◆ Optional stack module for linking up to four units
◆ 8.8 Gbps of aggregate switch bandwidth
◆ Support for redundant power unit
◆ Up to five port trunks per switch
◆ Port mirroring for non-intrusive analysis
◆ QoS support for two-level priority
◆ Full support for IEEE 802.1Q VLANs
◆ IP Multicasting with IGMP Snooping
◆ Manageable via console, Web, SNMP/RMON
Management Guide
SMC6924MT
Page 2
Page 3
TigerStack 100
Management Guide
From SMC’s Tiger line of feature-rich workgroup LAN solutions
38 Tesla
Irvine, CA 92618
Phone: (949) 679-8000
November 2002
Pub. # F2.47 150200025700A R01
Page 4
Information furnished by SMC Networks, Inc. (SMC) is believed to be
accurate and reliable. However, no responsibility is assumed by SMC for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of SMC. SMC reserves the right
to change specifications at any time without notice.
SMC is a registered trademark; and EZ Switch and TigerStack are trademarks of SMC Networks, Inc.
Other product and company names are trademarks or registered trademarks of their respective holders.
Page 5
L
IMITED
Limited Warranty Statement: SMC Networks, Inc. (“SMC”) warrants its products to be
free from defects in workmanship and materials, under normal use and service, for the
applicable warranty term. All SMC products carry a standard 90-day limited warranty from
the date of purchase from SMC or its Authorized Reseller. SMC may, at its own discretion,
repair or replace any product not operating as warranted with a similar or functionally
equivalent product, during the applicable warranty term. SMC will endeavor to repair or
replace any product returned under warranty within 30 days of receipt of the product.
The standard limited warranty can be upgraded to a Limited Lifetime* warranty by registering
new products within 30 days of purchase from SMC or its Authorized Reseller. Registration
can be accomplished via the enclosed product registration card or online via the SMC web
site. Failure to register will not affect the standard limited warranty. The Limited Lifetime
warranty covers a product during the Life of that Product, which is defined as the period of
time during which the product is an “Active” SMC product. A product is considered to be
“Active” while it is listed on the current SMC price list. As new technologies emerge, older
technologies become obsolete and SMC will, at its discretion, replace an older product in its
product line with one that incorporates these newer technologies. At that point, the obsolete
product is discontinued and is no longer an “Active” SMC product. A list of discontinued
products with their respective dates of discontinuance can be found at:
http://www.smc.com/index.cfm?action=customer_service_warranty.
All products that are replaced become the property of SMC. Replacement products may be
either new or reconditioned. Any replaced or repaired product carries either a 30-day limited
warranty or the remainder of the initial warranty, whichever is longer. SMC is not responsible
for any custom software or firmware, configuration information, or memory data of
Customer contained in, stored on, or integrated with any products returned to SMC pursuant
to any warranty. Products returned to SMC should have any customer-installed accessory or
add-on components, such as expansion modules, removed prior to returning the product for
replacement. SMC is not responsible for these items if they are returned with the product.
Customers must contact SMC for a Return Material Authorization number prior to returning
any product to SMC. Proof of purchase may be required. Any product returned to SMC
without a valid Return Material Authorization (RMA) number clearly marked on the outside
of the package will be returned to customer at customer’s expense. For warranty claims within
North America, please call our toll-free customer support number at (800) 762-4968.
Customers are responsible for all shipping charges from their facility to SMC. SMC is
responsible for return shipping charges from SMC to customer.
WARRANTIES EXCLUSIVE: IF AN SMC PRODUCT DOES NOT OPERATE AS
WARRANTED ABOVE, CUSTOMER’S SOLE REMEDY SHALL BE REPAIR OR
REPLACEMENT OF THE PRODUCT IN QUESTION, AT SMC’S OPTION. THE
FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE AND ARE IN
LIEU OF ALL OTHER WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED,
EITHER IN FACT OR BY OPERATION OF LAW, STATUTORY OR OTHERWISE,
INCLUDING WARRANTIES OR CONDITIONS OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE. SMC NEITHER ASSUMES NOR
AUTHORIZES ANY OTHER PERSON TO ASSUME FOR IT ANY OTHER
W
ARRANTY
i
Page 6
L
IMITED WARRANTY
LIABILITY IN CONNECTION WITH THE SALE, INSTALLATION,
MAINTENANCE OR USE OF ITS PRODUCTS. SMC SHALL NOT BE LIABLE
UNDER THIS WARRANTY IF ITS TESTING AND EXAMINATION DISCLOSE THE
ALLEGED DEFECT IN THE PRODUCT DOES NOT EXIST OR WAS CAUSED BY
CUSTOMER’S OR ANY THIRD PERSON’S MISUSE, NEGLECT, IMPROPER
INSTALLATION OR TESTING, UNAUTHORIZED ATTEMPTS TO REPAIR, OR
ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE, OR BY
ACCIDENT, FIRE, LIGHTNING, OR OTHER HAZARD.
LIMITATION OF LIABILITY: IN NO EVENT, WHETHER BASED IN CONTRACT
OR TORT (INCLUDING NEGLIGENCE), SHALL SMC BE LIABLE FOR
INCIDENTAL, CONSEQUENTIAL, INDIRECT, SPECIAL, OR PUNITIVE
DAMAGES OF ANY KIND, OR FOR LOSS OF REVENUE, LOSS OF BUSINESS, OR
OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE
SALE, INSTALLATION, MAINTENANCE, USE, PERFORMANCE, FAILURE, OR
INTERRUPTION OF ITS PRODUCTS, EVEN IF SMC OR ITS AUTHORIZED
RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
SOME STATES DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES
OR THE LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
CONSUMER PRODUCTS, SO THE ABOVE LIMITATIONS AND EXCLUSIONS
MAY NOT APPLY TO YOU. THIS WARRANTY GIVES YOU SPECIFIC LEGAL
RIGHTS, WHICH MAY VARY FROM STATE TO STATE. NOTHING IN THIS
WARRANTY SHALL BE TAKEN TO AFFECT YOUR STATUTORY RIGHTS.
* SMC will provide warranty service for one year following discontinuance from the active
SMC price list. Under the limited lifetime warranty, internal and external power supplies, fans,
and cables are covered by a standard one-year warranty from date of purchase.
Console Port to 9-Pin COM Port on PC . . . . . . . . . . . . . . . . . . B-2
Console Port to 25-Pin DTE Port on PC . . . . . . . . . . . . . . . . . . B-2
Glossary
Index
vii
Page 12
T
ABLE OF CONTENTS
viii
Page 13
C
HAPTER
S
WITCH
M
ANAGEMENT
Configuration Options
For advanced management capability, the TigerStack 100 management
agent provides a menu-driven system configuration program. This
program can be accessed by a direct or modem connection to the serial
port on the rear panel (out-of-band), or by a Telnet connection over the
network (in-band).
The management agent is based on SNMP (Simple Network Management
Protocol). This SNMP agent permits the switch to be managed from any
PC in the network using in-band management software (such as SMC’s
EliteView).
The management agent also includes an embedded HTTP Web agent. This
Web agent can be accessed using a standard Web browser from any
computer attached to the network.
1
The system configuration program and the SNMP agent support
management functions such as:
•Enable/disable any port
•Set the communication mode for any port
•Configure SNMP parameters
•Configure VLANs or multicast filtering
•Display system information or statistics
•Configure the switch to join a Spanning Tree
•Download system firmware
•Restart the system
1-1
Page 14
S
WITCH MANAGEMENT
Required Connections
Console Port (Out-of-Band) Connections
Attach a VT100 compatible terminal or a PC running a terminal emulation
program to the serial port on the switch’s rear panel. Use the null-modem
cable provided with this package, or use a null modem connection that
complies with the wiring assignments shown in Appendix B of this guide.
When attaching to a PC, set terminal emulation type to VT100, specify the
port used by your PC (i.e., COM 1~4), and then set communications to 8
data bits, 1 stop bit, no parity, and 19200 bps (for initial configuration).
Also be sure to set flow control to “none.” (Refer to “Configuring the
Serial Port” on page 2-17 for a complete description of configuration
options.)
Note: If the default settings for the management agent’s serial port have
been modified and you are having difficulty making a console
connection, you can display or modify the current settings using a
Web browser as described under “Console Configuration” on page
3-5.
1-2
Page 15
R
EQUIRED CONNECTIONS
In-Band Connections
Prior to accessing the Network Management Module via a network
connection, you must first configure it with a valid IP address, subnet
mask, and default gateway using an out-of-band connection or the
BOOTP protocol.
After configuring the switch’s IP parameters, you can access the on-board
configuration program from anywhere within the attached network. The
on-board configuration program can be accessed using Telnet from any
computer attached to the network. The switch and stack can also be
managed by any computer using a Web browser (Internet Explorer 4.0, or
Netscape Navigator 4.0 or above), or from a network computer using
network management software such as EliteView.
Notes: 1. By default BOOTP is disabled. To enable BOOTP, see “IP
Configuration” on page 2-13.
2. Use the Network Configuration menu to specify the maximum
number of simultaneous Telnet sessions that are supported by
the system (up to four).
3. The on-board program only provides access to basic
configuration functions. To access the full range of SNMP
management functions, you must use SNMP- based network
management software, such as SMC’s free EliteView software.
1-3
Page 16
S
WITCH MANAGEMENT
Factory Defaults
The default settings for switch configuration parameters. Each parameter
can be changed via the console menus or Telnet.
