI Editing Conventions
Key SequenceDescription
DEL or BackspaceDelete previous character
Ctrl-AGo to beginning of line
Ctrl-EGo to end of line
Ctrl-FGo forward one character
Ctrl-BGo backward one character
Ctrl-DDelete current character
Ctrl-U, XDelete to beginning of line
Ctrl-KDelete to end of line
Ctrl-WDelete previous word
Ctrl-TTranspose previous character
Ctrl-PGo to previous line in history buffer
Ctrl-RRewrites or pastes the line
Ctrl-NGo to next line in history buffer
Ctrl-YPrints last deleted character
Ctrl-QEnables serial flow
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Table 8: CLI Editing Conventions (Continued)
Key SequenceDescription
Ctrl-SDisables serial flow
Ctrl-ZReturn to root command prompt
Tab, <SPACE>Command-line completion
ExitGo to next lower command prompt
?List available commands, keywords, or parameters
1.11Using CLI Help
Enter a question mark (?) at the command prompt to display the commands available in the current mode.
(switch) >?
enable Enter into user privilege mode.
help Display help for various special keys.
logout Exit this session. Any unsaved changes are lost.
ping Send ICMP echo packets to a specified IP address.
quit Exit this session. Any unsaved changes are lost.
show Display Switch Options and Settings.
telnet Telnet to a remote host.
Enter a question mark (?) after each word you enter to display available command keywords or parameters.
(switch) #network ?
javamode Enable/Disable.
mgmt_vlan Configure the Management VLAN ID of the switch.
parms Configure Network Parameters of the router.
protocol Select DHCP, BootP, or None as the network config
protocol.
If the help output shows a parameter in angle brackets, you must replace the parameter with a value.
(switch) #network parms ?
<ipaddr> Enter the IP address.
If there are no additional command keywords or parameters, or if additional parameters are optional, the following
message appears in the output:
<cr> Press Enter to execute the command
You can also enter a question mark (?) after typing one or more characters of a word to list the available command
or parameters that begin with the letters, as shown in the following example:
(switch) #show m?
mac-addr-table mac-address-table monitor
1.12Accessing the CLI
You can access the CLI by using a direct console connection or by using a telnet or SSH connection from a remote
management host.
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For the initial connection, you must use a direct connection to the console port. You cannot access the system
remotely until the system has an IP address, subnet mask, and default gateway. You can set the network
configuration information manually, or you can configure the system to accept these settings from a BOOTP or
DHCP server on your network. For more information, see 5.1 “Network Interface Commands” on page 5 - 2.
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Chapter1
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AT8404
Switching Commands
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Switching CommandsAT8404
2.Switching Commands
This chapter describes the switching commands available in the FASTPATH CLI.
The Switching Commands chapter includes the following sections:
•2.1 “Port Configuration Commands” on page 2 - 2
•2.2 “Spanning Tree Protocol (STP) Commands” on page 2 - 7
•2.3 “VLAN Commands” on page 2 - 20
•2.4 “Double VLAN Commands” on page 2 - 30
•2.5 “Voice VLAN Commands” on page 2 - 32
•2.6 “Provisioning (IEEE 802.1p) Commands” on page 2 - 34
•2.7 “Protected Ports Commands” on page 2 - 34
•2.8 “GARP Commands” on page 2 - 36
•2.9 “GVRP Commands” on page 2 - 38
•2.10 “GMRP Commands” on page 2 - 39
•2.11 “Port-Based Network Access Control Commands” on page 2 - 41
•2.12 “Storm-Control Commands” on page 2 - 52
•2.13 “Port-Channel/LAG (802.3ad) Commands” on page 2 - 61
•2.14 “Port Mirroring” on page 2 - 75
•2.15 “Static MAC Filtering” on page 2 - 77
•2.16 “DHCP Snooping Configuration Commands” on page 2 - 80
•2.17 “Dynamic ARP Inspection Commands” on page 2 - 88
•2.18 “IGMP Snooping Configuration Commands” on page 2 - 93
•2.19 “IGMP Snooping Querier Commands” on page 2 - 99
•2.20 “MLD Snooping Commands” on page 2 - 102
•2.21 “MLD Snooping Querier Commands” on page 2 - 108
•2.22 “Port Security Commands” on page 2 - 111
•2.23 “LLDP (802.1AB) Commands” on page 2 - 113
•2.24 “LLDP-MED Commands” on page 2 - 120
•2.25 “Denial of Service Commands” on page 2 - 126
•2.26 “MAC Database Commands” on page 2 - 130
•2.27 “ISDP Commands” on page 2 - 131
•2.28 “Multicast Handling Commands” on page 2 - 136
•2.29 “Port Bridging Commands” on page 2 - 138
Caution! The commands in this chapter are in one of three functional groups:
•Show commands display switch settings, statistics, and other information.
•Configuration commands configure features and options of the switch. For every configuration
command, there is a show command that displays the configuration setting.
•Clear commands clear some or all of the settings to factory defaults.
2.1Port Configuration Commands
This section describes the commands you use to view and configure port settings.
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AT8404Switching Commands
2.1.1interface
This command gives you access to the Interface Config mode, which allows you to enable or modify the operation
of an interface (port).
Formatinterface <slot/port>
ModeGlobal Config
2.1.2auto-negotiate
This command enables automatic negotiation on a port.
Defaultenabled
Formatauto-negotiate
ModeInterface Config
2.1.2.1no auto-negotiate
This command disables automatic negotiation on a port.
Note: Automatic sensing is disabled when automatic negotiation is disabled.
Formatno auto-negotiate
ModeInterface Config
2.1.3auto-negotiate all
This command enables automatic negotiation on all ports.
Defaultenabled
Formatauto-negotiate all
ModeGlobal Config
2.1.3.1no auto-negotiate all
This command disables automatic negotiation on all ports.
Formatno auto-negotiate all
ModeGlobal Config
2.1.4advertise speed
This command sets auto-negotiation advertised speed parameters. If full/half-duplex is not specified the speed is
valid for both modes.
This command lists the auto-negotiation advertised speed parameters. The values are listed for a specified
interface.
Formatshow advertise speed <slot/port>
ModePrivileged Exec
2.1.6block
This command sets a port in blocking mode. A blocking port will not receive or forward data frames. The command
is only allowed if no spanning tree is enabled because the spanning tree is setting the port states itself. If the port is
currently disabled, the state is not changed until it will become enabled. The state of the ports can be listed (spanning
tree) by “
show spanning-tree mst port summary 0 all”
Formatblock
ModeInterface Config
2.1.6.1no block
This command resets a port in non-blocking mode.
Formatno block
ModeInterface Config
2.1.7description
Use this command to create an alpha-numeric description of the port.
Formatdescription <description>
ModeInterface Config
2.1.8mtu
Use the mtu command to set the maximum transmission unit (MTU) size, in bytes, for frames that ingress or egress
the interface. You can use the mtu command to configure jumbo frame support for physical and port-channel (LAG)
interfaces. For the standard FASTPATH implementation, the MTU size is a valid integer between 1522 - 9216 for
tagged packets and a valid integer between 1518 - 9216 for untagged packets.
Note: To receive and process packets, the Ethernet MTU must include any extra bytes that Layer-2
headers might require.
Default1518 (untagged)
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AT8404Switching Commands
Formatmtu <1518-9216>
ModeInterface Config
2.1.8.1no mtu
This command sets the default MTU size (in bytes) for the interface.
Formatno mtu
ModeInterface Config
2.1.9shutdown
This command disables a port.
Note: You can use the shutdown command on physical and port-channel (LAG) interfaces, but not on
VLAN routing interfaces.
Defaultenabled
Formatshutdown
ModeInterface Config
2.1.9.1no shutdown
This command enables a port.
Formatno shutdown
ModeInterface Config
2.1.10shutdown all
This command disables all ports.
Note: You can use the shutdown all command on physical and port-channel (LAG) interfaces, but
not on VLAN routing interfaces.
Defaultenabled
Formatshutdown all
ModeGlobal Config
2.1.10.1no shutdown all
This command enables all ports.
Formatno shutdown all
ModeGlobal Config
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2.1.11speed
This command sets the speed and duplex setting for the interface.
This command sets the speed and duplex setting for all interfaces.
Formatspeed all {<100 | 10> <half-duplex | full-duplex>}
ModeGlobal Config
Acceptable Values Definition
100h100BASE-T half duplex
100f100BASE-T full duplex
10h10BASE-T half duplex
10f10BASE-T full duplex
2.1.13show port
This command displays port information.
Formatshow port {<slot/port> | all}
ModePrivileged EXEC
TermDefinition
InterfaceValid slot and port number separated by a forward slash.
TypeIf not blank, this field indicates that this port is a special type of port. The possible values are:
• Mirror - this port is a monitoring port. For more information, see 2.14 “Port Mirroring” on
page 2 - 75.
•PC Mbr- this port is a member of a port-channel (LAG).
•Probe - this port is a probe port.
Admin ModeThe Port control administration state. The port must be enabled in order for it to be allowed
into the network. - May be enabled or disabled. The factory default is enabled.
Physical ModeThe desired port speed and duplex mode. If auto-negotiation support is selected, then the
duplex mode and speed is set from the auto-negotiation process. Note that the maximum
capability of the port (full duplex -100M) is advertised. Otherwise, this object determines the
port's duplex mode and transmission rate. The factory default is Auto.
Physical StatusThe port speed and duplex mode.
Link StatusThe Link is up or down.
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AT8404Switching Commands
TermDefinition
Link TrapThis object determines whether or not to send a trap when link status changes. The factory
LACP ModeLACP is enabled or disabled on this port.
2.1.14show port protocol
This command displays the Protocol-Based VLAN information for either the entire system, or for the indicated group.
Formatshow port protocol {<groupid> | all}
ModePrivileged EXEC
TermDefinition
Group NameThe group name of an entry in the Protocol-based VLAN table.
Group IDThe group identifier of the protocol group.
Protocol(s)The type of protocol(s) for this group.
VLANThe VLAN associated with this Protocol Group.
Interface(s)Lists the slot/port interface(s) that are associated with this Protocol Group.
default is enabled.
2.2Spanning Tree Protocol (STP) Commands
This section describes the commands you use to configure Spanning Tree Protocol (STP). STP helps prevent
network loops, duplicate messages, and network instability.
Note: STP is disabled by default. When you enable STP on the switch, STP is still disabled on each port.
Note: If STP is disabled, the system does not forward BPDU messages.
2.2.1spanning-tree
This command sets the spanning-tree operational mode to enabled.
Defaultdisabled
Formatspanning-tree
ModeGlobal Config
2.2.1.1no spanning-tree
This command sets the spanning-tree operational mode to disabled. While disabled, the spanning-tree configuration
is retained and can be changed, but is not activated.
Formatno spanning-tree
ModeGlobal Config
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2.2.2spanning-tree bpdufilter
Use this command to enable BPDU Filter on the interface.
Defaultdisabled
Formatspanning-tree bpdufilter
ModeInterface Config
2.2.2.1no spanning-tree bpdufilter
Use this command to disable BPDU Filter on the interface.
Defaultdisabled
Formatno spanning-tree bpdufilter
ModeInterface Config
2.2.3spanning-tree bpdufilter default
Use this command to enable BPDU Filter on all the edge port interfaces.
Defaultdisabled
Formatspanning-tree bpdufilter
ModeGlobal Config
2.2.3.1no spanning-tree bpdufilter default
Use this command to disable BPDU Filter on all the edge port interfaces.
Defaultdisabled
Formatno spanning-tree bpdufilter default
ModeGlobal Config
2.2.4spanning-tree bpduflood
Use this command to enable BPDU Flood on the interface.
Defaultdisabled
Formatspanning-tree bpduflood
ModeInterface Config
2.2.4.1no spanning-tree bpduflood
Use this command to disable BPDU Flood on the interface.
Defaultdisabled
Formatno spanning-tree bpduflood
ModeInterface Config
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AT8404Switching Commands
2.2.5spanning-tree bpduguard
Use this command to enable BPDU Guard on the switch.
Defaultdisabled
Formatspanning-tree bpduguard
ModeGlobal Config
2.2.5.1no spanning-tree bpduguard
Use this command to disable BPDU Guard on the switch.
Defaultdisabled
Formatno spanning-tree bpduguard
ModeGlobal Config
2.2.6spanning-tree bpdumigrationcheck
Use this command to force a transmission of rapid spanning tree (RSTP) and multiple spanning tree (MSTP)
BPDUs. Use the <slot/port> parameter to transmit a BPDU from a specified interface, or use the all keyword
to transmit BPDUs from all interfaces. This command forces the BPDU transmission when you execute it, so the
command does not change the system configuration or have a “no” version.
This command sets the Configuration Identifier Name for use in identifying the configuration that this switch is
currently using. The <name> is a string of up to 32 characters.
