into any language in any form or by any means without the written permission of NETGEAR, Inc.
Technical Support
Thank you for choosing NETGEAR. To register your product, get the latest product updates, get support online, or
for more information about the topics covered in this manual, visit the Support website at
http://support.netgear.com .
Phone (US & Canada only): 1-888-NETGEAR
Phone (Other Countries): Check the list of phone numbers at
NETGEAR, the NETGEAR logo, ReadyNAS, ProSafe, ProSecure, Smart Wizard, Auto Uplink, X-RAID2, and
NeoTV are trademarks or registered trademarks of NETGEAR, Inc. Microsoft, Windows, Windows NT, and Vista
are registered trademarks of Microsoft Corporation. Other brand and product names are registered trademarks or
trademarks of their respective holders.
Statement of Conditions
To improve internal design, operational function, and/or reliability, NETGEAR reserves the right to make changes
to the products described in this document without notice. NETGEAR does not assume any liability that may occur
due to the use, or application of, the product(s) or circuit layout(s) described herein.
Revision History
Publication Part NumberVersion Publish DateComments
This chapter provides an overview of starting your NETGEAR ProSafe® Managed Switches and
accessing the user interface. This chapter contains the following sections:
• Switch Management Interface on page 10
• Web Access on page 10
• Web Access on page 10
• Understanding the User Interfaces on page 11
• Interface Naming Convention on page 16
Switch Management Interface
NETGEAR ProSafe® Managed Switches contain an embedded Web server and
management software for managing and monitoring switch functions. ProSafe® Managed
Switches function as simple switches without the management software. However, you can
use the management software to configure more advanced features that can improve switch
efficiency and overall network performance.
1
Web-based management lets you monitor, configure, and control your switch remotely using
a standard Web browser instead of using expensive and complicated SNMP software
products. From your Web browser, you can monitor the performance of your switch and
optimize its configuration for your network. You can configure all switch features, such as
VLANs, QoS, and ACLs by using the Web-based management interface.
Web Access
To access the ProSafe® Managed Switches management interface:
• Open a Web browser and enter the IP address of the switch in the address field.
You must be able to ping the IP address of the ProSafe® Managed Switches management
interface from your administrative system for Web access to be available. If you did not
change the IP address of the switch from the default value, enter 169.254.100.100 into the
address field.
Accessing the switch directly from your Web browser displays the login screen shown below.
ProSafe® Managed Switches software includes a set of comprehensive management
functions for configuring and monitoring the system by using one of the following methods:
• Web user interface
• Simple Network Management Protocol (SNMP)
• Command Line Interface (CLI)
Each of the standards-based management methods allows you to configure and monitor the
components of the ProSafe® Managed Switches software. The method you use to manage
the system depends on your network size and requirements, and on your preference.
The ProSafe® Managed Switch Web Management User Manual describes how to use the
Web-based interface to manage and monitor the system.
Using the Web Interface
To access the switch by using a Web browser, the browser must meet the following software
requirements:
• HTML version 4.0, or later
• HTTP version 1.1, or later
• Java Runtime Environment 1.6 or later
Use the following procedures to log on to the Web interface:
1. Open a Web browser and enter the IP address of the switch in the Web browser
address field.
2. The default username is admin, default password is none (no password). Type the
username into the field on the login screen and then click Login. Usernames and passwords
are case sensitive.
3. After the system authenticates you, the System Information page displays.
The figure below shows the layout of the Managed Switch Web interface.
Navigation Tab
Page Menu
Feature Link
Configuration Status and Options
Navigation Tabs, Feature Links, and Page Menu
Help LInk
Help Page
Logout
Button
The navigation tabs along the top of the Web interface give you quick access to the various
switch functions. The tabs are always available and remain constant, regardless of which
feature you configure.
When you select a tab, the features for that tab appear as links directly under the tabs. The
feature links in the blue bar change according to the navigation tab that is selected.
The configuration pages for each feature are available as links in the page menu on the left
side of the page. Some items in the menu expand to reveal multiple configuration pages, as
the following figure shows. When you click a menu item that includes multiple configuration
pages, the item becomes preceded by a down arrow symbol and expands to display the
additional pages.
The area directly under the feature links and to the right of the page menu displays the
configuration information or status for the page you select. On pages that contain
configuration options, you can input information into fields or select options from drop-down
menus.