ParameterDefault Value
System Configuration
Management VLANAll
IP StateUSER-CONFIG
IP Address10.1.0.1
NetMark255.255.0.0
Default GatewayNull
User Namesadmin, guest
Password<none>
Screen Timeout 10 min
Send Authentication Fail TrapsEnabled
SNMP Community Namepublic, private
Terminal Baud Rate19200
Port Configuration
Flow ControlDisabled
Speed and Duplex Auto
AdminEnabled
Broadcast Storm ControlEnabled - 500 pps
Port Priority
Default Ingress User Priority0
Spanning Tree Algorithm
Aging Time300
Bridge Priority32768
Forward Delay15
Hello Time2
Max Age20
1-4
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F
ACTORY DEFAULTS
ParameterDefault Value
Path Cost4 - 1000Mbps ports
19 - 100Mbps ports
100 - 10Mbps ports
Port Priority 128
Spanning Tree ProtocolEnabled
Spanning Tree Fast Forwarding 10/100
Mbps ports
Virtual LANs
Acceptable VLAN Frame TypeAll
Configurable PVID TaggingYes
Untagged VLAN Group Assignment1
VLAN Ingress FilteringFalse
VLAN LearningSVL
Enabled
1-5
Page 18
S
WITCH MANAGEMENT
1-6
Page 19
C
HAPTER
U
SING THE
C
ONFIGURATION
S
P
ROGRAM
Login Screen
Once a direct connection to the serial port or a Telnet connection is
established, the login screen for the on-board configuration program
appears as shown below.
V2.04.0708-23-2002 (c)Copyright 2002, SMC Networks Inc.
SSMM MMMM MMCCCCC
TigerStack 100 SMC6924MT
User name :
Password :
2
YSTEM
If this is your first time to log into the configuration program, then the
default user names are “admin” and “guest,” with no password. The
administrator has Read/Write access to all configuration parameters and
statistics. While the guest has Read Only access to the management
program.
2-1
Page 20
U
SING THE SYSTEM CONFIGURATION PROGRAM
You should define a new administrator password, record it and put it in a
safe place. Select Console Login Configuration from the Management
Setup Menu and enter a new password for the administrator. Note that
passwords can consist of up to 11 alphanumeric characters and are not
case sensitive.
Note: Based on the default configuration, a user is allowed three attempts
to enter the correct password; on the third failed attempt the
current connection is terminated.
After you enter the user name and password, you will have access to the
system configuration program as illustrated by the following menu
hierarchy:
System
Information Menu
Management
Setup Menu
System Information
Switch Information
Network Configuration
Serial Port Configuration
SNMP Configuration
Console Login Configuration
TFTP Download
Configuration Save & Restore
Management Configuration
IP Configuration
IP Connectivity Test(Ping)
HTTP Configuration
SNMP Communities
IP Trap Managers
Device
Control Menu
Network
Monitor Menu
System
Restart Menu
Exit
Port Configuration
Port Information
Spanning Tree Configuration
Spanning Tree Information
Port Configuration
Mirror
Port Trunking Configuration
IGMP Configuration
BStorm Control Configuration
Extented Bridge Configuration
802.1P Configuration
802.1Q VLAN Base Information
802.1Q VLAN Current Table Information
802.1Q VLAN Static Table Configuration
802.1Q VLAN Port Configuration
Port Security Configuration
Port GARP Configuration*
Port GMRP Configuration*
With the system configuration program you can define system parameters,
manage and control the switch, the connected stack and all its ports, or
monitor network conditions. The figure below of the Main Menu and the
following table briefly describe the selections available from this program.
Note: Options for the currently selected item are displayed in the
highlighted area at the bottom of the interface screen.
Main Menu
=========
System Information Menu...
Management Setup Menu...
Device Control Menu...
Network Monitor Menu...
Restart System Menu...
Exit
M
AIN MENU
Use <TAB> or arrow keys to move. <Enter> to select.
MenuDescription
System Information Menu
System InformationProvides basic system description, including
contact information.
Switch Information Shows hardware/firmware version numbers, power
status, and expansion modules used in the stack.
2-3
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U
SING THE SYSTEM CONFIGURATION PROGRAM
MenuDescription
Management Setup Menu
Network ConfigurationIncludes IP setup, Ping facility, HTTP (Web agent)
Serial Port ConfigurationSets communication parameters for the serial port,
SNMP ConfigurationActivates traps; and configures communities and
Console Login
Configuration
TFTP DownloadDownloads new version of firmware to update your
Configuration Save
& Restore
Management Configuration Specifies if management access to the switch is
Device Control Menu
Port ConfigurationEnables any port, enables/disables flow control,
Port InformationDisplays operational status, including link state,
Spanning Tree Configuration Enables Spanning Tree Algorithm; also sets
Spanning Tree Information Displays full listing of parameters for the Spanning
Port Mirror Configuration Sets the source and target ports for mirroring.
Port Trunking Configuration Specifies ports to group into aggregate trunks.
including management mode, baud rate, console
time-out, and screen data refresh interval.
trap managers.
Sets user names and passwords for system access, as
well as the invalid password threshold and lockout
time.
system (in-band).
Saves the switch configuration to a file on a TFTP
server. This file can be later downloaded to restore
the configuration.
available from all VLANs or restricted to one
VLAN.
and sets communication mode to auto-negotiation,
full duplex or half duplex.
flow control method, and duplex mode.
parameters for hello time, maximum message age,
switch priority, and forward delay; as well as port
priority, path cost, and fast forwarding.
Tree Algorithm.
2-4
Page 23
M
AIN MENU
MenuDescription
BStorm Control
Configuration
Extended Bridge
Configuration
802.1P ConfigurationConfigures default port priorities and queue
802.1Q VLAN
Base Information
802.1Q VLAN Current
Table Information
802.1Q VLAN Static Table
Configuration
802.1Q VLAN
Port Configuration
Port Security Configuration Allows you to enable and configure port security for
Port GARP Configuration* Configures settings used in multicast filtering.
Port GMRP Configuration* Configures GMRP multicast filtering.
Network Monitor Menu
Port StatisticsDisplays statistics on network traffic passing
RMON StatisticsDisplays detailed statistical information for the
Unicast Address TableProvides full listing for unicast addresses, as well as
Multicast Address
Registration Table*
IP Multicast Registration
Table
*
Not implemented in this firmware release.
Allows you to enable/disable broadcast storm
control on a per-port basis and set the
packet-per-second threshold.
Displays/configures extended bridge capabilities
provided by this switch.
assignments.
Displays basic VLAN information, such as VLAN
version number and maximum VLANs supported.
Displays VLAN groups and port members.
Configures VLAN groups via static assignments,
including setting port members, or restricting ports
from being dynamically added to a port by the
GVRP protocol.
Displays/configures port-specific VLAN settings,
including PVID, ingress filtering, and GVRP.
the switch.
through the selected port.
selected port such as packet type and frame size
counters.
search and clear functions.
Provides full listing for multicast addresses, as well
as search and clear functions.
Displays all the multicast groups active on this
switch, including multicast IP addresses and
corresponding VLAN IDs.
2-5
Page 24
U
SING THE SYSTEM CONFIGURATION PROGRAM
MenuDescription
Static Unicast Address Table
Configuration
Static Multicast Address
Table Configuration*
Restart System Restarts system with options to use POST, or to
ExitExits the configuration program.
*
Not implemented in this firmware release.
Used to manually configure host MAC addresses in
the unicast table.
Used to manually configure host MAC addresses in
the multicast table.
retain factory defaults, IP settings, or user
authentication settings.
2-6
Page 25
S
YSTEM INFORMATION MENU
System Information Menu
Use the System Information Menu to display a basic description of the
switch, including contact information, and hardware/firmware versions.
System Information Menu
=======================
System Information ...
Switch Information ...
Use <TAB> or arrow keys to move. <Enter> to select
MenuDescription
System InformationProvides basic system description, including
Switch Information Shows hardware/firmware version numbers,
<OK>
contact information.
power status, and expansion modules used in the
stack.
2-7
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U
SING THE SYSTEM CONFIGURATION PROGRAM
Displaying System Information
Use the System Information screen to display descriptive information
about the switch, or for quick system identification as shown in the
following figure and table.
System Information
==================
System Description : TigerStack 100 SMC6924MT
System Object ID: 1.3.6.1.4.1.202.20.6
System Up Time: 48067 (0 day, 1 hr, 2min, 34 sec)
System Name: DEFAULT SYSTEM NAME
System Contact: DEFAULT SYSTEM CONTACT
System Location: DEFAULT SYSTEM LOCATION
<APPLY><OK><CANCEL>
Use <TAB> or arrow keys to move, other keys to make changes.
ParameterDescription
System DescriptionSystem hardware description.
System Object IDMIB II object identifier for switch’s network
management subsystem.
System Up TimeLength of time the current management agent has
been running. (Note that the first value is 1/100
second.)
System Name*Name assigned to the switch system.
System Contact*Contact person for the system.
System Location*Specifies the area or location where the system
*
Maximum string length is 255, but the screen onl y display s 45 chara cters. Y ou can
use the arrow keys to browse the whole string.
resides.
2-8
Page 27
S
YSTEM INFORMATION MENU
Displaying Switch Version Information
Use the Switch Information screen to display hardware/firmware version
numbers for the main board, as well as the power status.
Switch Information : Unit 1
==================
Hardware Version: V5.0
Firmware Version: V1.21
Serial Number: 00-CB-00-00-00-00
Port Number: 25
Internal Power Status: Active
Redundant Power Status: Inactive
Expansion Slot 1: --------------------Expansion Slot 2: 1000Base-SX
Hardware Version: V2.0 (850 CPU)
POST ROM Version: V1.02
Firmware Version: V2.47
SNMP Agent: Master
<OK><PREV UNIT><NEXT UNIT>
Use <TAB> or arrow keys to move. <Enter> to select
Main Board
Agent Module
ParameterDescription
Main Board
Hardware VersionHardware version of the main board.
Firmware VersionSystem firmware version in ROM.
Serial NumberThe serial number of the main board.
Port Number Number of ports (including modules).
Internal Power StatusIndicates if the primary power is active or inactive.
Redundant Power StatusIndicates if the redundant power is active or
inactive.
Expansion Slot 1Shows module type if inserted:
100BASE-FX (MMF or SMF), 1000BASE-SX,
1000BASE-LX or 1000BASE-T.
2-9
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U
SING THE SYSTEM CONFIGURATION PROGRAM
ParameterDescription
Expansion Slot 2Shows module type if inserted:
100BASE-FX (MMF or SMF), 1000BASE-SX,
1000BASE-LX, 1000BASE-T, or Stacking.
Agent Module
Hardware VersionHardware version of the agent module.
POST ROM VersionPower-On Self-Test version number.
Firmware VersionFirmware version of the agent module.