Defaultbase MAC address in hexadecimal notation
Formatspanning-tree configuration name
ModeGlobal Config
<name>
2.2.7.1no spanning-tree configuration name
This command resets the Configuration Identifier Name to its default.
Formatno spanning-tree configuration name
ModeGlobal Config
2.2.8spanning-tree configuration revision
This command sets the Configuration Identifier Revision Level for use in identifying the configuration that this switch
is currently using. The Configuration Identifier Revision Level is a number in the range of 0 to 65535.
Default0
Formatspanning-tree configuration revision
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<0-65535>
Switching CommandsAT8404
ModeGlobal Config
2.2.8.1no spanning-tree configuration revision
This command sets the Configuration Identifier Revision Level for use in identifying the configuration that this switch
is currently using to the default value.
Formatno spanning-tree configuration revision
ModeGlobal Config
2.2.9spanning-tree edgeport
This command specifies that this port is an Edge Port within the common and internal spanning tree. This allows
this port to transition to Forwarding State without delay.
Formatspanning-tree edgeport
ModeInterface Config
2.2.9.1no spanning-tree edgeport
This command specifies that this port is not an Edge Port within the common and internal spanning tree.
Formatno spanning-tree edgeport
ModeInterface Config
2.2.10spanning-tree forceversion
This command sets the Force Protocol Version parameter to a new value.
•Use 802.1d to specify that the switch transmits ST BPDUs rather than MST BPDUs (IEEE 802.1d functionality
supported).
•Use 802.1s to specify that the switch transmits MST BPDUs (IEEE 802.1s functionality supported).
•Use 802.1w to specify that the switch transmits RST BPDUs rather than MST BPDUs (IEEE 802.1w
functionality supported).
2.2.10.1no spanning-tree forceversion
This command sets the Force Protocol Version parameter to the default value.
Formatno spanning-tree forceversion
ModeGlobal Config
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AT8404Switching Commands
2.2.11spanning-tree forward-time
This command sets the Bridge Forward Delay parameter to a new value for the common and internal spanning tree.
The forward-time value is in seconds within a range of 4 to 30, with the value being greater than or equal to “(Bridge
Max Age / 2) + 1”.
Default15
Formatspanning-tree forward-time
ModeGlobal Config
2.2.11.1no spanning-tree forward-time
This command sets the Bridge Forward Delay parameter for the common and internal spanning tree to the default
value.
Formatno spanning-tree forward-time
ModeGlobal Config
<4-30>
2.2.12spanning-tree hello-time
This command sets the Admin Hello Time parameter to a new value for the common and internal spanning tree. The
hello time <value> is in whole seconds within a range of 1 to 10, with the value being less than or equal to (BridgeMax Age / 2) - 1.
Default2
Formatspanning-tree hello-time <1-10>
ModeInterface Config
2.2.12.1no spanning-tree hello-time
This command sets the admin Hello Time parameter for the common and internal spanning tree to the default value.
Formatno spanning-tree hello-time
ModeInterface Config
2.2.13spanning-tree max-age
This command sets the Bridge Max Age parameter to a new value for the common and internal spanning tree. The
max-age value is in seconds within a range of 6 to 40, with the value being less than or equal to 2 x (Bridge ForwardDelay - 1).
Default20
Formatspanning-tree max-age
ModeGlobal Config
<6-40>
2.2.13.1no spanning-tree max-age
This command sets the Bridge Max Age parameter for the common and internal spanning tree to the default value.
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Formatno spanning-tree max-age
ModeGlobal Config
2.2.14spanning-tree max-hops
This command sets the MSTP Max Hops parameter to a new value for the common and internal spanning tree. The
max-hops value is a range from 1 to 127.
Default20
Formatspanning-tree max-hops <1-127>
ModeGlobal Config
2.2.14.1no spanning-tree max-hops
This command sets the Bridge Max Hops parameter for the common and internal spanning tree to the default value.
Formatno spanning-tree max-hops
ModeGlobal Config
2.2.15spanning-tree mst
This command sets the Path Cost or Port Priority for this port within the multiple spanning tree instance or in the
common and internal spanning tree. If you specify an <mstid> parameter that corresponds to an existing multiple
spanning tree instance, the configurations are done for that multiple spanning tree instance. If you specify 0 (defined
as the default CIST ID) as the <mstid>, the configurations are done for the common and internal spanning tree
instance.
If you specify the cost option, the command sets the path cost for this port within a multiple spanning tree instance
or the common and internal spanning tree instance, depending on the <mstid> parameter. You can set the path
cost as a number in the range of 1 to 200000000 or auto. If you select auto the path cost value is set based on Link
Speed.
If you specify the external-cost option, this command sets the external-path cost for MST instance ‘0’ i.e. CIST
instance. You can set the external cost as a number in the range of 1 to 200000000 or auto. If you specify auto, the
external path cost value is set based on Link Speed.
If you specify the port-priority option, this command sets the priority for this port within a specific multiple spanning
tree instance or the common and internal spanning tree instance, depending on the <mstid> parameter. The portpriority value is a number in the range of 0 to 240 in increments of 16.
This command sets the Path Cost or Port Priority for this port within the multiple spanning tree instance, or in the
common and internal spanning tree to the respective default values. If you specify an <mstid> parameter that
corresponds to an existing multiple spanning tree instance, you are configuring that multiple spanning tree instance.
If you specify 0 (defined as the default CIST ID) as the <mstid>, you are configuring the common and internal
spanning tree instance.
If the you specify cost, this command sets the path cost for this port within a multiple spanning tree instance or the
common and internal spanning tree instance, depending on the <mstid> parameter, to the default value, i.e. a path
cost value based on the Link Speed.
If you specify external-cost, this command sets the external path cost for this port for mst ‘0’ instance, to the default
value, i.e. a path cost value based on the Link Speed.
If you specify port-priority, this command sets the priority for this port within a specific multiple spanning tree
instance or the common and internal spanning tree instance, depending on the <mstid> parameter, to the default
value.
This command adds a multiple spanning tree instance to the switch. The parameter <mstid> is a number within a
range of 1 to 4094, that corresponds to the new instance ID to be added. The maximum number of multiple instances
supported by the switch is 4.
Defaultnone
Formatspanning-tree mst instance <mstid>
ModeGlobal Config
2.2.16.1no spanning-tree mst instance
This command removes a multiple spanning tree instance from the switch and reallocates all VLANs allocated to
the deleted instance to the common and internal spanning tree. The parameter <mstid> is a number that
corresponds to the desired existing multiple spanning tree instance to be removed.
Formatno spanning-tree mst instance <mstid>
ModeGlobal Config
2.2.17spanning-tree mst priority
This command sets the bridge priority for a specific multiple spanning tree instance. The parameter <mstid> is a
number that corresponds to the desired existing multiple spanning tree instance. The priority value is a number
within a range of 0 to 61440 in increments of 4096.
If you specify 0 (defined as the default CIST ID) as the <mstid>, this command sets the Bridge Priority parameter
to a new value for the common and internal spanning tree. The bridge priority value is a number within a range of 0
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to 61440. The twelve least significant bits are masked according to the 802.1s specification. This causes the priority
to be rounded down to the next lower valid priority.
Default32768
Formatspanning-tree mst priority
ModeGlobal Config
2.2.17.1no spanning-tree mst priority
This command sets the bridge priority for a specific multiple spanning tree instance to the default value. The
parameter <mstid> is a number that corresponds to the desired existing multiple spanning tree instance.
If 0 (defined as the default CIST ID) is passed as the <mstid>, this command sets the Bridge Priority parameter for
the common and internal spanning tree to the default value.
<mstid> <0-61440>
Formatno spanning-tree mst priority
ModeGlobal Config
<mstid>
2.2.18spanning-tree mst vlan
This command adds an association between a multiple spanning tree instance and one or more VLANs so that the
VLAN(s) are no longer associated with the common and internal spanning tree. The parameter <mstid> is a
number that corresponds to the desired existing multiple spanning tree instance. The vlan range can be specified
as a list or as a range of values. To specify a list of VLANs, enter a list of VLAN IDs, each separated by a comma
with no spaces in between. To specify a range of VLANs, separate the beginning and ending VLAN ID with a dash
("-").
Formatspanning-tree mst vlan <mstid> <vlanid>
ModeGlobal Config
2.2.18.1no spanning-tree mst vlan
This command removes an association between a multiple spanning tree instance and one or more VLANs so that
the VLAN(s) are again associated with the common and internal spanning tree.
Formatno spanning-tree mst vlan <mstid> <vlanid>
ModeGlobal Config
2.2.19spanning-tree port mode
This command sets the Administrative Switch Port State for this port to enabled.
Defaultdisabled
Formatspanning-tree port mode
ModeInterface Config
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AT8404Switching Commands
2.2.19.1no spanning-tree port mode
This command sets the Administrative Switch Port State for this port to disabled.
Formatno spanning-tree port mode
ModeInterface Config
2.2.20spanning-tree port mode all
This command sets the Administrative Switch Port State for all ports to enabled.
Defaultdisabled
Formatspanning-tree port mode all
ModeGlobal Config
2.2.20.1no spanning-tree port mode all
This command sets the Administrative Switch Port State for all ports to disabled.
Formatno spanning-tree port mode all
ModeGlobal Config
2.2.21spanning-tree port-state
This command sets the state of a port used by a MST instance. The command sets the spanning tree state (forward/
block) of a port for incoming (ingress) or outgoing (egress) traffic or both for an existing MST instance (1..4094).
Default state is forwarding. The state of the port can be seen only via “show running-config”. If the state is blocked,
the command is displayed (otherwise not).
Use this command to enable root BPDU Guard on the interface.
Defaultdisabled
Formatspanning-tree rootguard
ModeInterface Config
2.2.22.1no spanning-tree rootguard
Use this command to disable root BPDU Guard on the interface.
Formatno spanning-tree rootguard
ModeInterface Config
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2.2.23show spanning-tree
This command displays spanning tree settings for the common and internal spanning tree. The following details are
displayed.
Formatshow spanning-tree
Mode• Privileged EXEC
• User EXEC
TermDefinition
Bridge PrioritySpecifies the bridge priority for the Common and Internal Spanning tree (CST). The value lies
between 0 and 61440. It is displayed in multiples of 4096.
Bridge IdentifierThe bridge identifier for the CST. It is made up using the bridge priority and the base MAC
address of the bridge.
Time Since
Topology Change
Topology Change
Count
Topology Change Boolean value of the Topology Change parameter for the switch indicating if a topology
Designated RootThe bridge identifier of the root bridge. It is made up from the bridge priority and the base MAC
Root Path CostValue of the Root Path Cost parameter for the common and internal spanning tree.
Root Port Identifier Identifier of the port to access the Designated Root for the CST
Root Port Max Age Derived value.
Root Port Bridge
Forward Delay
Hello TimeConfigured value of the parameter for the CST.
Bridge Hold Time Minimum time between transmission of Configuration Bridge Protocol Data Units (BPDUs).
Bridge Max HopsBridge max-hops count for the device.
CST Regional Root Bridge Identifier of the CST Regional Root. It is made up using the bridge priority and the base
Regional Root
Path Cost
Associated FIDsList of forwarding database identifiers currently associated with this instance.
Associated VLANs List of VLAN IDs currently associated with this instance.
Time in seconds.
Number of times changed.
change is in progress on any port assigned to the common and internal spanning tree.
address of the bridge.
Derived value
MAC address of the bridge.
Path Cost to the CST Regional Root.
2.2.24show spanning-tree brief
This command displays spanning tree settings for the bridge. The following information appears.
Formatshow spanning-tree brief
Mode• Privileged EXEC
• User EXEC
TermDefinition
Bridge PriorityConfigured value.
Bridge IdentifierThe bridge identifier for the selected MST instance. It is made up using the bridge priority and
AT8404 CLI Reference ManualPage 2 - 16
the base MAC address of the bridge.
AT8404Switching Commands
TermDefinition
Bridge Max AgeConfigured value.
Bridge Max HopsBridge max-hops count for the device.
Bridge Hello Time Configured value.
Bridge Forward
Delay
Bridge Hold Time Minimum time between transmission of Configuration Bridge Protocol Data Units (BPDUs).
2.2.25show spanning-tree interface
This command displays the settings and parameters for a specific switch port within the common and internal
spanning tree. The <slot/port> is the desired switch port. The following details are displayed on execution of the
command.
Configured value.
Formatshow spanning-tree interface
Mode• Privileged EXEC
• User EXEC
TermDefinition
Hello TimeAdmin hello time for this port.
Port ModeEnabled or disabled.
BPDU FilterEnabled or disabled.
BPDU FloodEnabled or disabled.
BPDU GuardEnabled or disabled.
Root GuardEnabled or disabled.
Port Up Time Since
Counters Last
Cleared
STP BPDUs
Transmitted
STP BPDUs
Received
RST BPDUs
Transmitted
RST BPDUs
Received
MSTP BPDUs
Transmitted
MSTP BPDUs
Received
Time since port was reset, displayed in days, hours, minutes, and seconds.