Each page contains access to the HTML-based help that explains the fields and
configuration options for the page. Each page also contains command buttons.
Table 1 shows the command buttons that are used throughout the pages in the Web
interface:
Table 1. Command Buttons
ButtonFunction
AddClicking Add adds the new item configured in the heading row of a table.
ApplyClicking the Apply button sends the updated configuration to the switch. Configuration
changes take effect immediately.
CancelClicking Cancel cancels the configuration on the screen and resets the data on the screen
to the latest value of the switch.
DeleteClicking Delete removes the selected item.
RefreshClicking the Refresh button refreshes the page with the latest information from the device.
LogoutClicking the
Logout button ends the session.
Device View
The Device View is a Java® applet that displays the ports on the switch. This graphic provides
an alternate way to navigate to configuration and monitoring options. The graphic also
provides information about device ports, current configuration and status, table information,
and feature components.
The Device View is available from the System Device View page.
The port coloring indicates whether a port is currently active. Green indicates that the port is
enabled, red indicates that an error has occurred on the port, or red indicates that the link is
disabled.
The Device View of the switch is shown below.
Click the port you want to view or configure to see a menu that displays statistics and
configuration options. Click the menu option to access the page that contains the
configuration or monitoring options.
If you click the graphic, but do not click a specific port, the main menu appears. This menu
contains the same option as the navigation tabs at the top of the page.
Every page contains a link to the online help, which contains information to assist in
configuring and managing the switch. The online help pages are context sensitive. For
example, if the IP Addressing page is open, the help topic for that page displays if you click
Help.
User-defined fields can contain 1 to 159 characters, unless otherwise noted on the
configuration Web page. All characters may be used except for the following (unless
specifically noted in for that feature):
\<
/>|
*|
?
Using SNMP
The ProSafe® Managed Switches software supports the configuration of SNMP groups and
users that can manage traps that the SNMP agent generates.
ProSafe® Managed Switches use both standard public MIBs for standard functionality and
private MIBs that support additional switch functionality. All private MIBs begin with a “-”
prefix. The main object for interface configuration is in -SWITCHING-MIB, which is a private
MIB. Some interface configurations also involve objects in the public MIB, IF-MIB.
SNMP is enabled by default. The System
Management System Information Web page,
which is the page that displays after a successful login, displays the information you need to
configure an SNMP manager to access the switch.
Any user can connect to the switch using the SNMPv3 protocol, but for authentication and
encryption, the switch supports only one user which is admin; therefore there is only one
profile that can be created or modified.
To configure authentication and encryption settings for the SNMPv3 admin profile by using
the Web interface:
1. Navigate to the System
SNMP SNMPv3 User Configuration page.
2. To enable authentication, select an Authentication Protocol option, which is either MD5 or
SHA.
3. To enable encryption, select the DES option in the Encryption Protocol field. Then, enter
an encryption code of eight or more alphanumeric characters in the Encryption Key field.
4. Click Apply.
To access configuration information for SNMPv1 or SNMPv2, click System
SNMP
SNMPv1/v2 and click the page that contains the information to configure.
Interface Naming Convention
The ProSafe® Managed Switches support physical and logical interfaces. Interfaces are
identified by their type and the interface number. The physical ports are gigabit interfaces and
are numbered on the front panel. You configure the logical interfaces by using the software.
Table 2 describes the naming convention for all interfaces available on the switch.
Table 2. Naming Conventions for Interfaces
InterfaceDescriptionExample
PhysicalThe physical ports are gigabit
Ethernet interfaces and are
numbered sequentially starting
from one.
Link Aggregation Group (LAG)LAG interfaces are logical
interfaces that are only used for
bridging functions.
CPU Management InterfaceThis is the internal switch interface
responsible for the switch base
MAC address. This interface is not
configurable and is always listed in
the MAC Address Table.
Routing VLAN InterfacesThis is an interface used for routing
functionality.
1/0/1, 1/0/2, 1/0/3, and so on
lag 1, lag 2, lag 3, and so on
0/5/1
Vlan 1, Vlan 2, Vlan 3, and so on
Chapter : Getting Started |17
Page 18
2. Configuring System Information
Use the features in the System tab to define the switch’s relationship to its environment. The
System tab contains links to the following features:
• Management on page 18
• Device View (See Device View on page 16)
• License on page 45
• Services on page 47
• Stacking on page 72
• SNMP on page 82
• LLDP on page 89
• ISDP on page 105
Management
2
This section describes how to display the switch status and specify some basic switch
information, such as the management interface IP address, system clock settings, and DNS
information. From the Management link, you can access the following pages:
The screen shows the status of the fans in all units. These fans remove the heat generated
by the power, CPU and other chipsets, make chipsets work normally. Fan status has three
possible values: OK, Failure, Not Applicable (NA).