SNMP AgentShows that the agent module is operating as
Master.
2-10
Page 29
M
ANAGEMENT SETUP MENU
Management Setup Menu
After initially logging onto the system, adjust the communication
parameters for your console to ensure a reliable connection (Serial Port
Configuration). Specify the IP addresses for the switch (Network
Configuration / IP Configuration), and then set the Administrator and
User passwords (Console Login Configuration). Remember to record
them in a safe place. Also set the community string which controls access
to the on-board SNMP agent via in-band management software (SNMP
Configuration). The items provided by the Management Setup Menu are
described in the following sections.
Management Setup Menu
=====================
Network Configuration ...
Serial Port Configuration ...
SNMP Configuration ...
Console Login Configuration ...
TFTP Download ...
Configuration Save & Restore ...
Use <TAB> or arrow keys to move. <Enter> to select.
MenuDescription
Network ConfigurationIncludes IP setup, Ping facility, HTTP (Web
Serial Port ConfigurationSets communication parameters for the serial
SNMP ConfigurationActivates traps; and configures communities and
Console Login
Configuration
<OK>
agent) setup, Telnet configuration, and MAC
address.
port, including management mode, baud rate,
console time-out, and screen data refresh interval.
trap managers.
Sets user names and passwords for system access,
as well as the invalid password threshold and
lockout time.
2-11
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U
SING THE SYSTEM CONFIGURATION PROGRAM
MenuDescription
TFTP DownloadDownloads new version of firmware to update
your system (in-band).
Configuration Save
& Restore
Saves the switch configuration to a file on a TFTP
server. This file can be later downloaded to
restore the configuration.
Changing the Network Configuration
Use the Network Configuration menu to set the bootup option, configure
the switch’s Internet Protocol (IP) parameters, enable the on-board Web
agent, or to set the number of concurrent Telnet sessions allowed. The
screen shown below is described in the following table.
Network Configuration
=====================
IP Configuration ...
IP Connectivity Test (Ping) ...
HTTP Configuration ...
MAX Number of allowed Telnet sessions (1 -4) : 4
MAC Address : 00-E0-29-52-28-00
<APPLY><OK><CANCEL>
Use <TAB> or arrow keys to move. <Enter> to select.
ParameterDescription
IP ConfigurationScreen used to set the bootup option, or
configure the switch’s IP parameters.
IP Connectivity Test (Ping)Screen used to test IP connectivity to a specified
device.
HTTP ConfigurationScreen used to enable the Web agent.
MAX Number of Allowed
Telnet Sessions
The maximum number of Telnet sessions allowed
to simultaneously access the agent module.
MAC AddressPhysical address of the agent module.
2-12
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M
ANAGEMENT SETUP MENU
IP Configuration
Use the IP Configuration screen to set the bootup option, or configure the
switch’s IP parameters. The screen shown below is described in the
following table.
Network Configuration : IP Configuration
========================================
Interface Type : Ethernet
IP Address: 10.1.113.29
Subnet Mask: 255.255.0.0
Gateway IP:
IP State: USER-CONFIG
<APPLY><OK><CANCEL>
Use <TAB> or arrow keys to move, other keys to make changes.
ParameterDescription
Interface TypeIndicates IP over Ethernet.
IP AddressIP address of the stack you are managing. The system
supports SNMP over UDP/IP transport protocol. In this
environment, all systems on the Internet, such as network
interconnection devices and any PC accessing the agent
module (or running EliteView) must have an IP address.
Valid IP addresses consist of four numbers, 0 to 256,
separated by periods. Anything outside of this format will
not be accepted by the configuration program.
Subnet MaskSubnet mask of the switch you have selected. This mask
identifies the host address bits used for routing to specific
subnets.
2-13
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U
SING THE SYSTEM CONFIGURATION PROGRAM
ParameterDescription
Default GatewayGateway used to pass trap messages from the system’s agent
to the management station. Note that the gateway must be
defined if the management station is located in a different IP
segment. The default value is null.
IP StateSpecifies whether IP functionality is enabled via manual
configuration, or set by Boot Protocol (BOOTP). Options
include:
USER-CONFIG - IP functionality is enabled based on the
default or user specified IP Configuration. (This is the
default setting.)
BOOTP Get IP - IP is enabled but will not function until a
BOOTP reply has been received. BOOTP requests will be
periodically broadcast by the switch in an effort to learn its
IP address. (BOOTP values can include the IP address,
default gateway, subnet mask, and TFTP server IP.)
2-14
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M
ANAGEMENT SETUP MENU
IP Connectivity Test (Ping)
Use the IP Connectivity Test to see if another site on the Internet can be
reached. The screen shown below is described in the following table.
Network Configuration : IP Connectivity Test (Ping)
===================================================
IP Address :
Test Times : 1Interval : 3
Success: 0Failure : 0
[Start]
<APPLY><OK><CANCEL>
Use <TAB> or arrow keys to move, other keys to make changes.
ParameterDescription
IP AddressIP address of the site you want to ping.
Test TimesThe number of ICMP echo requests to send to
IntervalThe interval (in seconds) between pinging the
Success/FailureThe number of times the specified site has
the specified site.
Range: 1~1000
specified site.
Range: 1~10 seconds
responded or not to pinging.
2-15
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U
SING THE SYSTEM CONFIGURATION PROGRAM
HTTP Configuration
Use the HTTP Configuration screen to enable/disable the on-board Web
agent, and to specify the TCP port that will provide HTTP service. The
screen shown below is described in the following table.
Use <TAB> or arrow keys to move, <Space> to scroll options.
ParameterDescription
HTTP ServerEnables/disables access to the on-board Web
agent.
HTTP Port NumberSpecifies the TCP port that will provide HTTP
service.
Range : 0~65535
Default : Port 80
(Telnet Port 23 is prohibited.)
2-16
Page 35
M
ANAGEMENT SETUP MENU
Configuring the Serial Port
You can access the on-board configuration program by attaching a VT100
compatible device to the switch’s serial port. (For more information on
connecting to this port, see “Required Connections” on page 1-2.) The
communication parameters for this port can be accessed from the Serial
Port Configuration screen shown below and described in the following
table.
Serial Port Configuration
=========================
Management Mode: CONSOLE MODE
Baud rate: 19200
Data bits: 8
Stop bits: 1
Parity: NONE
Time-Out (in minutes): 10
Auto Refresh (in seconds) : 5
<APPLY><OK><CANCEL>
Use <TAB> or arrow keys to move. <Space> to scroll options
ParameterDefaultDescription
Management
Mode
Console
Mode
Indicates that the console port settings are for
direct console connection.
Baud rate19200The rate at which data is sent between devices.
Options : 2400, 4800, 9600, 19200 and auto
detection.
Note that when Auto is selected, you need to first
press the Enter key once to set the data rate and
initialize the connection.
Data bits8 bitsSets the data bits of the RS-232 port.
Options : 7, 8
Stop bits1 bitSets the stop bits of the RS-232 port.
Options : 1, 2
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U
SING THE SYSTEM CONFIGURATION PROGRAM
ParameterDefaultDescription
ParityNoneSets the parity of the RS-232 port.
Options : none/odd/even
Time-Out10 minutesIf no input is received from the attached device
Auto Refresh5 secondsSets the interval before a console session will auto
after this interval, the current session is
automatically closed.
Range : 0 - 100 minutes; where 0 indicates
disabled
refresh the console information, such as Spanning
Tree Information, Port Configuration, Port
Statistics, and RMON Statistics.
Range : 0, or 5-255 seconds; where 0 indicates
disabled
2-18
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M
ANAGEMENT SETUP MENU
Assigning SNMP Parameters
Use the SNMP Configuration screen to display and modify parameters for
the Simple Network Management Protocol (SNMP). The switch includes
an on-board SNMP agent which monitors the status of its hardware, as
well as the traffic passing through its ports. A computer attached to the
network, called a Network Management Station (NMS), can be used to
access this information. Access rights to the on-board agent are controlled
by community strings. To communicate with the switch, the NMS must
first submit a valid community string for authentication. The options for
configuring community strings and related trap functions are described in
the following sections.
Use <TAB> or arrow keys to move, <Space> to scroll options.
ParameterDescription
Send Authentication Fail
Traps
SNMP CommunitiesAssigns SNMP access based on specified strings.
IP Trap ManagersSpecifies management stations that will receive
Issue a trap message to specified IP trap managers
whenever authentication of an SNMP request fails. (The
default is disabled.)
authentication failure messages or other trap messages
from the switch.
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SING THE SYSTEM CONFIGURATION PROGRAM
Configuring Community Names
The following figure and table describe how to configure the community
strings authorized for management access. Up to 5 community names may
be entered.
Use <TAB> or arrow keys to move, other keys to make changes.
ParameterDescription
Community NameA community entry authorized for management access.
Maximum string length : 20 characters
AccessManagement access is restricted to Read Only or Read/
Write.
StatusSets administrative status of entry to enabled or
disabled.
Note: The default community string is “public” with Read/Write access.
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ANAGEMENT SETUP MENU
Configuring IP Trap Managers
The following figure and table describe how to specify management
stations that will receive authentication failure messages or other trap
messages from the switch. Up to 5 trap managers may be entered.
SNMP Configuration : IP Trap Managers
=====================================
IP AddressCommunity NameStatus
1. 10.1.0.23PublicDISABLED
2.
3.
4.
5.
<APPLY><OK><CANCEL>
Use <TAB> or arrow keys to move, other keys to make changes.
ParameterDescription
IP AddressIP address of the trap manager.
Community NameA community specified for trap management access.
StatusSets administrative status of selected entry to enabled or
disabled.
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SING THE SYSTEM CONFIGURATION PROGRAM
Console Login Configuration
Use the Management Setup: Console Login Configuration to restrict
management access based on specified user names and passwords, or to
set the invalid password threshold and time-out. There are only two user
types defined, ADMIN (Administrator) and GUEST, but you can set up to
five different user names and passwords. Only Administrators have write
access for parameters governing the switch. You should therefore assign a
user name and password to the default Administrator as soon as possible,
and store it in a safe place. (If for some reason your password is lost, or
you cannot gain access to the System Configuration Program, contact
SMC Technical Support for assistance.) The parameters shown on this
screen are indicated in the following figure and table.