Spanning Tree Protocol Bridge Protocol Data Units sent.
Spanning Tree Protocol Bridge Protocol Data Units received.
Rapid Spanning Tree Protocol Bridge Protocol Data Units sent.
Rapid Spanning Tree Protocol Bridge Protocol Data Units received.
Multiple Spanning Tree Protocol Bridge Protocol Data Units sent.
Multiple Spanning Tree Protocol Bridge Protocol Data Units received.
<slot/port>
2.2.26show spanning-tree mst port detailed
This command displays the detailed settings and parameters for a specific switch port within a particular multiple
spanning tree instance. The parameter <mstid> is a number that corresponds to the desired existing multiple
spanning tree instance. The <slot/port> is the desired switch port.
Formatshow spanning-tree mst port detailed <mstid> <slot/port>
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Mode• Privileged EXEC
• User EXEC
TermDefinition
MST Instance IDThe ID of the existing MST instance.
Port IdentifierThe port identifier for the specified port within the selected MST instance. It is made up from
the port priority and the interface number of the port.
Port PriorityThe priority for a particular port within the selected MST instance. The port priority is displayed
in multiples of 16.
Port Forwarding
State
Port RoleEach enabled MST Bridge Port receives a Port Role for each spanning tree. The port role is
Auto-Calculate
Port Path Cost
Port Path CostConfigured value of the Internal Port Path Cost parameter.
Auto-Calculate
External Port Path
Cost
External Port Path
Cost
Designated RootThe Identifier of the designated root for this port.
Designated Port
Cost
Designated Bridge Bridge Identifier of the bridge with the Designated Port.
Designated Port
Identifier
Current spanning tree state of this port.
one of the following values: Root Port, Designated Port, Alternate Port, Backup Port, Master
Port or Disabled Port
Indicates whether auto calculation for port path cost is enabled.
Indicates whether auto calculation for external port path cost is enabled.
Configured value of the external Port Path Cost parameter.
Path Cost offered to the LAN by the Designated Port.
Port on the Designated Bridge that offers the lowest cost to the LAN.
If you specify 0 (defined as the default CIST ID) as the <mstid>, this command displays the settings and
parameters for a specific switch port within the common and internal spanning tree. The <slot/port> is the
desired switch port. In this case, the following are displayed.
TermDefinition
Port IdentifierThe port identifier for this port within the CST.
Port PriorityThe priority of the port within the CST.
Port Forwarding
State
Port RoleThe role of the specified interface within the CST.
Port Path CostThe configured path cost for the specified interface.
Designated RootIdentifier of the designated root for this port within the CST.
Designated Port
Cost
Designated Bridge The bridge containing the designated port.
Designated Port
Identifier
Topology Change
Acknowledgement
Hello TimeThe hello time in use for this port.
Edge PortThe configured value indicating if this port is an edge port.
The forwarding state of the port within the CST.
Path Cost offered to the LAN by the Designated Port.
Port on the Designated Bridge that offers the lowest cost to the LAN.
Value of flag in next Configuration Bridge Protocol Data Unit (BPDU) transmission indicating
if a topology change is in progress for this port.
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AT8404Switching Commands
TermDefinition
Edge Port StatusThe derived value of the edge port status. True if operating as an edge port; false otherwise.
Point To Point
MAC Status
CST Regional Root The regional root identifier in use for this port.
CST Port CostThe configured path cost for this port.
2.2.27show spanning-tree mst port summary
This command displays the settings of one or all ports within the specified multiple spanning tree instance. The
parameter <mstid> indicates a particular MST instance. The parameter {<slot/port> | all} indicates the
desired switch port or all ports.
If you specify 0 (defined as the default CIST ID) as the <mstid>, the status summary displays for one or all ports
within the common and internal spanning tree.
Derived value indicating if this port is part of a point to point link.
Formatshow spanning-tree mst port summary
Mode• Privileged EXEC
• User EXEC
TermDefinition
MST Instance IDThe MST instance associated with this port.
InterfaceValid slot and port number separated by a forward slash.
STP ModeIndicates whether spanning tree is enabled or disabled on the port.
TypeCurrently not used.
STP StateThe forwarding state of the port in the specified spanning tree instance.
Port RoleThe role of the specified port within the spanning tree.
DescIndicates whether the port is in loop inconsistent state or not. This field is blank if the loop
guard feature is not available.
<mstid> {<slot/port> | all}
2.2.28show spanning-tree mst summary
This command displays summary information about all multiple spanning tree instances in the switch. On execution,
the following details are displayed.
Formatshow spanning-tree mst summary
Mode• Privileged EXEC
• User EXEC
TermDefinition
MST Instance ID
List
For each MSTID:
• Associated FIDs
• Associated
VLANs
List of multiple spanning trees IDs currently configured.
• List of forwarding database identifiers associated with this instance.
• List of VLAN IDs associated with this instance.
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2.2.29show spanning-tree summary
This command displays spanning tree settings and parameters for the switch. The following details are displayed
on execution of the command.
Formatshow spanning-tree summary
Mode• Privileged EXEC
• User EXEC
TermDefinition
Spanning Tree
Adminmode
Spanning Tree
Version
BPDU Guard Mode Enabled or disabled.
BPDU Filter Mode Enabled or disabled.
Configuration
Name
Configuration
Revision Level
Configuration
Digest Key
MST InstancesList of all multiple spanning tree instances configured on the switch.
Enabled or disabled.
Version of 802.1 currently supported (IEEE 802.1s, IEEE 802.1w, or IEEE 802.1d) based
upon the Force Protocol Version parameter.
Identifier used to identify the configuration currently being used.
Identifier used to identify the configuration currently being used.
Identifier used to identify the configuration currently being used.
2.2.30show spanning-tree vlan
This command displays the association between a VLAN and a multiple spanning tree instance. The <vlanid>
corresponds to an existing VLAN ID.
Formatshow spanning-tree vlan <vlanid>
Mode• Privileged EXEC
• User EXEC
TermDefinition
VLAN IdentifierThe VLANs associated with the selected MST instance.
Associated
Instance
Identifier for the associated multiple spanning tree instance or “CST” if associated with the
common and internal spanning tree.
2.3VLAN Commands
This section describes the commands you use to configure VLAN settings.
2.3.1vlan database
This command gives you access to the VLAN Config mode, which allows you to configure VLAN characteristics.
Formatvlan database
ModePrivileged EXEC
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AT8404Switching Commands
2.3.2network mgmt_vlan
This command configures the Management VLAN ID.
Default1
Formatnetwork mgmt_vlan <1-4069>
ModePrivileged EXEC
2.3.2.1no network mgmt_vlan
This command sets the Management VLAN ID to the default.
Formatno network mgmt_vlan
ModePrivileged EXEC
2.3.3vlan
This command creates a new VLAN and assigns it an ID. The ID is a valid VLAN identification number (ID 1 is
reserved for the default VLAN). VLAN range is 2-4094.
Formatvlan <2-4094>
ModeVLAN Config
2.3.3.1no vlan
This command deletes an existing VLAN. The ID is a valid VLAN identification number (ID 1 is reserved for the
default VLAN). The VLAN range is 2-4094.
Formatno vlan <2-4094>
ModeVLAN Config
2.3.4vlan acceptframe
This command sets the frame acceptance mode per interface. For VLAN Only mode, untagged frames or priority
frames received on this interface are discarded. For Admit All mode, untagged frames or priority frames received on
this interface are accepted and assigned the value of the interface VLAN ID for this port. With either option, VLAN
tagged frames are forwarded in accordance with the IEEE 802.1Q VLAN Specification.
Defaultall
Formatvlan acceptframe {vlanonly | all}
ModeInterface Config
2.3.4.1no vlan acceptframe
This command resets the frame acceptance mode for the interface to the default value.
Formatno vlan acceptframe
ModeInterface Config
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2.3.5vlan ingressfilter
This command enables ingress filtering. If ingress filtering is disabled, frames received with VLAN IDs that do not
match the VLAN membership of the receiving interface are admitted and forwarded to ports that are members of
that VLAN.
Defaultdisabled
Formatvlan ingressfilter
ModeInterface Config
2.3.5.1no vlan ingressfilter
This command disables ingress filtering. If ingress filtering is disabled, frames received with VLAN IDs that do not
match the VLAN membership of the receiving interface are admitted and forwarded to ports that are members of
that VLAN.
Formatno vlan ingressfilter
ModeInterface Config
2.3.6vlan makestatic
This command changes a dynamically created VLAN (one that is created by GVRP registration) to a static VLAN
(one that is permanently configured and defined). The ID is a valid VLAN identification number. VLAN range is 2-
4094.
Formatvlan makestatic <2-4094>
ModeVLAN Config
2.3.7vlan name
This command changes the name of a VLAN. The name is an alphanumeric string of up to 32 characters, and the
ID is a valid VLAN identification number. ID range is 1-4094.
Default• VLAN ID 1 - default
• other VLANS - blank string
Formatvlan name <2-4094> <name>
ModeVLAN Config
2.3.7.1no vlan name
This command sets the name of a VLAN to a blank string.
Formatno vlan name <2-4094>
ModeVLAN Config
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2.3.8vlan participation
This command configures the degree of participation for a specific interface in a VLAN. The ID is a valid VLAN
identification number, and the interface is a valid interface number.
Formatvlan participation {exclude | include | auto} <1-4094>
ModeInterface Config
Participation options are:
Participation
Options
includeThe interface is always a member of this VLAN. This is equivalent to registration fixed.
excludeThe interface is never a member of this VLAN. This is equivalent to registration forbidden.
autoThe interface is dynamically registered in this VLAN by GVRP. The interface will not
Definition
participate in this VLAN unless a join request is received on this interface. This is equivalent
to registration normal.
2.3.9vlan participation all
This command configures the degree of participation for all interfaces in a VLAN. The ID is a valid VLAN
identification number.
Formatvlan participation all {exclude | include | auto} <1-4094>
ModeGlobal Config
You can use the following participation options:
Participation
Options
includeThe interface is always a member of this VLAN. This is equivalent to registration fixed.
excludeThe interface is never a member of this VLAN. This is equivalent to registration forbidden.
autoThe interface is dynamically registered in this VLAN by GVRP. The interface will not
Definition
participate in this VLAN unless a join request is received on this interface. This is equivalent
to registration normal.
2.3.10vlan port acceptframe all
This command sets the frame acceptance mode for all interfaces.
Defaultall
Formatvlan port acceptframe all {vlanonly | all}
ModeGlobal Config
The modes defined as follows:
ModeDefinition
VLAN Only modeUntagged frames or priority frames received on this interface are discarded.
Admit All modeUntagged frames or priority frames received on this interface are accepted and assigned the
value of the interface VLAN ID for this port.
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With either option, VLAN tagged frames are forwarded in accordance with the IEEE 802.1Q VLAN Specification.
2.3.10.1no vlan port acceptframe all
This command sets the frame acceptance mode for all interfaces to Admit All. For Admit All mode, untagged frames
or priority frames received on this interface are accepted and assigned the value of the interface VLAN ID for this
port. With either option, VLAN tagged frames are forwarded in accordance with the IEEE 802.1Q VLAN
Specification.
Formatno vlan port acceptframe all
ModeGlobal Config
2.3.11vlan port ingressfilter all
This command enables ingress filtering for all ports. If ingress filtering is disabled, frames received with VLAN IDs
that do not match the VLAN membership of the receiving interface are admitted and forwarded to ports that are
members of that VLAN.
Defaultdisabled
Formatvlan port ingressfilter all
ModeGlobal Config
2.3.11.1no vlan port ingressfilter all
This command disables ingress filtering for all ports. If ingress filtering is disabled, frames received with VLAN IDs
that do not match the VLAN membership of the receiving interface are admitted and forwarded to ports that are
members of that VLAN.
Formatno vlan port ingressfilter all
ModeGlobal Config
2.3.12vlan port pvid all
This command changes the VLAN ID for all interface.
Default1
Formatvlan port pvid all <1-4094>
ModeGlobal Config
2.3.12.1no vlan port pvid all
This command sets the VLAN ID for all interfaces to 1.
Formatno vlan port pvid all
ModeGlobal Config
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2.3.13vlan port tagging all
This command configures the tagging behavior for all interfaces in a VLAN to enabled. If tagging is enabled, traffic
is transmitted as tagged frames. If tagging is disabled, traffic is transmitted as untagged frames. The ID is a valid
VLAN identification number.
Formatvlan port tagging all <1-4094>
ModeGlobal Config
2.3.13.1no vlan port tagging all
This command configures the tagging behavior for all interfaces in a VLAN to disabled. If tagging is disabled, traffic
is transmitted as untagged frames. The ID is a valid VLAN identification number.
Formatno vlan port tagging all
ModeGlobal Config
2.3.14vlan protocol group
This command adds protocol-based VLAN groups to the system. The <groupName> is a character string of 1 to 16
characters. When it is created, the protocol group will be assigned a unique number that will be used to identify the
group in subsequent commands.