The following table describes the Fan Status information.
FieldDescription
UNIT IDThe unit identifier is assigned to the switch which the
fan belongs to.
FANThe working status of the fan in each unit.
Click REFRESH to refresh the system information of the switch.
Temperature Status
The screen shows the current temperature of the CPU and MACs. The temperature is instant
and can be refreshed when the REFRESH button is pressed. The maximum temperature of
CPU and MACs depends on the actual hardware.
The following table describes the Temperature Status information.
FieldDescription
CPUThe current temperature of the CPU in the switch.
MACThe current temperature of the MACs in the switch.
Click REFRESH to refresh the system information of the switch.
Device Status
The screen shows the software version of each device.
The following table describes the Device Status information.
FieldDescription
Firmware VersionThe release.version.maintenance.build number of
the code currently running on the switch. For
example, if the release was 8, the version was 0, the
maintenance number was 3, and the build number
was 11, the format would be ‘8.0.3.11’.
Boot VersionThe version of the boot code which is in the flash
Packets Received Without ErrorsThe total number of packets (including broadcast
packets and multicast packets) received by the
processor.
Unicast Packets ReceivedThe number of subnetwork-unicast packets delivered
to a higher-layer protocol.
Multicast Packets ReceivedThe total number of packets received that were
directed to a multicast address. Note that this
number does not include packets directed to the
broadcast address.
Broadcast Packets ReceivedThe total number of packets received that were
directed to the broadcast address. Note that this
does not include multicast packets.
Receive Packets DiscardedThe number of inbound packets which were chosen
to be discarded even though no errors had been
detected to prevent their being deliverable to a
higher-layer protocol. A possible reason for
discarding a packet could be to free up buffer space.
Octets TransmittedThe total number of octets transmitted out of the
interface, including framing characters.
Packets Transmitted Without ErrorsThe total number of packets transmitted out of the
interface.
Unicast Packets TransmittedThe total number of packets that higher-level
protocols requested be transmitted to a
subnetwork-unicast address, including those that
were discarded or not sent.
Multicast Packets TransmittedThe total number of packets that higher-level
protocols requested be transmitted to a Multicast
address, including those that were discarded or not
sent.
Broadcast Packets TransmittedThe total number of packets that higher-level
protocols requested be transmitted to the Broadcast
address, including those that were discarded or not
sent.
Transmit Packets DiscardedThe number of outbound packets which were chosen
to be discarded even though no errors had been
detected to prevent their being deliverable to a
higher-layer protocol. A possible reason for
discarding a packet could be to free up buffer space.
Most Address Entries Ever UsedThe highest number of Forwarding Database
Address Table entries that have been learned by this
switch since the most recent reboot.
Address Entries in UseThe number of Learned and static entries in the
Forwarding Database Address Table for this switch.
Maximum VLAN EntriesThe maximum number of Virtual LANs (VLANs)
allowed on this switch.
Most VLAN Entries Ever UsedThe largest number of VLANs that have been active
on this switch since the last reboot.
Static VLAN EntriesThe number of presently active VLAN entries on this
switch that have been created statically.
Dynamic VLAN EntriesThe number of presently active VLAN entries on this
switch that have been created by GVRP registration.
VLAN DeletesThe number of VLANs on this switch that have been
created and then deleted since the last reboot.
Time Since Counters Last ClearedThe elapsed time, in days, hours, minutes, and
seconds, since the statistics for this switch were last
cleared.
Click CLEAR to clear all the counters, resetting all switch summary and detailed statistics to
default values. The discarded packets count cannot be cleared.
Use this page to display the system resources.
To display the System Resource page, click System > Management > System CPU Status. A
screen similar to the following displays.
System CPU Status
The following table describes CPU Memory Status information.
FieldDescription
Total System MemoryThe total memory of the switch in KBytes.
Available MemoryThe available memory space for the switch in
KBytes.