Password Threshold: 3
Lock-out Time (in minutes) : 0
User TypeUser NamePassword
----------------------------------------
1. ADMINadmin
2. GUESTguest
3.
4.
5.
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<APPLY><OK><CANCEL>
Use <TAB> or arrow keys to move, other keys to make changes.
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ANAGEMENT SETUP MENU
ParameterDefaultDescription
Password
Threshold
Lock-out Time 0The time (in seconds) the management console
Admin*name: admin
Guest*name: guest
* Passwords can consist of up to 11 alphanumeric characters and are not case
sensitive.
3Sets the password intrusion threshold which
limits the number of failed logon attempts.
Range : 0~65535
will be disabled due to an excessive number of
failed logon attempts.
Range : 0~65535 (0 indicates disabled)
Administrator has access privilege of Read/
password: null
password: null
Write for all screens.
Guest has access privilege of Read Only for all
screens.
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SING THE SYSTEM CONFIGURATION PROGRAM
Downloading System Software
Using TFTP to Download Over the Network
Use the TFTP Download menu to load software updates into the switch.
The download file should be an SMC6924MT binary file from SMC;
otherwise the agent will not accept it. The success of the download
operation depends on the accessibility of the TFTP server and the quality
of the network connection. After downloading the new software, the agent
will automatically restart itself. Parameters shown on this screen are
indicated in the following figure and table.
TFTP Download
=============
Download Server IP :
Agent Software Upgrade: ENABLED
Download Filename:
Download Mode: PERMANENT
[Process TFTP Download]
Download status : Complete
<APPLY><OK><CANCEL>
Use <TAB> or arrow keys to move. Other keys to make changes.
ParameterDescription
Download Server IPIP address of a TFTP server.
Agent Software Upgrade
Download FilenameThe binary file to download.
Download ModeDownload to permanent flash ROM.
Note: You can also download firmware using the Web agent (page 3-16)
or by a direct console connection after a restart (page A-2).
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ANAGEMENT SETUP MENU
Saving the System Configuration
Use the Configuration Save & Restore menu to save the switch
configuration settings to a file on a TFTP server. The file can be later
downloaded to the switch to restore the switch’s settings. The success of
the operation depends on the accessibility of the TFTP server and the
quality of the network connection. Parameters shown on this screen are
indicated in the following figure and table.
Configuration Upload
====================
Upload Server IP:
Upload Filename:
[Process TFTP Upload]
Upload status: Complete
Configuration Download
Download Server IP:
Download Filename:
[Process TFTP Download]
Download status : Complete
<APPLY><OK><CANCEL>
Use <TAB> or arrow keys to move, other keys to make changes.
======================
ParameterDescription
Configuration Upload
Upload Server IPIP address of a TFTP server.
Upload FilenameThe name of the file to contain the switch
configuration settings.
[Process TFTP Upload]Issues a request to upload the configuration settings
to the specified file on the TFTP server.
Upload StatusIndicates if an upload is “Complete” or “In
Progress.”
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ParameterDescription
Configuration Download
Download Server IPIP address of a TFTP server.
Download FilenameThe name of the file that contains the switch
configuration settings you wish to restore.
[Process TFTP Download] Issues a request to the TFTP server to download the
specified file.
Download StatusIndicates if a download is “Complete” or “In
Progress.”
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ANAGEMENT SETUP MENU
Configuring Management Access
Use the Management Configuration menu to define which VLAN has
management access to the switch. Parameters shown on this screen are
indicated in the following figure and table.
Management Configuration
=========================
Management VLAN : ALL
VLAN: 1
<APPLY><OK><CANCEL>
Use <TAB> or arrow keys to move, <Space> to scroll options.
ParameterDefaultDescription
Management
VLAN
VLAN1Specifies the VLAN ID that has access to
AllSelect ALL to give all VLANs access to switch
management, or ONE to restrict access to a
specified VLAN. If you select just one VLAN,
you must specify its VLAN ID on the following
line.
switch management.
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SING THE SYSTEM CONFIGURATION PROGRAM
Configuring the Switch
The Device Control menu is used to control a broad range of functions,
including port configuration, Spanning Tree, port mirroring, multicast
filtering, and Virtual LANs. Each of the setup screens provided by these
configuration menus is described in the following sections.
Device Control Menu
===================
Port Configuration ...Extended Bridge Configuration ...
Port Information ...802.1P Configuration ...
Spanning Tree Configuration ... 802.1Q VLAN Base Information ...
Spanning Tree Information ...802.1Q VLAN Current Table Information ...
Mirror Port Configuration ...802.1Q VLAN Static Table Configuration ...
Port Trunking Configuration ... 802.1Q VLAN Port Configuration ...
IGMP Configuration ...Port Security Configuration ...
BStorm Control Configuration ... Port GARP Configuration ...
Port GMRP Configuration ...
Use <TAB> or arrow keys to move. <Enter> to select.
<OK>
MenuDescription
Port ConfigurationSets communication parameters for ports.
Port InformationDisplays current port settings and port status.
Spanning Tree
Configuration
Spanning Tree
Information
Configures the switch and its ports to participate in a
local Spanning Tree.
Displays the current Spanning Tree configuration for
the switch and its ports.
Mirror Port Configuration Sets the source and target ports for mirroring.
AdminEnabledAllows you to disable a port due to abnormal behavior
(e.g., excessive collisions), and then re-enable it after
the problem has been resolved. You may also disable
a port for security reasons.
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ONFIGURING THE SWITCH
ParameterDefaultDescription
Flow Control DisabledUsed to enable or disable flow control. Flow control
can eliminate frame loss by “blocking” traffic from
end stations or segments connected directly to the
switch when its buffers fill. IEEE 802.3x flow control
is used for full duplex. Note that flow control should
not be used if a port is connected to a hub.
Speed and
Duplex
100_FULL Used to set the current port speed and duplex mode.
The MT-RJ ports have a default setting of 100_FULL.
Auto-negotiation is the default setting for
1000BASE-T, 1000BASE-SX and 1000BASE-LX;
but is not available for 100BASE-FX.
Note: MT-RJ ports operate at 100 Mbps and support full- and
half-duplex mode. 100BASE-FX module ports operate at
100 Mbps, full-duplex only. 1000BASE-SX and 1000BASE-LX
ports are fixed at 1000 Mbps, but auto-negotiate duplex mode and
flow control. 1000BASE-T ports auto-negotiate speed
(1000/100/10 Mbps), duplex mode and flow control.
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SING THE SYSTEM CONFIGURATION PROGRAM
Viewing the Current Port Configuration
The Port Information screen displays the port type, status, link state, and
flow control in use, as well as the communication speed and duplex mode.
To change any of the port settings, use the Port Configuration menu.
Port Information : Unit 1 Port 1 - 12
================
OperationalShows if the port is functioning or not.
LinkIndicates if the port has a valid connection to an
external device.
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ONFIGURING THE SWITCH
ParameterDescription
FlowControl InUseShows the flow control type in use. Flow control can
eliminate frame loss by “blocking” traffic from end
stations connected directly to the switch. Back
pressure is used for half duplex and IEEE 802.3x for
full duplex. Note that flow control should not be used
if a port is connected to a hub.
Speed and Duplex InUseDisplays the current port speed and duplex mode
used. (Note that auto-negotiation is not available for
100BASE-FX ports.)
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Using the Spanning Tree Algorithm
The Spanning Tree Algorithm can be used to detect and disable network
loops, and to provide backup links between switches, bridges or routers.
This allows the switch to interact with other bridging devices (that is, an
STA-compliant switch, bridge or router)
one route exists between any two
stations on the network. For a more
detailed description of how to use this algorithm, refer to
Algorithm” on page 4-2.
Spanning Tree Configuration : Selection Menu
============================================
STA Bridge Configuration ...
STA Port Configuration ...
in your network to ensure that only
“Spanning Tree
Use <TAB> or arrow keys to move. <Enter> to select.
<OK>
Configuring Bridge STA
The following figure and table describe Bridge STA configuration.
Spanning Tree Configuration : Bridge STA Configuration
======================================================
Spanning Tree Protocol: ENABLED
Priority: 32768
Hello Time (in seconds): 2
Max Age (in seconds): 20
Forward Delay (in seconds): 15
<APPLY><OK><CANCEL>
Use <TAB> or arrow keys to move, <Space> to scroll options,
other keys to make changes.
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ONFIGURING THE SWITCH
ParameterDefaultDescription
Spanning Tree
Protocol
Priority32,768Device priority is used in selecting the root device,
Hello Time2Time interval (in seconds) at which the root device
EnabledEnable this parameter to participate in a STA
compliant network.
root port, and designated port. The device with the
highest priority becomes the STA root device.
However, if all devices have the same priority, the
device with the lowest MAC address will then
become the root device.
Enter a value from 0 - 65535.
Remember that the lower the numeric value, the
higher the priority.
transmits a configuration message.
The minimum value is 1.
The maximum value is
the lower of 10 or [(Max. Message Age / 2) -1].
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ParameterDefaultDescription
Max (Message)
Age
Forward Delay 15The maximum time (in seconds) the root device will
20The maximum time (in seconds) a device can wait
without receiving a configuration message before
attempting to reconfigure. All device ports (except
for designated ports) should receive configuration
messages at regular intervals. Any port that ages out
STA information (provided in the last configuration
message) becomes the designated port for the
attached LAN. If it is a root port, a new root port is
selected from among the device ports attached to
the network.
The minimum value is
the higher of 6 or [2 x (Hello Time + 1)].
The maximum value is
the lower of 40 or [2 x (Forward Delay - 1)].
wait before changing states (i.e., listening to learning
to forwarding). This delay is required because every
device must receive information about topology
changes before it starts to forward frames. In
addition, each port needs time to listen for
conflicting information that would make it return to
a blocking state; otherwise, temporary data loops
might result.
The maximum value is 30.
The minimum value is
the higher of 4 or [(Max. Message Age / 2) + 1].