Formatvlan protocol group <groupname>
ModeGlobal Config
2.3.15vlan protocol group add protocol
This command adds the <protocol> to the protocol-based VLAN identified by <groupid>. A group may have
more than one protocol associated with it. Each interface and protocol combination can only be associated with one
group. If adding a protocol to a group causes any conflicts with interfaces currently associated with the group, this
command fails and the protocol is not added to the group. The possible values for protocol are ip, arp, and ipx.
Formatvlan protocol group add protocol <groupid> <protocol>
ModeGlobal Config
2.3.15.1no vlan protocol group add protocol
This command removes the <protocol> from this protocol-based VLAN group that is identified by this
<groupid>. The possible values for protocol are ip, arp, and ipx.
Formatno vlan protocol group add protocol <groupid> <protocol>
ModeGlobal Config
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2.3.16vlan protocol group remove
This command removes the protocol-based VLAN group that is identified by this <groupid>.
Formatvlan protocol group remove <groupid>
ModeGlobal Config
2.3.17protocol group
This command attaches a <vlanid> to the protocol-based VLAN identified by <groupid>. A group may only be
associated with one VLAN at a time, however the VLAN association can be changed.
Defaultnone
Formatprotocol group <groupid> <vlanid>
ModeVLAN Config
2.3.17.1no protocol group
This command removes the <vlanid> from this protocol-based VLAN group that is identified by this <groupid>.
Formatno protocol group <groupid> <vlanid>
ModeVLAN Config
2.3.18protocol vlan group
This command adds the physical interface to the protocol-based VLAN identified by <groupid>. You can associate
multiple interfaces with a group, but you can only associate each interface and protocol combination with one group.
If adding an interface to a group causes any conflicts with protocols currently associated with the group, this
command fails and the interface(s) are not added to the group.
Defaultnone
Formatprotocol vlan group <groupid>
ModeInterface Config
2.3.18.1no protocol vlan group
This command removes the interface from this protocol-based VLAN group that is identified by this <groupid>.
Formatno protocol vlan group <groupid>
ModeInterface Config
2.3.19protocol vlan group all
This command adds all physical interfaces to the protocol-based VLAN identified by <groupid>. You can associate
multiple interfaces with a group, but you can only associate each interface and protocol combination with one group.
If adding an interface to a group causes any conflicts with protocols currently associated with the group, this
command will fail and the interface(s) will not be added to the group.
Defaultnone
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Formatprotocol vlan group all <groupid>
ModeGlobal Config
2.3.19.1no protocol vlan group all
This command removes all interfaces from this protocol-based VLAN group that is identified by this <groupid>.
Formatno protocol vlan group all <groupid>
ModeGlobal Config
2.3.20vlan pvid
This command changes the VLAN ID per interface.
Default1
Formatvlan pvid <1-4094>
ModeInterface Config
2.3.20.1no vlan pvid
This command sets the VLAN ID per interface to 1.
Formatno vlan pvid
ModeInterface Config
2.3.21vlan tagging
This command configures the tagging behavior for a specific interface in a VLAN to enabled. If tagging is enabled,
traffic is transmitted as tagged frames. If tagging is disabled, traffic is transmitted as untagged frames. The ID is a
valid VLAN identification number.
Formatvlan tagging <1-4094>
ModeInterface Config
2.3.21.1no vlan tagging
This command configures the tagging behavior for a specific interface in a VLAN to disabled. If tagging is disabled,
traffic is transmitted as untagged frames. The ID is a valid VLAN identification number.
Formatno vlan tagging <1-4094>
ModeInterface Config
2.3.22vlan association subnet
This command associates a VLAN to a specific IP-subnet.
Formatvlan association subnet <ipaddr> <netmask> <vlanid>
ModeVLAN Config
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2.3.22.1no vlan association subnet
This command removes association of a specific IP-subnet to a VLAN.
Formatno vlan association subnet <ipaddr> <netmask>
ModeVLAN Config
2.3.23vlan association mac
This command associates a MAC address to a VLAN.
Formatvlan association mac
ModeVLAN database
<macaddr> <vlanid>
2.3.23.1no vlan association mac
This command removes the association of a MAC address to a VLAN.
Formatno vlan association mac
ModeVLAN database
<macaddr>
2.3.24show vlan
This command displays detailed information, including interface information, for a specific VLAN. The ID is a valid
VLAN identification number.
Formatshow vlan <vlanid>
Mode• Privileged EXEC
• User EXEC
TermDefinition
VLAN IDThere is a VLAN Identifier (VID) associated with each VLAN. The range of the VLAN ID is 1
to 4094.
VLAN NameA string associated with this VLAN as a convenience. It can be up to 32 alphanumeric
characters long, including blanks. The default is blank. VLAN ID 1 always has a name of
“Default.” This field is optional.
VLAN TypeType of VLAN, which can be Default (VLAN ID = 1) or static (one that is configured and
InterfaceValid slot and port number separated by a forward slash. It is possible to set the parameters
CurrentThe degree of participation of this port in this VLAN. The permissible values are:
permanently defined), or Dynamic (one that is created by GVRP registration).
for all ports by using the selectors on the top line.
• Include - This port is always a member of this VLAN. This is equivalent to registration fixed
in the IEEE 802.1Q standard.
•Exclude - This port is never a member of this VLAN. This is equivalent to registration
forbidden in the IEEE 802.1Q standard.
• Autodetect - To allow the port to be dynamically registered in this VLAN via GVRP. The
port will not participate in this VLAN unless a join request is received on this port. This is
equivalent to registration normal in the IEEE 802.1Q standard.
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TermDefinition
ConfiguredThe configured degree of participation of this port in this VLAN. The permissible values are:
• Include - This port is always a member of this VLAN. This is equivalent to registration fixed
in the IEEE 802.1Q standard.
• Exclude - This port is never a member of this VLAN. This is equivalent to registration
forbidden in the IEEE 802.1Q standard.
• Autodetect - To allow the port to be dynamically registered in this VLAN via GVRP. The
port will not participate in this VLAN unless a join request is received on this port. This is
equivalent to registration normal in the IEEE 802.1Q standard.
TaggingThe tagging behavior for this port in this VLAN.
• Tagged - Transmit traffic for this VLAN as tagged frames.
•Untagged - Transmit traffic for this VLAN as untagged frames.
2.3.25show vlan brief
This command displays a list of all configured VLANs.
Formatshow vlan brief
Mode• Privileged EXEC
• User EXEC
TermDefinition
VLAN IDThere is a VLAN Identifier (vlanid) associated with each VLAN. The range of the VLAN ID is
VLAN NameA string associated with this VLAN as a convenience. It can be up to 32 alphanumeric
VLAN TypeType of VLAN, which can be Default (VLAN ID = 1) or static (one that is configured and
1 to 4094.
characters long, including blanks. The default is blank. VLAN ID 1 always has a name of
“Default.” This field is optional.
permanently defined), or a Dynamic (one that is created by GVRP registration).
2.3.26show vlan port
This command displays VLAN port information.
Formatshow vlan port {<slot/port> | all}
Mode• Privileged EXEC
• User EXEC
TermDefinition
InterfaceValid slot and port number separated by a forward slash. It is possible to set the parameters
for all ports by using the selectors on the top line.
Port VLAN IDThe VLAN ID that this port will assign to untagged frames or priority tagged frames received
on this port. The value must be for an existing VLAN. The factory default is 1.
Acceptable Frame
Types
The types of frames that may be received on this port. The options are 'VLAN only' and 'Admit
All'. When set to 'VLAN only', untagged frames or priority tagged frames received on this port
are discarded. When set to 'Admit All', untagged frames or priority tagged frames received on
this port are accepted and assigned the value of the Port VLAN ID for this port. With either
option, VLAN tagged frames are forwarded in accordance to the 802.1Q VLAN specification.
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TermDefinition
Ingress FilteringMay be enabled or disabled. When enabled, the frame is discarded if this port is not a member
GVRPMay be enabled or disabled.
Default PriorityThe 802.1p priority assigned to tagged packets arriving on the port.
2.3.27show vlan association subnet
This command displays the VLAN associated with a specific configured IP-Address and net mask. If no IP address
and net mask are specified, the VLAN associations of all the configured IP-subnets are displayed.
Formatshow vlan association subnet [<ipaddr> <netmask>]
ModePrivileged EXEC
of the VLAN with which this frame is associated. In a tagged frame, the VLAN is identified by
the VLAN ID in the tag. In an untagged frame, the VLAN is the Port VLAN ID specified for the
port that received this frame. When disabled, all frames are forwarded in accordance with the
802.1Q VLAN bridge specification. The factory default is disabled.
TermDefinition
IP AddressThe IP address assigned to each interface.
Net MaskThe subnet mask.
VLAN IDThere is a VLAN Identifier (VID) associated with each VLAN.
2.3.28show vlan association mac
This command displays the VLAN associated with a specific configured MAC address. If no MAC address is
specified, the VLAN associations of all the configured MAC addresses are displayed.
Formatshow vlan association mac [<macaddr>]
ModePrivileged EXEC
TermDefinition
Mac AddressA MAC address for which the switch has forwarding and or filtering information. The format is
6 or 8 two-digit hexadecimal numbers that are separated by colons, for example
01:23:45:67:89:AB. In an IVL system the MAC address will be displayed as 8 bytes.
VLAN IDThere is a VLAN Identifier (VID) associated with each VLAN.
2.4Double VLAN Commands
This section describes the commands you use to configure double VLAN (DVLAN). Double VLAN tagging is a way
to pass VLAN traffic from one customer domain to another through a Metro Core in a simple and cost effective
manner. The additional tag on the traffic helps differentiate between customers in the MAN while preserving the
VLAN identification of the individual customers when they enter their own 802.1Q domain.
2.4.1dvlan-tunnel ethertype
This command configures the ether-type for all interfaces. The ether-type may have the values of 802.1Q, vMAN,
or custom. If the ether-type has a value of custom, the optional value of the custom ether type must be set to a
value from 0 to 65535.
This command is used to enable Double VLAN Tunneling on the specified interface.
Defaultdisabled
Formatmode dot1q-tunnel
ModeInterface Config
2.4.2.1no mode dot1q-tunnel
This command is used to disable Double VLAN Tunneling on the specified interface. By default, Double VLAN
Tunneling is disabled.
Formatno mode dot1q-tunnel
ModeInterface Config
2.4.3mode dvlan-tunnel
Use this command to enable Double VLAN Tunneling on the specified interface.
Note: When you use the mode dvlan-tunnel command on an interface, it becomes a service provider
port. Ports that do not have double VLAN tunneling enabled are customer ports.
Defaultdisabled
Formatmode dvlan-tunnel
ModeInterface Config
2.4.3.1no mode dvlan-tunnel
This command is used to disable Double VLAN Tunneling on the specified interface. By default, Double VLAN
Tunneling is disabled.
Formatno mode dvlan-tunnel
ModeInterface Config
2.4.4show dot1q-tunnel
Use this command without the optional parameters to display all interfaces enabled for Double VLAN Tunneling.
Use the optional parameters to display detailed information about Double VLAN Tunneling for the specified interface
or all interfaces.
InterfaceValid slot and port number separated by a forward slash.
ModeThe administrative mode through which Double VLAN Tunneling can be enabled or disabled.
The default value for this field is disabled.
EtherTypeA 2-byte hex EtherType to be used as the first 16 bits of the DVLAN tunnel. There are three
different EtherType tags. The first is 802.1Q, which represents the commonly used value of
0x8100. The second is vMAN, which represents the commonly used value of 0x88A8. If
EtherType is not one of these two values, then it is a custom tunnel value, representing any
value in the range of 0 to 65535.
2.4.5show dvlan-tunnel
Use this command without the optional parameters to display all interfaces enabled for Double VLAN Tunneling.
Use the optional parameters to display detailed information about Double VLAN Tunneling for the specified interface
or all interfaces.
InterfaceValid slot and port number separated by a forward slash.
ModeThe administrative mode through which Double VLAN Tunneling can be enabled or disabled.
The default value for this field is disabled.
EtherTypeA 2-byte hex EtherType to be used as the first 16 bits of the DVLAN tunnel. There are three
different EtherType tags. The first is 802.1Q, which represents the commonly used value of
0x8100. The second is vMAN, which represents the commonly used value of 0x88A8. If
EtherType is not one of these two values, then it is a custom tunnel value, representing any
value in the range of 0 to 65535.
2.5Voice VLAN Commands
This section describes the commands you use for Voice VLAN. Voice VLAN enables switch ports to carry voice
traffic with defined priority so as to enable separation of voice and data traffic coming onto the port. The benefits of
using Voice VLAN is to ensure that the sound quality of an IP phone could be safeguarded from deteriorating when
the data traffic on the port is high.