CPU Utilization Information
This page displays the CPU Utilization information, which contains the memory information,
task-related information and percentage of CPU utilization per task.
Use this page to create, configure, and remove Loopback interfaces.
To display the Loopback Interface page, click System > Management > Loopback Interface.
A screen similar to the following displays.
1. Use the Loopback Interface Type field to select IPv4 or IPv6 loopback interface to
configure the corresponding attributes.
2. Use the Loopback ID field to select list of currently configured loopback interfaces.
3. Use the Primary Address field to input the primary IPv4 address for this interface in dotted
decimal notation. This option only visible when IPv4 loopback is selected.
4. Use the Primary Mask field to input the primary IPv4 subnet mask for this interface in dotted
decimal notation. This option only visible when IPv4 loopback is selected.
5. Use the Secondary IP Address field to input the secondary IP address for this interface in
dotted decimal notation. This input field is visible only when 'Add Secondary' is selected.
This option only visible when IPv4 loopback is selected.
6. Use the Secondary Subnet Mask field to input the secondary subnet mask for this interface
in dotted decimal notation. This input field is visible only when 'Add Secondary' is selected.
This option only visible when IPv4 loopback is selected.
7. Use the IPv6 Mode field to enable IPv6 on this interface using the IPv6 address. This option
is only configurable prior to specifying an explicit IPv6 address. This option only visible when
IPv6 loopback is selected.
8. Use the IPv6 Address field to enter the IPv6 address in the format prefix/length. This option
only visible when IPv6 loopback is selected.
9. Use the EUI64 field to optionally specify the 64-bit extended unique identifier (EUI-64). This
option only visible when IPv6 loopback is selected.
From the Network Interface link, you can access the following pages:
• IPv4 Network Configuration on page 30
• IPv6 Network Interface Configuration on page 32
• IPv6 Network Interface Neighbor Table on page 33
IPv4 Network Configuration
To display the IPv4 Network Configuration page, click System > Management > Network
Interface > IPv4 Network Configuration. A screen similar to the following displays.
The network interface is the logical interface used for in-band connectivity with the switch via
any of the switch's front panel ports. The configuration parameters associated with the
switch's network interface do not affect the configuration of the front panel ports through
which traffic is switched or routed
To access the switch over a network you must first configure it with IP information (IP
address, subnet mask, and default gateway). You can configure the IP information using any
of the following:
Once you have established in-band connectivity, you can change the IP information using
any of the following:
• Terminal interface via the EIA-232 port
• Terminal interface via telnet
• SNMP-based management
• Web-based management
1. Use IP Address to specify the IP address of the interface. The factory default value is
169.254.100.100.
2. Use Subnet Mask to enter the IP subnet mask for the interface. The factory default value is
255.255.0.0.
3. Use Default Gateway to specify the default gateway for the IP interface. The factory default
value is 0.0.0.0
4. Use Locally Administered MAC Address to configure a locally administered MAC address
for in-band connectivity instead of using the burned-in universally administered MAC
address. In addition to entering an address in this field, you must also set the MAC address
type to locally administered. Enter the address as twelve hexadecimal digits (6 bytes) with a
colon between each byte. Bit 1 of byte 0 must be set to a 1 and bit 0 to a 0, in other words,
byte 0 must have a value between x'40' and x'7F'.
5. Use MAC Address type to specify whether the burned-in or the locally administered MAC
address should be used for in-band connectivity. The factory default is to use the burned-in
MAC address
6. Use Current Network Configuration Protocol to specify what the switch should do
following power-up: transmit a Bootp request, transmit a DHCP request, or do nothing
(none). The factory default is DHCP.
7. Use DHCP Vendor Class Identifier to enable DHCP VendorId option on the client.
8. Use DHCP Vendor Class Identifier String to specify DHCP VendorId option string on the
client.
9. Use Management VLAN ID to specify the management VLAN ID of the switch. It may be
configured to any value in the range of 1 - 4093. The management VLAN is used for
management of the switch. This field is configurable for administrative users and read-only
for other users.
The following table describes IPv4 Network Configuration information.
FieldDescription
Burned In MAC AddressThe burned-in MAC address used for in-band
connectivity if you choose not to configure a locally
administered address.
To display the IPv6 Network Configuration page, click System > Management > Network
Interface > IPv6 Network Interface Configuration. A screen similar to the following displays.