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ONFIGURING THE SWITCH
Configuring STA for Ports
The following figure and table describe port STA configuration.
Spanning Tree Port Configuration : Unit 1 Port 1 - 12
================================
algorithm. If the path cost for all ports on a switch are
the same, the port with the highest priority (i.e., lowest
value) will be configured as an active link in the
Spanning Tree. Where more than one port is assigned
the highest priority, the port with lowest numeric
identifier will be enabled. The range is 0 - 255.
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ParameterDefaultDescription
(Path) Cost100/19/4This parameter is used by the STA algorithm to
determine the best path between devices. Therefore,
lower values should be assigned to ports attached to
faster media, and higher values assigned to ports with
slower media.
(Path cost takes precedence over port priority.)
The default and recommended range is:
Ethernet: 100 (50~600)
Fast Ethernet: 19 (10~60)
Gigabit Ethernet: 4 (3~10)
The full range is 1 - 65535.
Fast
Forwarding
EnabledThis parameter is used to enable/disabled the Fast
Spanning Tree mode for the selected port. In this
mode, ports skip the Blocked, Listening and Learning
states and proceed straight to Forwarding.
Note: Fast Forwarding enables end-node workstations and servers to
overcome time-out problems when the Spanning Tree Algorithm
is implemented in a network. Therefore, Fast Forwarding should
only be enabled for ports connected to an end-node device.
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ONFIGURING THE SWITCH
Viewing the Current Spanning Tree Information
The Spanning Tree Information screen displays a summary of the STA
information for the overall bridge or for a specific port. To make any
changes to the parameters for the Spanning Tree, use the Spanning Tree
Configuration menu.
Spanning Tree Information : Selection Menu
==========================================
STA Bridge Information ...
STA Port Information ...
Use <TAB> or arrow keys to move. <Enter> to select.
<OK>
Displaying the Current Bridge STA
The parameters shown in the following figure and table describe the
current Bridge STA Information.
Spanning Tree Information : Bridge STA Information
==================================================
Priority: 32768
Hello Time (in seconds): 2
Max Age (in seconds): 20
Forward Delay (in seconds): 5
Hold Time (in seconds): 1
Designated Root: 128.0000E800E800
Root Cost: 501
Root Port: 1
Reconfig Counts: 3
Topology Up Time: 48069 (0 day, 1 hr, 2min, 34 sec)
Use <Tab> or arrow keys to move, <Enter> to select.
<OK>
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ParameterDescription
PriorityDevice priority is used in selecting the root device, root
port, and designated port. The device with the highest
priority becomes the STA root device. However, if all
devices have the same priority, the device with the lowest
MAC address will then become the root device.
Hello TimeThe time interval (in seconds) at which the root device
transmits a configuration message.
Max AgeThe maximum time (in seconds) a device can wait without
receiving a configuration message before attempting to
reconfigure.
Forward DelayThe maximum time (in seconds) the root device will wait
before changing states (i.e., listening to learning to
forwarding).
Hold TimeThe minimum interval between the transmission of
Designated RootThe priority and MAC address of the device in the
Root CostThe path cost from the root port on this switch to the root
Root PortThe number of the port on this switch that is closest to the
Reconfig CountThe number of times the Spanning Tree has been
Topology Up TimeThe time since the Spanning Tree was last reconfigured.
consecutive Configuration BPDUs.
Spanning Tree that this switch has accepted as the root
device.
device.
root. This switch communicates with the root device
through this port. If there is no root port, then this switch
has been accepted as the root device of the Spanning Tree
network.
reconfigured.
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ONFIGURING THE SWITCH
Displaying the Current STA for Ports
The parameters shown in the following figure and table are for port STA
Information.
Spanning Tree Port Information : Unit 1 Port 1 - 12
==============================
Displays current state of this port within the Spanning Tree:
No LinkNo link has been established on this port.
DisabledPort has been disabled by the user or has failed
diagnostics.
BlockingPort receives STA configuration messages, but
does not forward packets.
ListeningPort will leave blocking state due to topology
change, starts transmitting configuration
messages, but does not yet forward packets.
LearningPort has transmitted configuration messages for
an interval set by the Forward Delay parameter
without receiving contradictory information. Port
address table is cleared, and the port begins
learning addresses.
Forwarding The port forwards packets, and continues
learning addresses.
The rules defining port status are:
•A port on a network segment with no other STA compliant
bridging device is always forwarding.
•If two ports of a switch are connected to the same segment
and there is no other STA device attached to this segment,
the port with the smaller ID forwards packets and the other
is blocked.
•All ports are blocked when the switch is booted, then some
of them change state to listening, to learning, and then to
forwarding.
The cost for a packet to travel from this port to the root in the
current Spanning Tree configuration. The slower the media, the
higher the cost.
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ParameterDescription
Designated
Bridge (ID)
Designated
Port (ID)
The priority and MAC address of the device through which this
port must communicate to reach the root of the Spanning Tree.
The priority and number of the port on the designated bridging
device through which this switch must communicate with the
root of the Spanning Tree.
C
ONFIGURING THE SWITCH
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SING THE SYSTEM CONFIGURATION PROGRAM
Using a Mirror Port for Analysis
You can mirror traffic from any source port to a target port for real-time
analysis. You can then attach a logic analyzer or RMON probe to the target
port and study the traffic crossing the source port in a completely
unobtrusive manner. When mirroring port traffic, note that the target port
must be included in the same VLAN as the source port. (See “Configuring
Virtual LANs” on page 2-56.)
You can use the Mirror Port Configuration screen to designate a single
port pair for mirroring as shown below.
Mirror Port Configuration
=========================
Mirror Source Port : Unit 1
Mirror Target Port : Unit 1
Status: DISABLED
<APPLY><OK><CANCEL>
Use <TAB> or arrow keys to move, other keys to make changes.
Port 1
Port 2
ParameterDescription
Mirror Source PortThe port whose traffic will be monitored.
Mirror Target PortThe port that will duplicate or “mirror” all the traffic
happening on the monitored port.
StatusEnables or disables the mirror function.
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ONFIGURING THE SWITCH
Configuring Port Trunks
Port trunks can be used to increase the bandwidth of a network
connection or to ensure fault recovery. You can configure up five trunk
connections (combining 2~4 ports into a fat pipe) between any two
standalone SMC6924MT switches, or up to 12 for an entire stack.
However, before making any physical connections between devices, use
the Trunk Configuration menu to specify the trunk on the devices at both
ends. When using a port trunk, note that:
•The ports used in a trunk must all be of the same media type (MT-RJ,
100 Mbps fiber, 1000 Mbps fiber, or 10/100/1000 Mbps RJ-45). The
ports that can be assigned to the same trunk have certain other
restrictions as described on page 2-47.
•Ports can only be assigned to one trunk.
•The ports at both ends of a connection must be configured as trunk
ports.
•The ports at both ends of a trunk must be configured in an identical
manner, including speed, duplex mode, and VLAN assignments.
•None of the ports in a trunk can be configured as a mirror source port
or mirror target port.
•All the ports in a trunk have to be treated as a whole when moved
from/to, added or deleted from a VLAN.
•The Spanning Tree Algorithm will treat all the ports in a trunk as a
whole.
•Enable the trunk prior to connecting any cable between the switches
to avoid creating a loop.
•Disconnect all trunk port cables or disable the trunk ports before
removing a port trunk to avoid creating a loop.
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You can use the Port Trunking Configuration screen set up port trunks as
shown below:
Port Trunking Configuration
===========================
Use <TAB> or arrow keys to move, other keys to make changes.
ParameterDescription
Trunk IDConfigure up to five trunks per switch.
StatusShows if the selected trunk is enabled or disabled.
UnitSpecifies a switch unit in the stack (1~4).
PortSelect from 2 ~ 4 ports per trunk.
[Show]Displays trunk settings, where the first trunk listed is
[More]Scrolls through the list of configured trunks.
[Enable] [Disable]Enables/disables the selected trunk.
[Add] [Delete]Adds/deletes the port specified by
1234
Port : --Port : --Port : --Port : --
Port : --Port : --Port : --Port : --
Port : --Port : --Port : --Port : --
Member Port : 1
<OK>
specified by “Trunk ID.”
Trunk ID / Member Unit / Member Port.
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ONFIGURING THE SWITCH
The MT-RJ ports used for one side of a trunk must all be on the same
internal switch chip. The port groups permitted include:
Group 1Group 2Group 3
1,2,3,4,
13,14,15,16
5,6,7,8,
17,18,19,20
9,10,11,12,
21,22,23,24
The 100BASE-FX fiber ports used for one side of a trunk must all be on
the same module. However, the 1000BASE-X ports used for one side of a
trunk may be on any switch in the stack, or both on the same switch if
used standalone.
Media Module
100BASE-FXAny ports on a single module.
1000BASE-XUp to four Gigabit ports from any switch in the stack, or both
Gigabit ports on two modules installed in a standalone switch.
For example, when using Gigabit ports to form a trunk within a stack, the
Gigabit ports will all be at Port 25. In this case, you could specify a trunk
group consisting of:
(Unit1-Port25, Unit2-Port25, Unit3-Port25, Unit4-Port25),
or two trunks consisting of:
(Unit1-Port25, Unit2-Port25) and (Unit3-Port25, Unit4-Port25).
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SING THE SYSTEM CONFIGURATION PROGRAM
IGMP Multicast Filtering
Multicasting is used to support real-time applications such as video
conferencing or streaming audio. A multicast server does not have to
establish a separate connection with each client. It merely broadcasts its
service to the network, and any hosts which want to receive the multicast
register with their local multicast switch/router. Although this approach
reduces the network overhead required by a multicast server, the broadcast
traffic must be carefully pruned at every multicast switch/router it passes
through to ensure that traffic is only passed on the hosts which subscribed
to this service.
This switch uses IGMP (Internet Group Management Protocol) to query
for any attached hosts who want to receive a specific multicast service. The
switch looks up the IP Multicast Group used for this service and adds any
port which received a similar request to that group. It then propagates the
service request on to any neighboring multicast switch/router to ensure
that it will continue to receive the multicast service. (For more
information, see “IGMP Protocol” on page 4-7.)