Also the inherent isolation provided by VLANs ensures that inter-VLAN traffic is under management control and that
network- attached clients cannot initiate a direct attack on voice components. QoS-based on IEEE 802.1P class of
service (CoS) uses classification and scheduling to sent network traffic from the switch in a predictable manner. The
system uses the source MAC of the traffic traveling through the port to identify the IP phone data flow.
2.5.1voice vlan (Global Config)
Use this command to enable the Voice VLAN capability on the switch.
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Defaultdisabled
Formatvoice vlan
ModeGlobal Config
2.5.1.1no voice vlan (Global Config)
Use this command to disable the Voice VLAN capability on the switch.
Formatno voice vlan
ModeGlobal Config
2.5.2voice vlan (Interface Config)
Use this command to enable the Voice VLAN capability on the interface.
When the interface parameter is not specified, only the global mode of the Voice VLAN is displayed.
TermDefinition
Administrative
Mode
When the interface is specified:
TermDefinition
Voice VLAN Mode The admin mode of the Voice VLAN on the interface.
Voice VLAN IDThe Voice VLAN ID
Voice VLAN
Priority
Voice VLAN
Untagged
Voice VLAN CoS
Override
Voice VLAN Status The operational status of Voice VLAN on the port.
The Global Voice VLAN mode.
.
The do1p priority for the Voice VLAN on the port.
The tagging option for the Voice VLAN traffic.
The Override option for the voice traffic arriving on the port.
2.6Provisioning (IEEE 802.1p) Commands
This section describes the commands you use to configure provisioning, which allows you to prioritize ports.
2.6.1vlan port priority all
This command configures the port priority assigned for untagged packets for all ports presently plugged into the
device. The range for the priority is 0-7. Any subsequent per port configuration will override this configuration setting.
Formatvlan port priority all <priority>
ModeGlobal Config
2.6.2vlan priority
This command configures the default 802.1p port priority assigned for untagged packets for a specific interface. The
range for the priority is 0–7.
Default0
Formatvlan priority <priority>
ModeInterface Config
2.7Protected Ports Commands
This section describes commands you use to configure and view protected ports on a switch. Protected ports do not
forward traffic to each other, even if they are on the same VLAN. However, protected ports can forward traffic to all
unprotected ports in their group. Unprotected ports can forward traffic to both protected and unprotected ports. Ports
are unprotected by default.
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If an interface is configured as a protected port, and you add that interface to a Port Channel or Link Aggregation
Group (LAG), the protected port status becomes operationally disabled on the interface, and the interface follows
the configuration of the LAG port. However, the protected port configuration for the interface remains unchanged.
Once the interface is no longer a member of a LAG, the current configuration for that interface automatically
becomes effective.
2.7.1switchport protected (Global Config)
Use this command to create a protected port group. The <groupid> parameter identifies the set of protected ports.
Use the name <name> pair to assign a name to the protected port group. The name can be up to 32 alphanumeric
characters long, including blanks. The default is blank.
Note: Port protection occurs within a single switch. Protected port configuration does not affect traffic
between ports on two different switches. No traffic forwarding is possible between two protected ports.
Defaultunprotected
Formatswitchport protected <groupid> name <name>
ModeGlobal Config
2.7.1.1no switchport protected (Global Config)
Use this command to remove a protected port group. The groupid parameter identifies the set of protected ports.
Use the name keyword to remove the name from the group.
FormatNO switchport protected <groupid> name
ModeGlobal Config
2.7.2switchport protected (Interface Config)
Use this command to add an interface to a protected port group. The <groupid> parameter identifies the set of
protected ports to which this interface is assigned. You can only configure an interface as protected in one group.
Note: Port protection occurs within a single switch. Protected port configuration does not affect traffic
between ports on two different switches. No traffic forwarding is possible between two protected ports.
Defaultunprotected
Formatswitchport protected <groupid>
ModeInterface Config
2.7.2.1no switchport protected (Interface Config)
Use this command to configure a port as unprotected. The groupid parameter identifies the set of protected ports
to which this interface is assigned.
Formatno switchport protected <groupid>
ModeInterface Config
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2.7.3show switchport protected
This command displays the status of all the interfaces, including protected and unprotected interfaces.
Formatshow switchport protected <groupid>
Mode• Privileged EXEC
• User EXEC
TermDefinition
Group IDThe number that identifies the protected port group.
NameAn optional name of the protected port group. The name can be up to 32 alphanumeric
characters long, including blanks. The default is blank.
List of Physical
Ports
2.7.4show interfaces switchport
List of ports, which are configured as protected for the group identified with <groupid>. If no
port is configured as protected for this group, this field is blank.
This command displays the status of the interface (protected/unprotected) under the groupid.
NameA string associated with this group as a convenience. It can be up to 32 alphanumeric
characters long, including blanks. The default is blank. This field is optional.
ProtectedIndicates whether the interface is protected or not. It shows TRUE or FALSE. If the group is a
multiple groups then it shows TRUE in Group <groupid>.
2.8GARP Commands
This section describes the commands you use to configure Generic Attribute Registration Protocol (GARP) and view
GARP status. The commands in this section affect both GARP VLAN Registration Protocol (GVRP) and Garp
Multicast Registration Protocol (GMRP). GARP is a protocol that allows client stations to register with the switch for
membership in VLANS (by using GVMP) or multicast groups (by using GVMP).
2.8.1set garp timer join
This command sets the GVRP join time for one port (Interface Config mode) or all (Global Config mode) and per
GARP. Join time is the interval between the transmission of GARP Protocol Data Units (PDUs) registering (or reregistering) membership for a VLAN or multicast group. This command has an effect only when GVRP is enabled.
The time is from 10 to 100 (centiseconds). The value 20 centiseconds is 0.2 seconds.
Default20
Formatset garp timer join <10-100>
Mode• Interface Config
• Global Config
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2.8.1.1no set garp timer join
This command sets the GVRP join time (for one or all ports and per GARP) to the default and only has an effect
when GVRP is enabled.
Formatno set garp timer join
Mode• Interface Config
• Global Config
2.8.2set garp timer leave
This command sets the GVRP leave time for one port (Interface Config mode) or all ports (Global Config mode) and
only has an effect when GVRP is enabled. Leave time is the time to wait after receiving an unregister request for a
VLAN or a multicast group before deleting the VLAN entry. This can be considered a buffer time for another station
to assert registration for the same attribute in order to maintain uninterrupted service. The leave time is 20 to 600
(centiseconds). The value 60 centiseconds is 0.6 seconds.
Default60
Formatset garp timer leave <20-600>
Mode• Interface Config
• Global Config
2.8.2.1no set garp timer leave
This command sets the GVRP leave time on all ports or a single port to the default and only has an effect when
GVRP is enabled.
Formatno set garp timer leave
Mode• Interface Config
• Global Config
2.8.3set garp timer leaveall
This command sets how frequently Leave All PDUs are generated. A Leave All PDU indicates that all registrations
will be unregistered. Participants would need to rejoin in order to maintain registration. The value applies per port
and per GARP participation. The time may range from 200 to 6000 (centiseconds). The value 1000 centiseconds is
10 seconds. You can use this command on all ports (Global Config mode) or a single port (Interface Config mode),
and it only has an effect only when GVRP is enabled.
Default1000
Formatset garp timer leaveall <200-6000>
Mode• Interface Config
• Global Config
2.8.3.1no set garp timer leaveall
This command sets how frequently Leave All PDUs are generated the default and only has an effect when GVRP
is enabled.
Formatno set garp timer leaveall
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Mode• Interface Config
• Global Config
2.8.4show garp
This command displays GARP information.
Formatshow garp
Mode• Privileged EXEC
• User EXEC
TermDefinition
GMRP Admin
Mode
GVRP Admin Mode The administrative mode of GARP VLAN Registration Protocol (GVRP) for the system.
The administrative mode of GARP Multicast Registration Protocol (GMRP) for the system.
2.9GVRP Commands
This section describes the commands you use to configure and view GARP VLAN Registration Protocol (GVRP)
information. GVRP-enabled switches exchange VLAN configuration information, which allows GVRP to provide
dynamic VLAN creation on trunk ports and automatic VLAN pruning.
Note: If GVRP is disabled, the system does not forward GVRP messages.
2.9.1set gvrp adminmode
This command enables GVRP on the system.
Defaultdisabled
Formatset gvrp adminmode
ModePrivileged EXEC
2.9.1.1no set gvrp adminmode
This command disables GVRP.
Formatno set gvrp adminmode
ModePrivileged EXEC
2.9.2set gvrp interfacemode
This command enables GVRP on a single port (Interface Config mode) or all ports (Global Config mode).
Defaultdisabled
Formatset gvrp interfacemode
Mode• Interface Config
• Global Config
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2.9.2.1no set gvrp interfacemode
This command disables GVRP on a single port (Interface Config mode) or all ports (Global Config mode). If GVRP
is disabled, Join Time, Leave Time and Leave All Time have no effect.
Formatno set gvrp interfacemode
Mode• Interface Config
• Global Config
2.9.3show gvrp configuration
This command displays Generic Attributes Registration Protocol (GARP) information for one or all interfaces.
Formatshow gvrp configuration {<slot/port> | all}
Mode• Privileged EXEC
• User EXEC
TermDefinition
InterfaceValid slot and port number separated by a forward slash.
Join TimerThe interval between the transmission of GARP PDUs registering (or re-registering)
membership for an attribute. Current attributes are a VLAN or multicast group. There is an
instance of this timer on a per-Port, per-GARP participant basis. Permissible values are 10 to
100 centiseconds (0.1 to 1.0 seconds). The factory default is 20 centiseconds (0.2 seconds).
The finest granularity of specification is one centisecond (0.01 seconds).
Leave TimerThe period of time to wait after receiving an unregister request for an attribute before deleting
the attribute. Current attributes are a VLAN or multicast group. This may be considered a
buffer time for another station to assert registration for the same attribute in order to maintain
uninterrupted service. There is an instance of this timer on a per-Port, per-GARP participant
basis. Permissible values are 20 to 600 centiseconds (0.2 to 6.0 seconds). The factory default
is 60 centiseconds (0.6 seconds).
LeaveAll TimerThis Leave All Time controls how frequently LeaveAll PDUs are generated. A LeaveAll PDU
indicates that all registrations will shortly be deregistered. Participants will need to rejoin in
order to maintain registration. There is an instance of this timer on a per-Port, per-GARP
participant basis. The Leave All Period Timer is set to a random value in the range of
LeaveAllTime to 1.5*LeaveAllTime. Permissible values are 200 to 6000 centiseconds (2 to 60
seconds). The factory default is 1000 centiseconds (10 seconds).
Port GMRP ModeThe GMRP administrative mode for the port, which is enabled or disabled (default). If this
parameter is disabled, Join Time, Leave Time and Leave All Time have no effect.
2.10GMRP Commands
This section describes the commands you use to configure and view GARP Multicast Registration Protocol (GMRP)
information. Like IGMP snooping, GMRP helps control the flooding of multicast packets.GMRP-enabled switches
dynamically register and de-register group membership information with the MAC networking devices attached to
the same segment. GMRP also allows group membership information to propagate across all networking devices
in the bridged LAN that support Extended Filtering Services.
Note: If GMRP is disabled, the system does not forward GMRP messages.
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2.10.1set gmrp adminmode
This command enables GARP Multicast Registration Protocol (GMRP) on the system.
Defaultdisabled
Formatset gmrp adminmode
ModePrivileged EXEC
2.10.1.1no set gmrp adminmode
This command disables GARP Multicast Registration Protocol (GMRP) on the system.
Formatno set gmrp adminmode
ModePrivileged EXEC
2.10.2set gmrp interfacemode
This command enables GARP Multicast Registration Protocol on a single interface (Interface Config mode) or all
interfaces (Global Config mode). If an interface which has GARP enabled is enabled for routing or is enlisted as a
member of a port-channel (LAG), GARP functionality is disabled on that interface. GARP functionality is
subsequently re-enabled if routing is disabled and port-channel (LAG) membership is removed from an interface
that has GARP enabled.
Defaultdisabled
Formatset gmrp interfacemode
Mode• Interface Config
• Global Config
2.10.2.1no set gmrp interfacemode
This command disables GARP Multicast Registration Protocol on a single interface or all interfaces. If an interface
which has GARP enabled is enabled for routing or is enlisted as a member of a port-channel (LAG), GARP
functionality is disabled. GARP functionality is subsequently re-enabled if routing is disabled and port-channel (LAG)
membership is removed from an interface that has GARP enabled.
Formatno set gmrp interfacemode
Mode• Interface Config
• Global Config
2.10.3show gmrp configuration
This command displays Generic Attributes Registration Protocol (GARP) information for one or all interfaces.
Formatshow gmrp configuration {<slot/port> | all}
Mode• Privileged EXEC
• User EXEC
TermDefinition
InterfaceThe slot/port of the interface that this row in the table describes.