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ONFIGURING THE SWITCH
Configuring IGMP
This protocol allows a host to inform its local switch/router that it wants
to receive transmissions addressed to a specific multicast group. You can
use the IGMP Configuration screen to configure multicast filtering shown
below.
IGMP Configuration
==================
IGMP Status: ENABLED
IGMP Query Count: 2
IGMP Report Delay (Seconds) : 10
<APPLY><OK><CANCEL>
Use <TAB> or arrow keys to move. <Space> to scroll option.
ParameterDescription
IGMP StatusIf enabled, the switch will monitor network traffic to
determine which hosts want to receive multicast traffic.
This is also referred to as IGMP Snooping.
IGMP Query CountThe maximum number of queries issued for which
there has been no response before the switch takes
action to solicit reports.
IGMP Report DelayThe time (in seconds) between receiving an IGMP
Report for an IP multicast address on a port before the
switch sends an IGMP Query out that port and
removes the entry from its list.
Note: The default values are indicated in the sample screen.
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SING THE SYSTEM CONFIGURATION PROGRAM
Configuring Broadcast Storm Control
Use the Broadcast Storm Control Configuration screen to enable
broadcast storm control for any port on the switch, as shown below.
Broadcast Storm Control Configuration : Unit 1 Port 1 - 12
======================================
Use <TAB> or arrow keys to move. <Enter> to select
ParameterDescription
Broadcast control on all
ports
Allows you to enable/disable broadcast storm control for
all ports on the switch.
ThresholdThe packet-per-second threshold at which broadcast
control will be employed on the port.
(Default is 500 pps.)
Broadcast ControlEnables/disables broadcast control for the port. When
enabled, the switch will employ a broadcast- control
mechanism if the packet-per-second threshold is
exceeded. This mechanism limits the amount of
broadcasts passed by the port to half of the received
packet-per-second count. The control mechanism
remains in effect until the number of received broadcasts
falls back below the packet-per-second threshold.
(Default is Enabled.)
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ONFIGURING THE SWITCH
Configuring Bridge MIB Extensions
The Bridge MIB includes extensions for managed devices that support
Traffic Classes and Virtual LANs. To display and configure these
extensions, use the Extended Bridge Configuration screen as shown below.
This switch does not support filtering of individual
multicast addresses based on GMRP (GARP Multicast
Registration Protocol).
multiple traffic classes. (Refer to “802.1p Port Traffic
Class Information” on page 2-55.)
This switch allows static filtering for unicast and
multicast addresses. (Refer to Network Monitor Menu
/ Static Unicast Address Table Configuration and Static
Multicast Address Table Configuration.)
whereby the VLAN filtering database is shared among
all ports.
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ParameterDescription
Configurable
PVID Tagging
Local VLAN CapableThis switch does not support multiple local bridges (that
Bridge Settings
Traffic Class*Multiple traffic classes are supported by this switch as
GVRP*GARP VLAN Registration Protocol (GVRP) defines a
* Not enabled in this firmware release.
This switch allows you to override the default PVID
(Port VLAN ID) assigned to untagged incoming frames
under “802.1Q VLAN Port Configuration” on page
2-62.)
is, multiple Spanning Trees).
indicated under Bridge Capabilities. However, you can
disable this function by setting this parameter to False.
network devices to register endstations with multicast
groups.
IGMP Snooping is currently used by this switch to
provide multicast filtering.
way for switches to exchange VLAN information in
order to register necessary VLAN members on ports
across the network. This function should be enabled to
permit VLANs groups which extend beyond the local
switch.
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ONFIGURING THE SWITCH
Configuring Traffic Classes
IEEE 802.1p defines up to 8 separate traffic classes. This switch supports
Quality of Service (QoS) by using two priority queues, with Weighted Fair
Queuing for each port. You can use the 802.1P Configuration menu to
configure the default priority for each port, or to display the mapping for
the traffic classes as described in the following sections. Also, refer to
“Class-of-Service (CoS) Support” on page 4-7.
802.1P Configuration : Selection Menu
====================
802.1P Port Priority Configuration ...
802.1P Port Traffic Class Information ...
Use <TAB> or arrows keys to move. <Enter> to select.
<OK>
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Port Priority Configuration
Inbound frames that do not have any VLAN tags are tagged with the input
port’s default VLAN ID (PVID) and the Default Ingress User Priority as
shown in the following menu, and then sorted into the appropriate priority
queue at the output port. (Note that if the output port is an untagged
member of the associated VLAN, these frames are stripped of all VLAN
tags prior to transmission.)
The default priority for all ingress ports is zero. Therefore, any inbound
frames that do not have priority tags will be placed in the low priority
queue of the output port. You can use the following
ingress priority for any port as shown below.
802.1P Port Priority Configuration : Unit 1 Port 1 - 12
==================================
Use <TAB> or arrow keys to move, other keys to make changes.
menu to adjust default
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ONFIGURING THE SWITCH
ParameterDescription
PortNumeric identifier for switch port.
Default Ingress User
Priority
Default ingress priority can be set to any value from
0~7, where 0~3 specifies the low priority queue and
4~7 specifies the high priority queue.
Number of Egress Traffic
Classes
Indicates that this switch supports two priority output
queues.
802.1p Port Traffic Class Information
This switch provides two priority levels with Weighted Fair Queuing for
port egress. This means that any frames with a priority tag from 0~3 are
sent to the low priority queue “0” while those from 4~7 are sent to the
high priority queue “1” as shown in the following screen.
802.1P Port Traffic Class Information : Unit 1 Port 1 - 12
=====================================
Use <TAB> or arrow keys to move, other keys to make changes.
ParameterDescription
PortNumeric identifier for switch port.
User PriorityShows that user priorities 0~3 specify the low priority
queue and 4~7 specify the high priority queue.
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SING THE SYSTEM CONFIGURATION PROGRAM
Configuring Virtual LANs
You can use the VLAN configuration menu to assign any port on the
switch to any of up to 256 LAN groups. In conventional networks with
routers, broadcast traffic is split up into separate domains. Switches do not
inherently support broadcast domains. This can lead to broadcast storms
in large networks that handle traffic such as IPX or NetBeui. By using
IEEE 802.1Q compliant VLANs, you can organize any group of network
nodes into separate broadcast domains, confining broadcast traffic to the
originating group. This also provides a more secure and cleaner network
environment. For more information on how to use VLANs, see “Virtual
LANs” on page 4-3. The VLAN configuration screens are described in the
following sections.
802.1Q VLAN Base Information
The 802.1Q VLAN Base Information screen displays basic information
on the VLAN type supported by this switch.
802.1Q VLAN Base Information
============================
VLAN Version Number: 1
MAX VLAN ID: 2048
MAX Supported VLANs: 256
Current Number of 802.1Q VLANs Configured : 1
<OK>
<Enter> to select.
ParameterDescription
VLAN Version Number The VLAN version used by this switch as specified in
the IEEE 802.1Q standard.
MAX VLAN IDMaximum VLAN ID recognized by this switch.
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ONFIGURING THE SWITCH
ParameterDescription
MAX Supported VLANs Maximum number of VLANs that can be configured
on this switch.
Current Number of
VLANs Configured
The number of VLANs currently configured on this
switch.
802.1Q VLAN Current Table Information
This screen shows the current port members of each VLAN and whether
or not the port supports VLAN tagging. Ports assigned to a large VLAN
group that crosses several switches should use VLAN tagging. However, if
you just want to create a small port-based VLAN for one or two switches,
you can assign ports to the same untagged VLAN. The current
configuration is shown in the following screen.
802.1Q VLAN Current Table Information
=====================================
Deleted VLAN Entry Counts : 0
VIDCreation TimeStatus
-------------------------------------------------10 (0 day 0 hr 0 min 0 sec)Permanent
Use <TAB> or arrow keys to move. <Enter> to select.
Port 1 Port 13 Port 25
<OK>
ParameterDescription
Deleted VLAN Entry
Counts
The number of times a VLAN entry has been deleted
from this table.
VIDThe ID for the VLAN currently displayed.
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SING THE SYSTEM CONFIGURATION PROGRAM
ParameterDescription
Creation TimeThe value of sysUpTime (System Up Time) when this
VLAN was created.
StatusShows how this VLAN was added to the switch.
Dynamic GVRP: Automatically learned via GVRP.
Permanent: Added as a static entry.
UnitStack unit.
Current Egress PortsShows the ports which have been added to the
Current Untagged PortsIf a port has been added to the displayed VLAN (see
Sorted by VIDThe VLAN ID number from which the display will
[Show]Displays the members for the VLAN indicated by the
[More]Displays any subsequent VLANs if configured.
displayed VLAN group, where “1” indicates that a port
is a member and “0” that it is not.
Current Egress Ports), its entry in this field will be “1”
if the port is untagged or “0” if tagged.
start.
“Sorted by VID” field.
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ONFIGURING THE SWITCH
802.1Q VLAN Static Table Configuration
Use this screen to create a new VLAN or modify the settings for an
existing VLAN. You can add/delete port members for a VLAN from any
unit in the stack as a tagged or untagged member. Or you can prevent a
port from being automatically added to a VLAN by the GVRP protocol.
The switch supports an overlapping VLAN feature that allows any port to
be configured as a member of multiple VLANs. This enables inter-switch
links to carry traffic from VLANs that cross the network. Also, shared
resources, such as servers, can be connected to a port that is configured as
a tagged member of multiple VLANs.
Note: Overlapping VLANs on a port connected to another device
requires that device, switch or server, including network card and
operating system, to be VLAN tag aware.
Use <TAB> or arrow keys to move, other keys to make changes.
1Active
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SING THE SYSTEM CONFIGURATION PROGRAM
ParameterDescription
VIDThe ID for the VLAN currently displayed.
Range: 1-2048
VLAN NameA user-specified symbolic name for this VLAN.
String length: Up to 8 alphanumeric characters
StatusSets the current editing status for this VLAN as: Not in
Service, Destroy or Active.
UnitStack unit.
Egress PortsSet the entry for any port in this field to “1” to add it to
the displayed VLAN, or “0” to remove it from the
VLAN.
Forbidden Egress PortsPrevents a port from being automatically added to this
VLAN via GVRP. Note that GVRP is not supported in
the current firmware release.
Untagged PortsYou can add a port to the displayed VLAN as an
[Show]Displays settings for the specified VLAN.
[More]Displays consecutively numbered VLANs.
[New]Sets up the screen for configuring a new VLAN.
untagged port by setting this field to “1” or as a tagged
port by setting it to “0.” This field is only enabled if the
corresponding port has been added to the displayed
VLAN as an “Egress Port.”
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ONFIGURING THE SWITCH
For example, the following screen displays settings for VLAN 2, which
includes tagged ports 1-6, and forbidden port 8.
Frame Type Filtering Status Registrations PDU Origin
Use <TAB> or arrow keys to move, other keys to make changes.
ParameterDescription
PVIDThe VLAN ID assigned to untagged frames received
on this port.
Acceptable
Frame Type*
This switch accepts “All” frame types, including VLAN
tagged or VLAN untagged frames. Note that all VLAN
untagged frames received on this port are assigned to
the PVID for this port.
Ingress Filtering*If set to “True,” incoming frames for VLANs which do
not include this ingress port in their member set will be
discarded at the ingress port.
* These controls do not affect VLAN independent BPDU frames, such as GVRP
or STP. However, they do affect VLAN dependent BPDU frames, such as
GMRP.
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ONFIGURING THE SWITCH
ParameterDescription
GVRP Status*Enables or disables GVRP for this port. When
disabled, any GVRP packets received on this port will
be discarded and no GVRP registrations will be
propagated from other ports.
Note that GVRP must be enabled for the switch before
this setting can take effect. (See Device Control Menu
/ Extended Bridge Configuration.)
GVRP Failed
Registrations*
GVRP Last
PDU Origin*
* Not available for the current firmware release.
The total number of failed GVRP registrations, for any
reason, on this port.
The Source MAC Address of the last GVRP message
received on this port.
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SING THE SYSTEM CONFIGURATION PROGRAM
Port Security Configuration
Use the Port Security Configuration screen to enable and configure port
security for the switch. Port Security allows you to configure each port
with a list of MAC addresses of devices that are authorized to access the
network through that port.
Port Security Configuration
===========================
Use <TAB> or arrow keys to move. <Enter> to select
<OK>
ParameterDescription
MAC AddressA list of the authorized MAC addresses that can access the
network through the specified port.
Secure Address
Count
The number of authorized MAC addresses for the specified
port.
UnitThe stack unit ID.
PortThe port number on the unit.
[Show]Displays authorized MAC addresses for the specified port.
[More]Displays more MAC addresses for the port.
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ONFIGURING THE SWITCH
ParameterDescription
ModePort security can be set to three states; Static, Disable, or
Learning. When set to Static, the switch will drop packets
from the port if the source MAC address does not match one
of the addresses in the MAC Address list. If set to Learning,
the switch will add the source MAC address of all packets
received on the port to the authorized MAC Address list.
[Apply]Applies a change of Mode to the port.
MACA specific MAC address to be added or deleted from the list.
A MAC address must be entered as 12 hexadecimal digits in
the format “00-00-00-00-00-00”, otherwise the entry will not
be accepted by the system.
[Add]Adds a new MAC address to the current list.
[Delete]Removes a MAC address from the current list.
[Clear]Clears all the MAC addresses for the current port.
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SING THE SYSTEM CONFIGURATION PROGRAM
Monitoring the Switch
The Network Monitor Menu provides access to port statistics, RMON
statistics, IP multicast addresses, and the static address table. Each of the
screens provided by these menus is described in the following sections.
Use <TAB> or arrow keys to move. <Enter> to select.
MenuDescription
Port StatisticsDisplays statistics on network traffic passing through
RMON StatisticsDisplays detailed statistical information for the selected
Unicast Address TableProvides full listing of all unicast addresses stored in the
Multicast Address
Registration Table*
IP Multicast
Registration Table
Static Unicast Address
Table Configuration
Static Multicast Address
Table Configuration*
* Not implemented in this firmware release.
<OK>
the selected port.
port such as packet type and frame size counters.
switch, as well as sort, search and clear functions.
Displays the ports that belong to each GMRP Multicast
group.
Displays the ports that belong to each IP Multicast
group.
Allows you to display or configure static unicast
addresses.
Allows you to display or configure static GMRP
multicast addresses.
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ONITORING THE SWITCH
Displaying Port Statistics
Port Statistics display key statistics from the Ethernet-like MIB for each
port. Error statistics on the traffic passing through each port are displayed.
This information can be used to identify potential problems with the
switch (such as a faulty port or unusually heavy loading). The values
displayed have been accumulated since the last system reboot.
Select the required port. The statistics displayed are indicated in the
following figure and table.
Port Statistics : Unit 1 Port1
===============
Ether Like Counter:
Alignment Errors:0 Late Collisions:9
FCS Errors:0 Excessive Collisions:0
Single Collision Frames:0 Internal Mac Transmit Errors :0
Multiple Collision Frames :0 Carrier Sense Errors:0
SQE Test Errors:0 Frames Too Long:0
Deferred Transmissions:0 Internal Mac Receive Errors :0
[Refresh Statistics]Show port : 1
[Reset Counters][Show]
<OK><PREV UNIT><NEXT UNIT><PREV PORT><NEXT PORT>
Use <TAB> or arrow keys to move. <Enter> to select.
MenuDescription
Alignment ErrorsThe number of alignment errors (mis-synchronized data
packets).
FCS ErrorsThe number of frames received that are an integral
number of octets in length but do not pass the FCS
check.
Single Collision
Frames*
The number of successfully transmitted frames for
which transmission is inhibited by exactly one collision.
Multiple Collision Frames* A count of successfully transmitted frames for which
transmission is inhibited by more than one collision.
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SING THE SYSTEM CONFIGURATION PROGRAM
MenuDescription
SQE Test Errors*A count of times that the SQE TEST ERROR message
is generated by the PLS sublayer.
Deferred
Transmissions*
Late CollisionsThe number of times that a collision is detected later
Excessive Collisions*The number of frames for which transmission failed
Internal Mac
Transmit Errors*
Carrier Sense Errors*The number of times that the carrier sense condition
Frames Too LongThe number of frames received that exceed the
Internal Mac
Receive Errors*
* The reported values will always be zero because these statistics are not supported
by the internal chip set.
Note: Statistics are automatically refreshed every five seconds (see page 2-17).
A count of frames for which the first transmission
attempt on a particular interface is delayed because the
medium was busy.
than 512 bit-times into the transmission of a packet.
due to excessive collisions.
The number of frames for which transmission failed
due to an internal MAC sublayer transmit error.
was lost or never asserted when attempting to transmit
a frame.
maximum permitted frame size.
The number of frames for which reception failed due to
an internal MAC sublayer receive error.
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ONITORING THE SWITCH
Displaying RMON Statistics
Use the RMON Statistics screen to display key statistics for each port from
RMON group 1. (RMON groups 2, 3 and 9 can only be accessed using
SNMP management software such as EliteView.) The following screen
displays the overall statistics on traffic passing through each port. RMON
statistics provide access to a broad range of statistics, including a total
count of different frame types and sizes passing through each port. Values
displayed have been accumulated since the last system reboot.
[Refresh Statistics]Show port : 1
[Reset Counters][Show]
<OK><PREV UNIT><NEXT UNIT><PREV PORT><NEXT PORT>
Use <TAB> or arrow keys to move. <Enter> to select.
MenuDescription
Drop EventsThe total number of events in which packets were
dropped due to lack of resources.
Received BytesTotal number of bytes of data received on the network.
This statistic can be used as a reasonable indication of
Ethernet utilization.
Received FramesThe total number of frames (bad, broadcast and
multicast) received.
Broadcast FramesThe total number of good frames received that were
directed to the broadcast address. Note that this does
not include multicast packets.
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SING THE SYSTEM CONFIGURATION PROGRAM
MenuDescription
Multicast FramesThe total number of good frames received that were
directed to this multicast address.
CRC/Alignment ErrorsThe number of CRC/alignment errors (FCS or
alignment errors).
Undersize FramesThe total number of frames received that were less than
64 octets long (excluding framing bits, but including
FCS octets) and were otherwise well formed.
Oversize Frames The total number of frames received that were longer
than 1518 octets (excluding framing bits, but including
FCS octets) and were otherwise well formed.
Fragments The total number of frames received that were less than
Jabbers The total number of frames received that were longer
CollisionsThe best estimate of the total number of collisions on
64 Byte FramesThe total number of frames (including bad packets)
65-127 Byte Frames The total number of frames (including bad packets)
128-255 Byte FramesThe total number of packets (including bad packets)
1024-1518 Byte Frames The total number of packets (including bad packets)
Note: Statistics are automatically refreshed every five seconds (see page 2-17).
64 octets in length (excluding framing bits, but including
FCS octets) and had either an FCS or alignment error.
than 1518 octets (excluding framing bits, but including
FCS octets), and had either an FCS or alignment error.
this Ethernet segment.
received and transmitted that were 64 octets in length
(excluding framing bits but including FCS octets).
received and transmitted that were between 65 and 127
octets in length inclusive (excluding framing bits but
including FCS octets).
received and transmitted that were between 128 and 255
octets in length inclusive (excluding framing bits but
including FCS octets).
received and transmitted that were between 1024 and
1518 octets in length inclusive (excluding framing bits
but including FCS octets).
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ONITORING THE SWITCH
Displaying the Unicast Address Table
The Address Table contains the MAC addresses and VLAN identifier
associated with each port (that is, the source port associated with the
address and VLAN), sorted by MAC address or VLAN ID. You can search
for a specific address, clear the entire address table, or information
associated with a specific address, or set the aging time for deleting inactive
entries. The information displayed in the Address Table is indicated in the
following figure and table.
Unicast Address Table
Aging Time : 300Dynamic Counts : 244Static Counts : 0
Sorted by : MAC + VIDCleared by : MAC + VID
VLAN ID: 1VLAN ID: 1
MAC: 00-00-00-00-00-00MAC: 00-00-00-00-00-00
[Show][More][Clear][Clear Dynamic]
<APPLY><OK><CANCEL>
Use <TAB> or arrow keys to move, other keys to make changes.