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TermDefinition
Join TimerThe interval between the transmission of GARP PDUs registering (or re-registering)
Leave TimerThe period of time to wait after receiving an unregister request for an attribute before deleting
LeaveAll TimerThis Leave All Time controls how frequently LeaveAll PDUs are generated. A LeaveAll PDU
Port GMRP ModeThe GMRP administrative mode for the port. It may be enabled or disabled. If this parameter
membership for an attribute. Current attributes are a VLAN or multicast group. There is an
instance of this timer on a per-port, per-GARP participant basis. Permissible values are 10 to
100 centiseconds (0.1 to 1.0 seconds). The factory default is 20 centiseconds (0.2 seconds).
The finest granularity of specification is 1 centisecond (0.01 seconds).
the attribute. Current attributes are a VLAN or multicast group. This may be considered a
buffer time for another station to assert registration for the same attribute in order to maintain
uninterrupted service. There is an instance of this timer on a per-Port, per-GARP participant
basis. Permissible values are 20 to 600 centiseconds (0.2 to 6.0 seconds). The factory default
is 60 centiseconds (0.6 seconds).
indicates that all registrations will shortly be deregistered. Participants will need to rejoin in
order to maintain registration. There is an instance of this timer on a per-Port, per-GARP
participant basis. The Leave All Period Timer is set to a random value in the range of
LeaveAllTime to 1.5*LeaveAllTime. Permissible values are 200 to 6000 centiseconds (2 to 60
seconds). The factory default is 1000 centiseconds (10 seconds).
is disabled, Join Time, Leave Time and Leave All Time have no effect.
2.10.4show mac-address-table gmrp
This command displays the GMRP entries in the Multicast Forwarding Database (MFDB) table.
Formatshow mac-address-table gmrp
ModePrivileged EXEC
TermDefinition
Mac AddressA unicast MAC address for which the switch has forwarding and or filtering information. The
format is 6 or 8 two-digit hexadecimal numbers that are separated by colons, for example
01:23:45:67:89:AB. In an IVL system the MAC address is displayed as 8 bytes.
TypeThe type of the entry. Static entries are those that are configured by the end user. Dynamic
DescriptionThe text description of this multicast table entry.
InterfacesThe list of interfaces that are designated for forwarding (Fwd:) and filtering (Flt:).
entries are added to the table as a result of a learning process or protocol.
2.11Port-Based Network Access Control Commands
This section describes the commands you use to configure port-based network access control (802.1x). Port-based
network access control allows you to permit access to network services only to and devices that are authorized and
authenticated.
2.11.1authentication login
This command creates an authentication login list. The <listname> is any character string and is not case
sensitive. Up to 10 authentication login lists can be configured on the switch. When a list is created, the
authentication method “local” is set as the first method.
When the optional parameters “Option1”, “Option2” and/or “Option3” are used, an ordered list of methods are set in
the authentication login list. If the authentication login list does not exist, a new authentication login list is first created
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and then the authentication methods are set in the authentication login list. The maximum number of authentication
login methods is three. The possible method values are local, radius and reject.
The value of local indicates that the user’s locally stored ID and password are used for authentication. The value
of radius indicates that the user’s ID and password will be authenticated using the RADIUS server. The value of
reject indicates the user is never authenticated.
To authenticate a user, the first authentication method in the user’s login (authentication login list) is attempted.
FASTPATH software does not utilize multiple entries in the user’s login. If the first entry returns a timeout, the user
authentication attempt fails.
Note: The default login list included with the default configuration can not be changed.
Formatauthentication login
ModeGlobal Config
<listname> [<method1> [<method2> [<method3>]]]
2.11.1.1no authentication login
This command deletes the specified authentication login list. The attempt to delete fails if any of the following
conditions are true:
•The login list name is invalid or does not match an existing authentication login list
•The specified authentication login list is assigned to any user or to the non configured user for any component
•The login list is the default login list included with the default configuration and was not created using
‘authentication login’. The default login list cannot be deleted.
Formatno authentication login <listname>
ModeGlobal Config
2.11.2clear dot1x statistics
This command resets the 802.1x statistics for the specified port or for all ports.
Formatclear dot1x statistics
ModePrivileged EXEC
{<slot/port> | all}
2.11.3clear radius statistics
This command is used to clear all RADIUS statistics.
Formatclear radius statistics
ModePrivileged EXEC
2.11.4dot1x default-login
This command assigns the authentication login list to use for non-configured users for 802.1x port security. This
setting is over-ridden by the authentication login list assigned to a specific user if the user is configured locally. If this
value is not configured, users will be authenticated using local authentication only.
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Formatdot1x default-login <listname>
ModeGlobal Config
2.11.5dot1x guest-vlan
This command configures VLAN as guest vlan on a per port basis. The command specifies an active VLAN as an
IEEE 802.1x guest VLAN. The range is 1 to the maximumVLAN ID supported by the platform.
Defaultdisabled
Formatdot1x guest-vlan <vlan-id>
ModeInterface Config
2.11.5.1no dot1x guest-vlan
This command disables Guest VLAN on the interface.
Defaultdisabled
Formatno dot1x guest-vlan
ModeInterface Config
2.11.6dot1x initialize
This command begins the initialization sequence on the specified port. This command is only valid if the control
mode for the specified port is 'auto'. If the control mode is not 'auto' or an error will be returned.
Formatdot1x initialize
ModePrivileged EXEC
<slot/port>
2.11.7dot1x login
This command assigns the specified authentication login list to the specified user for 802.1x port security. The
<user> parameter must be a configured user and the <listname> parameter must be a configured authentication
login list.
Formatdot1x login <user> <listname>
ModeGlobal Config
2.11.8dot1x max-req
This command sets the maximum number of times the authenticator state machine on this port will transmit an
EAPOL EAP Request/Identity frame before timing out the supplicant. The <count> value must be in the range 1 -
10.
Default2
Formatdot1x max-req
ModeInterface Config
<count>
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2.11.8.1no dot1x max-req
This command sets the maximum number of times the authenticator state machine on this port will transmit an
EAPOL EAP Request/Identity frame before timing out the supplicant.
Formatno dot1x max-req
ModeInterface Config
2.11.9dot1x max-users
Use this command to set the maximum number of clients supported on the port when MAC-based dot1x
authentication is enabled on the port. The maximum users supported per port is dependent on the product. The
<count> value is in the range 1 - 16.
Default16
Formatdot1x max-users
ModeInterface Config
<count>
2.11.9.1no dot1x max-users
This command resets the maximum number of clients allowed per port to its default value.
Formatno dot1x max-req
ModeInterface Config
2.11.10dot1x port-control
This command sets the authentication mode to use on the specified port. Select force-unauthorized to specify
that the authenticator PAE unconditionally sets the controlled port to unauthorized. Select force-authorized to
specify that the authenticator PAE unconditionally sets the controlled port to authorized. Select auto to specify that
the authenticator PAE sets the controlled port mode to reflect the outcome of the authentication exchanges between
the supplicant, authenticator and the authentication server.
This command sets the 802.1x port control mode on the specified port to the default value.
Formatno dot1x port-control
ModeInterface Config
2.11.11dot1x port-control all
This command sets the authentication mode to use on all ports. Select force-unauthorized to specify that the
authenticator PAE unconditionally sets the controlled port to unauthorized. Select force-authorized to specify
that the authenticator PAE unconditionally sets the controlled port to authorized. Select auto to specify that the
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authenticator PAE sets the controlled port mode to reflect the outcome of the authentication exchanges between the
supplicant, authenticator and the authentication server.
Defaultauto
Formatdot1x port-control all {force-unauthorized | force-authorized | auto}
ModeGlobal Config
2.11.11.1no dot1x port-control all
This command sets the authentication mode on all ports to the default value.
Formatno dot1x port-control all
ModeGlobal Config
2.11.12dot1x re-authenticate
This command begins the re-authentication sequence on the specified port. This command is only valid if the control
mode for the specified port is 'auto'. If the control mode is not 'auto' an error will be returned.
Formatdot1x re-authenticate <slot/port>
ModePrivileged EXEC
2.11.13dot1x re-authentication
This command enables re-authentication of the supplicant for the specified port.
Defaultdisabled
Formatdot1x re-authentication
ModeInterface Config
2.11.13.1no dot1x re-authentication
This command disables re-authentication of the supplicant for the specified port.
Formatno dot1x re-authentication
ModeInterface Config
2.11.14dot1x system-auth-control
Use this command to enable the dot1x authentication support on the switch. While disabled, the dot1x configuration
is retained and can be changed, but is not activated.
Defaultdisabled
Formatdot1x system-auth-control
ModeGlobal Config
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2.11.14.1no dot1x system-auth-control
This command is used to disable the dot1x authentication support on the switch.
Formatno dot1x system-auth-control
ModeGlobal Config
2.11.15dot1x timeout
This command sets the value, in seconds, of the timer used by the authenticator state machine on this port.
Depending on the token used and the value (in seconds) passed, various timeout configurable parameters are set.
The following tokens are supported:
TokensDefinition
reauth-period The value, in seconds, of the timer used by the authenticator state machine on this port to
determine when re-authentication of the supplicant takes place. The reauth-period must be a
value in the range 1 - 65535.
quiet-periodThe value, in seconds, of the timer used by the authenticator state machine on this port to
define periods of time in which it will not attempt to acquire a supplicant. The quiet-period must
be a value in the range 0 - 65535.
tx-periodThe value, in seconds, of the timer used by the authenticator state machine on this port to
supp-timeoutThe value, in seconds, of the timer used by the authenticator state machine on this port to
server-timeoutThe value, in seconds, of the timer used by the authenticator state machine on this port to
determine when to send an EAPOL EAP Request/Identity frame to the supplicant. The quietperiod must be a value in the range 1 - 65535.
timeout the supplicant. The supp-timeout must be a value in the range 1 - 65535.
timeout the authentication server. The supp-timeout must be a value in the range 1 - 65535.
This command sets the value, in seconds, of the timer used by the authenticator state machine on this port to the
default values. Depending on the token used, the corresponding default values are set.
Use this command to configure the unauthenticated VLAN associated with that port. The unauthenticated VLAN ID
can be a valid VLAN ID from 0-Maximum supported VLAN ID. The unauthenticated VLAN must be statically
configured in the VLAN database to be operational. By default, the unauthenticated VLAN is 0, i.e. invalid and not
operational.
Default0
Formatdot1x unauthenticated-vlan <vlan id>
ModeInterface Config
2.11.16.1no dot1x unauthenticated-vlan
This command resets the unauthenticated-vlan associated with the port to its default value.
Formatno dot1x unauthenticated-vlan
ModeInterface Config
2.11.17dot1x user
This command adds the specified user to the list of users with access to the specified port or all ports. The <user>
parameter must be a configured user.
Formatdot1x user <user> {<slot/port> | all}
ModeGlobal Config
2.11.17.1no dot1x user
This command removes the user from the list of users with access to the specified port or all ports.
Formatno dot1x user <user> {<slot/port> | all}
ModeGlobal Config
2.11.18users defaultlogin
This command assigns the authentication login list to use for non-configured users when attempting to log in to the
system. This setting is overridden by the authentication login list assigned to a specific user if the user is configured
locally. If this value is not configured, users will be authenticated using local authentication only.
Formatusers defaultlogin <listname>
ModeGlobal Config
2.11.19users login
This command assigns the specified authentication login list to the specified user for system login. The <user> must
be a configured <user> and the <listname> must be a configured login list.
If the user is assigned a login list that requires remote authentication, all access to the interface from all CLI, web,
and telnet sessions will be blocked until the authentication is complete.
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Note that the login list associated with the ‘admin’ user can not be changed to prevent accidental lockout from the
switch.
Formatusers login
ModeGlobal Config
<user> <listname>
2.11.20show authentication
This command displays the ordered authentication methods for all authentication login lists.
Formatshow authentication
ModePrivileged EXEC
TermDefinition
Authentication
Login List
Method 1The first method in the specified authentication login list, if any.
Method 2The second method in the specified authentication login list, if any.
Method 3The third method in the specified authentication login list, if any.
The authentication login listname.
2.11.21show authentication users
This command displays information about the users assigned to the specified authentication login list. If the login is
assigned to non-configured users, the user “default” will appear in the user column.
Formatshow authentication users <listname>
ModePrivileged EXEC
TermDefinition
UserThe user assigned to the specified authentication login list.
ComponentThe component (User or 802.1x) for which the authentication login list is assigned.
2.11.22show dot1x
This command is used to show a summary of the global dot1x configuration, summary information of the dot1x
configuration for a specified port or all ports, the detailed dot1x configuration for a specified port and the dot1x
statistics for a specified port - depending on the tokens used.
Formatshow dot1x
statistics <slot/port>]
ModePrivileged EXEC
If you do not use the optional parameters <slot/port> or <vlanid>, the command displays the global dot1x
mode and the VLAN Assignment mode.
TermDefinition
Administrative
Mode
Indicates whether authentication control on the switch is enabled or disabled.
If you use the optional parameter summary {<slot/port> | all}, the dot1x configuration for the specified port
or all ports are displayed.