=====================
MenuDescription
Aging TimeTime-out period in seconds for aging out dynamically
learned forwarding information.
Range: 10 - 415 seconds; Default: 300 seconds
Dynamic CountThe number of dynamically learned addresses in the
table.
Static CountThe number of static addresses in the table.
MACThe MAC address of a node.
VIDThe VLAN(s) associated with this address or port.
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SING THE SYSTEM CONFIGURATION PROGRAM
MenuDescription
UnitSwitch unit in the stack (1~6).
PortThe port whose address table includes this MAC
StatusIndicates address status as:
Sorted/Cleared bySelects the primary key used to sort/clear the table:
[Show]Displays the address table based on specified VLAN
[More]Scrolls through the entries in the address table.
[Clear]Clears the specified MAC address.
[Clear Dynamic]Clears all dynamically learned MAC addresses in the
address.
D: Dynamically learned, or
P: Fixed permanently by SNMP network management
software.
MAC or VID.
ID, and sorted by primary key MAC or VID.
table.
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ONITORING THE SWITCH
Displaying the IP Multicast Registration Table
Use the IP Multicast Registration Table to display all the multicast groups
active on this switch, including multicast IP addresses and the
corresponding VLAN ID.
IP Multicast Registration Table
===============================
VIDMulticast IPUnit Multicast Group Port ListsLearned by
Sorted by: VID + Multicast IP
VID: 1
Multicast IP :
[Show][More]
Use <TAB> or arrow keys to move, <Enter> to select.
MenuDescription
VIDVLAN ID assigned to this multicast group.
Multicast IPIP address for specific multicast services.
UnitStack unit.
Dynamic Port ListsThe switch ports registered for the indicated multicast
Learned byIndicates the manner in which this address was learned:
Sorted bySelects the primary sort key for displaying table entries.
[Show]Displays the address table sorted on VID and then
[More]Scrolls through the entries in the address table.
2.000000001100 110000000000 00IGMP
3.000000001100 110000000000 00IGMP
4.000000001100 110000000000 00IGMP
5.000000001100 110000000000 00IGMP
6.000000001100 110000000000 00IGMP
<OK>
service.
Dynamic or IGMP.
Note that only VID+Multicast IP is implemented in the
current firmware release.
Multicast IP.
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SING THE SYSTEM CONFIGURATION PROGRAM
Configuring Static Unicast Addresses
Use the Static Unicast Address Table Configuration screen to manually
configure host MAC addresses in the unicast table. You can use this screen
to associate a MAC address with a specific VLAN ID and switch port as
shown below.
Sorted by : VID + MACVID : 1MAC : 00-00-00-00-00-00
VID : 1Port : 1
MAC : 00-00-00-00-00-00Status : Permanent
[Show][More][Set]
Use <TAB> or arrow keys to move, <Enter> to select.
MenuDescription
VIDThe VLAN group this port is assigned to.
MAC AddressThe MAC address of a host device attached to this
UnitThe switch unit the host device is attached to.
PortThe port the host device is attached to.
<OK>
switch.
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ONITORING THE SWITCH
MenuDescription
StatusThe status for an entry can be set to:
Permanent This entry is currently in use and
will remain so after the next reset
of the switch.
DeleteOnReset This entry is currently in use and
will remain so until the next reset.
Invalid Removes the corresponding entry.
DeleteOnTimeOut
Other This entry is currently in use but
Sorted bySelects the primary sort key for displaying table entries.
Note that only VID+MAC is implemented in the
current firmware release.
[Show]Displays the static address table sorted on VID as the
primary key and MAC address as secondary key.
[More]Scrolls through entries in the static address table.
[Set]Adds the specified entry to the static address table, such
as shown in the following example:
VID: 1MAC : 00-00-00-e8-34-22
Unit: 1Port: 1
Status : Permanent
This entry is currently in use and
will remain so until it is aged out.
(Refer to “Aging Time” on page
2-71.)
the conditions under which it will
remain so differ from the
preceding values.
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SING THE SYSTEM CONFIGURATION PROGRAM
Resetting the System
Use the Restart command under the Main Menu to reset the management
agent. The reset screen includes options as shown in the following figure
and table.
System Restart Menu
===================
Restart Option :
POST: YES
Reload Factory Defaults : NO
Keep IP Setting: NO
Keep User Authentication : NO
[Restart]
<APPLY><OK><CANCEL>
Use <TAB> or arrow keys to move, <Space> to scroll options.
MenuDescription
POSTRuns the Power-On Self-Test
Reload Factory DefaultsReloads the factory defaults
Keep IP SettingRetains the settings defined in the IP Configuration
Keep User Authentication Retains the user names and passwords defined in the
[Restart]Restarts the switch.
menu.
Console Login Configuration menu.
Logging Off the System
Use the Exit command under the Main Menu to exit the configuration
program and terminate communications with the switch for the current
session.
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C
HAPTER
W
EB
-B
ASED
M
ANAGEMENT
Web-Based Configuration and Monitoring
As well as the menu-driven system configuration program, the agent
module provides an embedded HTTP Web agent. This agent can be
accessed by any computer on the network using a standard Web browser
(Internet Explorer 4.0 or above, or Netscape Navigator 4.0 or above).
Using the Web browser management interface you can configure a switch
and view statistics to monitor network activity. The Web interface also
provides access to a range of SNMP management functions with access to
the switch’s MIB and RMON database.
Prior to accessing the switch from a Web browser, be sure you have first
performed the following tasks:
1. Configure it with a valid IP address, subnet mask, and default gateway
using an out-of-band serial connection or BOOTP protocol.
3
2. Set the Administrator user name and password using an out-of-band
serial connection. Access to the Web agent is controlled by the same
Administrator user name and password as the on-board configuration
program.
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WEB-B
ASED MANAGEMENT
Navigating the Web Browser Interface
To access the Web-browser interface you must first enter a user name and
password. The default user name is “admin,” with no password. The
administrator has Read/Write access to all configuration parameters and
statistics.
Home Page
When your Web browser connects with the switch’s Web agent, the home
page is displayed as shown below. The home page displays the Main Menu
on the left-hand side of the screen and System Information on the
right-hand side. The Main Menu links are used to navigate to other menus
and display configuration parameters and statistical data.
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N
AVIGATING THE WEB BROWSER INTERFACE
If this is your first time to access the management agent, you should define
a new Administrator password, record it and put it in a safe place. From
the Main Menu, select Security and enter a new password for the
Administrator. Note that passwords can consist of up to 11 alphanumeric
characters and are not case sensitive.
Note: Based on the default configuration, a user is allowed three attempts
to enter the correct password; on the third failed attempt the
current connection is terminated. See “Console Login
Configuration” on page 2-22.
Configuration Options
Configurable parameters have a dialog box or a drop-down list. Once a
configuration change has been made on a page, be sure to click on the
“Apply” button at the bottom of the page to confirm the new setting. The
following table summarizes the Web page configuration buttons.
Web Page Configuration Buttons
ButtonAction
ApplySets specified values in the SNMP agent.
RevertCancels specified values prior to pressing the “Apply” button.
RefreshImmediately updates values from the SNMP agent.
HelpProvides help on using the Web management interface.
Notes: 1. To ensure proper screen refresh, be sure that Internet
Explorer 5.0 is configured as follows: Under the menu
“Tools / Internet Options / General / Temporary Internet
Files / Settings,” the setting for item “Check for newer
versions of stored pages” should be “Every visit to the page.”
2. When using Internet Explorer 5.0, you may have to manually
refresh the screen after making configuration changes by
pressing the browser’s refresh button.
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WEB-B
ASED MANAGEMENT
Panel Display
The Web agent displays an image of the switch’s ports, showing port links
and activity. Clicking on the image of a port displays statistics and
configuration information for the port. Clicking on the image of the serial
port (labeled “Mgmt”) displays the Console Configuration screen. Clicking
on any other part of the front panel displays “Switch Information” as
described on page 3-9.
Port State Display
Click on any port to display a summary or port status as shown below, as
well as Etherlike statistics (page 3-54) and RMON statistics (page 3-56).
ParameterDescription
TypeShows port type as:
100BASE-FX
1000BASE-SX
1000BASE-LX
1000BASE-T
Admin StatusShows if the port is enabled, or has been disabled due to
abnormal behavior or for security reasons. See “Port
Configuration” on page 3-46.
Link StatusIndicates if the port has a valid connection to an external
device.
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P
ParameterDescription
Speed StatusIndicates the current port speed.
Duplex StatusIndicates the port’s current duplex mode.
Flow Control StatusShows the flow control type in use. Flow control can
eliminate frame loss by “blocking” traffic from end stations
connected directly to the switch.
VLANThe VLAN ID assigned to untagged frames received on this
port. Use the PVID to assign ports to the same untagged
VLAN.
Console Configuration
If you are having difficulties making an out-of-band console connection to
the serial port on the agent module, you can display or modify the current
settings for the serial port through the Web agent. Click on the serial port
icon in the switch image to display or configure these settings, as shown
below.
ANEL DISPLAY
ParameterDefaultDescription
Baud rate19200 bpsThe rate at which data is sent between devices.
Options : 2400, 4800, 9600, 19200, and auto
detection.
Note that when AUTO is selected, you need to
first press the Enter key once to set the data rate
and initialize the connection.
Time-Out10 minutesIf no input is received from the attached device
after this interval, the current session is
automatically closed.
Range : 0 - 100 minutes; 0: disabled
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WEB-B
ASED MANAGEMENT
ParameterDefaultDescription
Data bits8 bitsSets the data bits of the RS-232 port.
Options : 7, 8
Stop bits1 bitSets the stop bits of the RS-232 port.
Options : 1, 2
ParitynoneSets the parity of the RS-232 port.
Options : none/odd/even
Auto-Refresh
Time
5 secondsSets the interval before a console session will auto
refresh the console information, such as Spanning
Tree Information, Port Configuration, Port
Statistics, and RMON Statistics.
Range : 5-255 seconds; 0: disabled
3-6
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