TermDefinition
InterfaceThe interface whose configuration is displayed.
Control ModeThe configured control mode for this port. Possible values are force-unauthorized | force-
Operating Control
Mode
Reauthentication
Enabled
Port StatusIndicates whether the port is authorized or unauthorized. Possible values are authorized |
Indicates whether assignment of an authorized port to a RADIUS assigned VLAN is allowed
(enabled) or not (disabled).
authorized | auto | authorized | unauthorized.
The control mode under which this port is operating. Possible values are authorized |
unauthorized.
Indicates whether re-authentication is enabled on this port.
unauthorized.
If you use the optional parameter 'detail <slot/port>', the detailed dot1x configuration for the specified port is
displayed.
TermDefinition
PortThe interface whose configuration is displayed.
Protocol VersionThe protocol version associated with this port. The only possible value is 1, corresponding to
the first version of the dot1x specification.
PAE CapabilitiesThe port access entity (PAE) functionality of this port. Possible values are Authenticator or
Supplicant.
Authenticator PAE
State
Backend
Authentication
State
Quiet PeriodThe timer used by the authenticator state machine on this port to define periods of time in
Transmit PeriodThe timer used by the authenticator state machine on the specified port to determine when to
Guest-VLAN IDThe guest VLAN identifier configured on the interface.
Guest-Vlan
Operational Mode
Supplicant
Timeout
Server TimeoutThe timer used by the authenticator on this port to timeout the authentication server. The
Maximum
Requests
Vlan-assignedThe VLAN assigned to the port by the radius server.
Current state of the authenticator PAE state machine. Possible values are Initialize,
Disconnected, Connecting, Authenticating, Authenticated, Aborting, Held, ForceAuthorized,
and ForceUnauthorized.
Current state of the backend authentication state machine. Possible values are Request,
Response, Success, Fail, Timeout, Idle, and Initialize.
which it will not attempt to acquire a supplicant. The value is expressed in seconds and will
be in the range 0 and 65535.
send an EAPOL EAP Request/Identity frame to the supplicant. The value is expressed in
seconds and will be in the range of 1 and 65535.
Indicates whether guest-vlan operational mode is enabled or disabled.
The timer used by the authenticator state machine on this port to timeout the supplicant. The
value is expressed in seconds and will be in the range of 1 and 65535.
value is expressed in seconds and will be in the range of 1 and 65535.
The maximum number of times the authenticator state machine on this port will retransmit an
EAPOL EAP Request/Identity before timing out the supplicant. The value will be in the range
of 1 and 10.
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TermDefinition
Reauthentication
Period
Reauthentication
Enabled
Key Transmission
Enabled
Control DirectionThe control direction for the specified port or ports. Possible values are both or in.
If you use the optional parameter statistics <slot/port>, the following dot1x statistics for the specified port
appear.
TermDefinition
PortThe interface whose statistics are displayed.
EAPOL Frames
Received
EAPOL Frames
Transmitted
EAPOL Start
Frames Received
EAPOL Logoff
Frames Received
Last EAPOL Frame
Version
Last EAPOL Frame
Source
EAP Response/Id
Frames Received
EAP Response
Frames Received
EAP Request/Id
Frames
Transmitted
EAP Request
Frames
Transmitted
Invalid EAPOL
Frames Received
EAP Length Error
Frames Received
The timer used by the authenticator state machine on this port to determine when
reauthentication of the supplicant takes place. The value is expressed in seconds and will be
in the range of 1 and 65535.
Indicates if reauthentication is enabled on this port. Possible values are ‘True” or “False”.
Indicates if the key is transmitted to the supplicant for the specified port. Possible values are
True or False.
The number of valid EAPOL frames of any type that have been received by this authenticator.
The number of EAPOL frames of any type that have been transmitted by this authenticator.
The number of EAPOL start frames that have been received by this authenticator.
The number of EAPOL logoff frames that have been received by this authenticator.
The protocol version number carried in the most recently received EAPOL frame.
The source MAC address carried in the most recently received EAPOL frame.
The number of EAP response/identity frames that have been received by this authenticator.
The number of valid EAP response frames (other than resp/id frames) that have been
received by this authenticator.
The number of EAP request/identity frames that have been transmitted by this authenticator.
The number of EAP request frames (other than request/identity frames) that have been
transmitted by this authenticator.
The number of EAPOL frames that have been received by this authenticator in which the
frame type is not recognized.
The number of EAPOL frames that have been received by this authenticator in which the
frame type is not recognized.
2.11.23show dot1x clients
This command displays 802.1x client information.
Formatshow dot1x clients {<slot/port> | all}
ModePrivileged EXEC
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TermDefinition
Logical InterfaceThe logical port number associated with a client.
InterfaceThe physical port to which the supplicant is associated.
User NameThe user name used by the client to authenticate to the server.
Supplicant MAC
Address
Session TimeThe time since the supplicant is logged on.
Filter IDIdentifies the Filter ID returned by the RADIUS server when the client was authenticated. This
VLAN IDThe VLAN assigned to the port.
VLAN AssignedThe reason the VLAN identified in the VLAN ID field has been assigned to the port. Possible
Session TimeoutThis value indicates the time for which the given session is valid. The time period in seconds
Session
Termination Action
The supplicant device MAC address.
is a configured DiffServ policy name on the switch.
values are RADIUS, Unauthenticated VLAN, or Default. When the VLAN Assigned reason is
Default, it means that the VLAN was assigned to the port because the PVID of the port was
that VLAN ID.
is returned by the RADIUS server on authentication of the port. This value is valid for the port
only when the port-control mode is not MAC-based.
This value indicates the action to be taken once the session timeout expires. Possible values
are Default and Radius-Request. If the value is Default, the session is terminated and client
details are cleared. If the value is Radius-Request, then a reauthentication of the client is
performed.
2.11.24show dot1x users
This command displays 802.1x port security user information for locally configured users.
Formatshow dot1x users <slot/port>
ModePrivileged EXEC
TermDefinition
UsersUsers configured locally to have access to the specified port.
2.11.25show users authentication
This command displays all user and all authentication login information. It also displays the authentication login list
assigned to the default user.
Formatshow users authentication
ModePrivileged EXEC
TermDefinition
UserLists every user that has an authentication login list assigned.
System LoginThe authentication login list assigned to the user for system login.
802.1x Port
Security
The authentication login list assigned to the user for 802.1x port security.
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2.12Storm-Control Commands
This section describes commands you use to configure storm-control and view storm-control configuration
information. A traffic storm is a condition that occurs when incoming packets flood the LAN, which creates
performance degredation in the network. The Storm-Control feature protects against this condition.
FASTPATH provides broadcast, multicast, and unicast story recovery for individual interfaces. Unicast StormControl protects against traffic whose MAC addresses are not known by the system. For broadcast, multicast, and
unicast storm-control, if the rate of traffic ingressing on an interface increases beyond the configured threshold for
that type, the traffic is dropped.
To configure storm-control, you will enable the feature for all interfaces or for individual interfaces, and you will set
the threshold (storm-control level) beyond which the broadcast, multicast, or unicast traffic will be dropped. The
Storm-Control feature allows you to limit the rate of specific types of packets through the switch on a per-port, pertype, basis.
Configuring a storm-control level also enables that form of storm-control. Disabling a storm-control level (using the
“no” version of the command) sets the storm-control level back to the default value and disables that form of stormcontrol. Using the “no” version of the “storm-control” command (not stating a “level”) disables that form of stormcontrol but maintains the configured “level” (to be active the next time that form of storm-control is enabled.)
Note: The actual rate of ingress traffic required to activate storm-control is based on the size of incoming
packets and the hard-coded average packet size of 512 bytes - used to calculate a packet-per-second
(pps) rate - as the forwarding-plane requires pps versus an absolute rate kbps. For example, if the
configured limit is 10%, this is converted to ~25000 pps, and this pps limit is set in forwarding plane
(hardware). You get the approximate desired output when 512bytes packets are used.
2.12.1storm-control broadcast
Use this command to enable broadcast storm recovery mode for a specific interface. If the mode is enabled,
broadcast storm recovery is active and if the rate of L2 broadcast traffic ingressing on an interface increases beyond
the configured threshold, the traffic will be dropped. Therefore, the rate of broadcast traffic will be limited to the
configured threshold.
Defaultdisabled
Formatstorm-control broadcast
ModeGlobal Config
Interface Config
2.12.1.1no storm-control broadcast
Use this command to disable broadcast storm recovery mode for a specific interface.
Formatno storm-control broadcast
ModeInterface Config
2.12.2storm-control broadcast level
Use this command to configure the broadcast storm recovery threshold for an interface as a percentage of link speed
and enable broadcast storm recovery. If the mode is enabled, broadcast storm recovery is active, and if the rate of
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L2 broadcast traffic ingressing on an interface increases beyond the configured threshold, the traffic is dropped.
Therefore, the rate of broadcast traffic is limited to the configured threshold.
Default5
Formatstorm-control broadcast level <0-100>
ModeInterface Config
2.12.2.1no storm-control broadcast level
This command sets the broadcast storm recovery threshold to the default value for an interface and disables
broadcast storm recovery.
Formatno storm-control broadcast level
ModeInterface Config
2.12.3storm-control broadcast rate
Use this command to configure the broadcast storm recovery threshold for an interface in packets per second. If the
mode is enabled, broadcast storm recovery is active, and if the rate of L2 broadcast traffic ingressing on an interface
increases beyond the configured threshold, the traffic is dropped. Therefore, the rate of broadcast traffic is limited
to the configured threshold.
Default0
Formatstorm-control broadcast rate <0-33554431>
ModeInterface Config
2.12.3.1no storm-control broadcast rate
This command sets the broadcast storm recovery threshold to the default value for an interface and disables
broadcast storm recovery.
Formatno storm-control broadcast rate
ModeInterface Config
2.12.4storm-control broadcast all
This command enables broadcast storm recovery mode for all interfaces. If the mode is enabled, broadcast storm
recovery is active, and if the rate of L2 broadcast traffic ingressing on an interface increases beyond the configured
threshold, the traffic will be dropped. Therefore, the rate of broadcast traffic will be limited to the configured
threshold.
Defaultdisabled
Formatstorm-control broadcast all
ModeGlobal Config
2.12.4.1no storm-control broadcast all
This command disables broadcast storm recovery mode for all interfaces.
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Formatno storm-control broadcast all
ModeGlobal Config
2.12.5storm-control broadcast all level
This command configures the broadcast storm recovery threshold for all interfaces as a percentage of link speed
and enables broadcast storm recovery. If the mode is enabled, broadcast storm recovery is active, and if the rate of
L2 broadcast traffic ingressing on an interface increases beyond the configured threshold, the traffic will be dropped.
Therefore, the rate of broadcast traffic will be limited to the configured threshold.This command also enables
broadcast storm recovery mode for all interfaces.
Default5
Formatstorm-control broadcast all level
ModeGlobal Config
2.12.5.1no storm-control broadcast all level
<0-100>
This command sets the broadcast storm recovery threshold to the default value for all interfaces and disables
broadcast storm recovery.
Formatno storm-control broadcast all level
ModeGlobal Config
2.12.6storm-control broadcast all rate
Use this command to configure the broadcast storm recovery threshold for all interfaces in packets per second. If
the mode is enabled, broadcast storm recovery is active, and if the rate of L2 broadcast traffic ingressing on an
interface increases beyond the configured threshold, the traffic is dropped. Therefore, the rate of broadcast traffic is
limited to the configured threshold.
Default0
Formatstorm-control broadcast rate <0-33554431>
ModeGlobal Config
2.12.6.1no storm-control broadcast all rate
This command sets the broadcast storm recovery threshold to the default value for all interfaces and disables
broadcast storm recovery.
Formatno storm-control broadcast all rate
ModeGlobal Config
2.12.7storm-control multicast
This command enables multicast storm recovery mode for an interface. If the mode is enabled, multicast storm
recovery is active, and if the rate of L2 multicast traffic ingressing on an interface increases beyond the configured
threshold, the traffic will be dropped. Therefore, the rate of multicast traffic will be limited to the configured threshold.
Defaultdisabled
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Formatstorm-control multicast
ModeInterface Config
2.12.7.1no storm-control multicast
This command disables multicast storm recovery mode for an interface.
Formatno storm-control multicast
ModeInterface Config
2.12.8storm-control multicast level
This command configures the multicast storm recovery threshold for an interface as a percentage of link speed and
enables multicast storm recovery mode. If the mode is enabled, multicast storm recovery is active, and if the rate of
L2 multicast traffic ingressing on an interface increases beyond the configured threshold, the traffic will be dropped.
Therefore, the rate of multicast traffic will be limited to the configured threshold.
Default5
Formatstorm-control multicast level <0-100>
ModeInterface Config
2.12.8.1no storm-control multicast level
This command sets the multicast storm recovery threshold to the default value for an interface and disables multicast
storm recovery.
Formatno storm-control multicast level <0-100>
ModeInterface Config
2.12.9storm-control multicast rate
Use this command to configure the multicast storm recovery threshold for an interface in packets per second. If the
mode is enabled, multicast storm recovery is active, and if the rate of L2 broadcast traffic ingressing on an interface
increases beyond the configured threshold, the traffic is dropped. Therefore, the rate of multicast traffic is limited to
the configured threshold.
Default0
Formatstorm-control multicast rate <0-33554431>
ModeInterface Config
2.12.9.1no storm-control multicast rate
This command sets the multicast storm recovery threshold to the default value for an interface and disables multicast
storm recovery.
Formatno storm-control multicast rate
ModeInterface Config
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2.12.10storm-control multicast all
This command enables multicast storm recovery mode for all interfaces. If the mode is enabled, multicast storm
recovery is active, and if the rate of L2 multicast traffic ingressing on an interface increases beyond the configured
threshold, the traffic will be dropped. Therefore, the rate of multicast traffic will be limited to the configured threshold.
Defaultdisabled
Formatstorm-control multicast all
ModeGlobal Config
2.12.10.1no storm-control multicast all
This command disables multicast storm recovery mode for all interfaces.
Formatno storm-control multicast all
ModeGlobal Config
2.12.11storm-control multicast all level
This command configures the multicast storm recovery threshold for all interfaces as a percentage of link speed and
enables multicast storm recovery mode. If the mode is enabled, multicast storm recovery is active, and if the rate of
L2 multicast traffic ingressing on an interface increases beyond the configured threshold, the traffic will be dropped.
Therefore, the rate of multicast traffic will be limited to the configured threshold.
Default5
Formatstorm-control multicast all level
ModeGlobal Config
<0-100>
2.12.11.1no storm-control multicast all level
This command sets the multicast storm recovery threshold to the default value for all interfaces and disables
multicast storm recovery.
Formatno storm-control multicast all level
ModeGlobal Config
2.12.12storm-control multicast all rate
Use this command to configure the multicast storm recovery threshold for all interfaces in packets per second. If the
mode is enabled, multicast storm recovery is active, and if the rate of L2 broadcast traffic ingressing on an interface
increases beyond the configured threshold, the traffic is dropped. Therefore, the rate of multicast traffic is limited to
the configured threshold.
Default0
Formatstorm-control multicast rate <0-33554431>
ModeGlobal Config
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2.12.12.1no storm-control multicast all rate
This command sets the multicast storm recovery threshold to the default value for all interfaces and disables
multicast storm recovery.
Formatno storm-control multicast all rate
ModeGlobal Config
2.12.13storm-control unicast
This command enables unicast storm recovery mode for an interface. If the mode is enabled, unicast storm recovery
is active, and if the rate of unknown L2 unicast (destination lookup failure) traffic ingressing on an interface increases
beyond the configured threshold, the traffic will be dropped. Therefore, the rate of unknown unicast traffic will be
limited to the configured threshold.
Defaultdisabled
Formatstorm-control unicast
ModeInterface Config
2.12.13.1no storm-control unicast
This command disables unicast storm recovery mode for an interface.
Formatno storm-control unicast
ModeInterface Config
2.12.14storm-control unicast level
This command configures the unicast storm recovery threshold for an interface as a percentage of link speed, and
enables unicast storm recovery. If the mode is enabled, unicast storm recovery is active, and if the rate of unknown
L2 unicast (destination lookup failure) traffic ingressing on an interface increases beyond the configured threshold,
the traffic will be dropped. Therefore, the rate of unknown unicast traffic will be limited to the configured
threshold.This command also enables unicast storm recovery mode for an interface.
Default5
Formatstorm-control unicast level <0-100>
ModeInterface Config
2.12.14.1no storm-control unicast level
This command sets the unicast storm recovery threshold to the default value for an interface and disables unicast
storm recovery.
Formatno storm-control unicast level
ModeInterface Config
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2.12.15storm-control unicast rate
Use this command to configure the unicast storm recovery threshold for an interface in packets per second. If the
mode is enabled, unicast storm recovery is active, and if the rate of L2 broadcast traffic ingressing on an interface
increases beyond the configured threshold, the traffic is dropped. Therefore, the rate of unicast traffic is limited to
the configured threshold.
Default0
Formatstorm-control unicast rate <0-33554431>
ModeInterface Config
2.12.15.1no storm-control uniicast rate
This command sets the unicast storm recovery threshold to the default value for an interface and disables unicast
storm recovery.
Formatno storm-control unicast rate
ModeInterface Config
2.12.16storm-control unicast all
This command enables unicast storm recovery mode for all interfaces. If the mode is enabled, unicast storm
recovery is active, and if the rate of unknown L2 unicast (destination lookup failure) traffic ingressing on an interface
increases beyond the configured threshold, the traffic will be dropped. Therefore, the rate of unknown unicast traffic
will be limited to the configured threshold.
Defaultdisabled
Formatstorm-control unicast all
ModeGlobal Config
2.12.16.1no storm-control unicast all
This command disables unicast storm recovery mode for all interfaces.
Formatno storm-control unicast all
ModeGlobal Config
2.12.17storm-control unicast all level
This command configures the unicast storm recovery threshold for all interfaces as a percentage of link speed and
enables unicast storm recovery. If the mode is enabled, unicast storm recovery is active, and if the rate of unknown
L2 unicast (destination lookup failure) traffic ingressing on an interface increases beyond the configured threshold,
the traffic will be dropped. Therefore, the rate of unknown unicast traffic will be limited to the configured threshold.
Default5
Formatstorm-control unicast all level <0-100>
ModeGlobal Config
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2.12.17.1no storm-control unicast all level
This command sets the unicast storm recovery threshold to the default value and disables unicast storm recovery
for all interfaces.
Formatno storm-control unicast all level
ModeGlobal Config
2.12.18storm-control unicast all rate
Use this command to configure the unicast storm recovery threshold for all interfaces in packets per second. If the
mode is enabled, unicast storm recovery is active, and if the rate of L2 broadcast traffic ingressing on an interface
increases beyond the configured threshold, the traffic is dropped. Therefore, the rate of unicast traffic is limited to
the configured threshold.
Default0
Formatstorm-control unicast all rate <0-33554431>
ModeGlobal Config
2.12.18.1no storm-control unicast all rate
This command sets the multicast storm recovery threshold to the default value for an interface and disables multicast
storm recovery.
Formatno storm-control unicast all rate
ModeGlobal Config
2.12.19storm-control flowcontrol
This command enables 802.3x flow control for the switch and only applies to full-duplex mode ports.
Note: 802.3x flow control works by pausing a port when the port becomes oversubscribed and dropping
all traffic for small bursts of time during the congestion condition. This can lead to high-priority and/or
network control traffic loss.
Defaultdisabled
Formatstorm-control flowcontrol
ModeGlobal Config
2.12.19.1no storm-control flowcontrol
This command disables 802.3x flow control for the switch.
Note: This command only applies to full-duplex mode ports.
Formatno storm-control flowcontrol
ModeGlobal Config
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2.12.20show storm-control
This command displays switch configuration information. If you do not use any of the optional parameters, this
command displays global storm control configuration parameters:
•Broadcast Storm Recovery Mode may be enabled or disabled. The factory default is disabled.
•802.3x Flow Control Mode may be enabled or disabled. The factory default is disabled.
Use the all keyword to display the per-port configuration parameters for all interfaces, or specify the slot/port
to display information about a specific interface.
Formatshow storm-control [all | <slot/port>]
ModePrivileged EXEC
TermDefinition
Bcast ModeShows whether the broadcast storm control mode is enabled or disabled. The factory default
is disabled.
Bcast LevelThe broadcast storm control level.
Mcast ModeShows whether the multicast storm control mode is enabled or disabled.
Mcast LevelThe multicast storm control level.
Ucast ModeShows whether the Unknown Unicast or DLF (Destination Lookup Failure) storm control mode
Ucast LevelThe Unknown Unicast or DLF (Destination Lookup Failure) storm control level.
is enabled or disabled.
Example: The following shows example CLI display output for the command.
(Broadcom FASTPATH Routing) #show storm-control
802.3x Flow Control Mode....................... Disable
Example: The following shows example CLI display output for the command.
This section describes the commands you use to configure port-channels, which are also known as link aggregation
groups (LAGs). Link aggregation allows you to combine multiple full-duplex Ethernet links into a single logical link.
Network devices treat the aggregation as if it were a single link, which increases fault tolerance and provides load
sharing. The LAG feature initially load shares traffic based upon the source and destination MAC address. Assign
the port-channel (LAG) VLAN membership after you create a port-channel.
A port-channel (LAG) interface can be either static or dynamic, but not both. All members of a port channel must
participate in the same protocols.) A static port-channel interface does not require a partner system to be able to
aggregate its member ports.
Note: If you configure the maximum number of dynamic port-channels (LAGs) that your platform
supports, additional port-channels that you configure are automatically static.
2.13.1port-channel
This command configures a new port-channel (LAG) and generates a logical slot/port number for the port-channel.
The <name> field is a character string which allows the dash “-” character as well as alphanumeric characters. Use
the show port channel command to display the slot/port number for the logical interface.
Note: Before you include a port in a port-channel, set the port physical mode. For more information, see
2.1.11 “speed” on page 2 - 6.
Formatport-channel <name>
ModeGlobal Config
2.13.1.1no port-channel
This command deletes a port-channel (LAG).
Formatno port-channel {<logical slot/port> | all}
ModeGlobal Config
2.13.2addport
This command adds one port to the port-channel (LAG). The first interface is a logical slot/port number of a
configured port-channel.
Note: Before adding a port to a port-channel, set the physical mode of the port. For more information,
see 2.1.11 “speed” on page 2 - 6.
Formataddport <logical slot/port>
ModeInterface Config
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2.13.3deleteport (Interface Config)
This command deletes the port from the port-channel (LAG). The interface is a logical slot/port number of a
configured port-channel.
Formatdeleteport <logical slot/port>
ModeInterface Config
2.13.4deleteport (Global Config)
This command deletes all configured ports from the port-channel (LAG). The interface is a logical slot/port number
of a configured port-channel. To clear the port channels, see 4.6.6 “clear port-channel” on page 4 - 27
Formatdeleteport {<logical slot/port> | all}
ModeGlobal Config
2.13.5lacp admin key
.
Use this command to configure the administrative value of the key for the port-channel. The value range of <key>
is 0 to 65535.
Default0x8000
Formatlacp admin key <key>
ModeInterface Config
Note: This command is only applicable to port-channel interfaces.
2.13.5.1no lacp admin key
Use this command to configure the default administrative value of the key for the port-channel.
Formatno lacp admin key
ModeInterface Config
2.13.6lacp collector max-delay
Use this command to configure the port-channel collector max delay. The valid range of <delay> is 0-65535.
Default0x8000
Formatlacp collector max delay <delay>
ModeInterface Config
Note: This command is only applicable to port-channel interfaces.
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2.13.6.1no lacp collector max delay
Use this command to configure the default port-channel collector max delay.
Formatno lacp collector max delay
ModeInterface Config
2.13.7lacp actor admin
Use this command to configure the LACP actor admin parameters.
2.13.8lacp actor admin key
Use this command to configure the administrative value of the LACP actor admin key. The valid range for <key> is
0-65535.
DefaultInternal Interface Number of this Physical Port
Formatlacp actor admin key <key>
ModeInterface Config
Note: This command is only applicable to physical interfaces.
2.13.8.1no lacp actor admin key
Use this command to configure the default administrative value of the key.
Formatno lacp actor admin key
ModeInterface Config
2.13.9lacp actor admin state
Use this command to configure the administrative value of actor state as transmitted by the Actor in LACPDUs. The
valid value range is 0x00-0xFF.
Default0x07
Formatlacp actor admin state {individual|longtimeout|passive}
ModeInterface Config
Note: This command is only applicable to physical interfaces.
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2.13.9.1no lacp actor admin state
Use this command the configure the default administrative values of actor state as transmitted by the Actor in
LACPDUs.
Formatno lacp actor admin state {individual|longtimeout|passive}
ModeInterface Config
2.13.10lacp actor admin state individual
Use this command to set LACP actor admin state to individual.
Formatlacp actor admin state individual
ModeInterface Config
Note: This command is only applicable to physical interfaces.
2.13.10.1no lacp actor admin state individual
Use this command to set the LACP actor admin state to aggregation.
Formatno lacp actor admin state individual
ModeInterface Config
2.13.11lacp actor admin state longtimeout
Use this command to set LACP actor admin state to longtimeout.
Formatlacp actor admin state longtimeout
ModeInterface Config
Note: This command is only applicable to physical interfaces.
2.13.11.1no lacp actor admin state longtimeout
Use this command to set the LACP actor admin state to short timeout.
Formatno lacp actor admin state longtimeout
ModeInterface Config
Note: This command is only applicable to physical interfaces.
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