The IPv6 network interface is the logical interface used for in-band connectivity with the
switch via any of the switch's front panel ports. The configuration parameters associated with
the switch's network interface do not affect the configuration of the front panel ports through
which traffic is switched or routed
To access the switch over an IPv6 network you must first configure it with IPv6 information
(IPv6 prefix, prefix length, and default gateway). You can configure the IP information using
any of the following:
• IPv6 Auto Configuration
• DHCPv6
• Terminal interface via the EIA-232 port
Once you have established in-band connectivity, you can change the IPv6 information using
any of the following:
• Terminal interface via the EIA-232 port
• Terminal interface via telnet
• SNMP-based management
• Web-based management
1. Use Admin Mode to enable or disable the IPv6 network interface on the switch. The
default value is enable.
2. Use IPv6 Address Auto Configuration Mode to set the IPv6 address for the IPv6 network
interface in auto configuration mode if this option is enabled. The default value is disable.
Auto configuration can be enabled only when IPv6 Auto config or DHCPv6 are not enabled
on any of the management interfaces.
3. Use Current Network Configuration Protocol to configure the IPv6 address for the IPv6
network interface by DHCPv6 protocol if this option is enabled. The default value is None.
DHCPv6 can be enabled only when IPv6 Auto config or DHCPv6 are not enabled on any of
the management interfaces.
4. Use DHCPv6 Client DUID to specify an Identifier used to identify the client's unique DUID
value. This option only displays when DHCPv6 is enabled.
5. Use IPv6 Gateway to specify the gateway for the IPv6 network interface. The gateway
address is in IPv6 global or link-local address format.
6. Use IPv6 Prefix/Prefix Length to add the IPv6 prefix and prefix length to the IPv6 network
interface. The address is in global address format.
7. Use EUI64 to specify whether to format the IPv6 address in EUI-64 format. Default value is
false.
8. Click ADD to add a new IPv6 address in global format.
9. Click DELETE to delete a selected IPv6 address.
IPv6 Network Interface Neighbor Table
Use this page to display IPv6 Network Port Neighbor entries.
To display the IPv6 Network Neighbor page, click System > Management > Network
Interface > IPv6 Network Interface Neighbor Table. A screen similar to the following
displays.
The following table displays IPv6 Network Interface Neighbor Table information.
FieldDescription
IPv6 addressThe Ipv6 Address of a neighbor switch visible to the
network interface.
MAC addressThe MAC address of a neighbor switch.
IsRtrTrue(1) if the neighbor machine is a router, false(2)
Neighbor StateThe state of the neighboring switch:
• reachable(1) - The neighbor is reachable by this
switch.
• stale(2) - Information about the neighbor is
scheduled for deletion.
• delay(3) - No information has been received from
neighbor during delay period.
• probe(4) - Switch is attempting to probe for this
neighbor.
• unknown(6) - Unknown status.
Last UpdatedThe last sysUpTime that this neighbor has been
updated.
Time
ProSafe® Managed Switches software supports the Simple Network Time Protocol (SNTP).
You can also set the system time manually
SNTP assures accurate network device clock time synchronization up to the millisecond.
Time synchronization is performed by a network SNTP server. ProSafe® Managed Switches
software operates only as an SNTP client and cannot provide time services to other systems.
Time sources are established by Stratums. Stratums define the accuracy of the reference
clock. The higher the stratum (where zero is the highest), the more accurate the clock. The
device receives time from stratum 1 and above since it is itself a stratum 2 device.
The following is an example of stratums:
• Stratum 0: A real-time clock is used as the time source, for example, a GPS system.
• Stratum 1: A server that is directly linked to a Stratum 0 time source is used. Stratum 1
time servers provide primary network time standards.
• Stratum 2: The time source is distanced from the Stratum 1 server over a network path.
For example, a Stratum 2 server receives the time over a network link, via NTP, from a
Stratum 1 server.
Information received from SNTP servers is evaluated based on the time level and server
type.
SNTP time definitions are assessed and determined by the following time levels:
• T1: Time at which the original request was sent by the client.
• T2: Time at which the original request was received by the server.
• T3: Time at which the server sent a reply.
• T4: Time at which the client received the server's reply.
The device can poll Unicast server types for the server time.
Polling for Unicast information is used for polling a server for which the IP address is known.
SNTP servers that have been configured on the device are the only ones that are polled for
synchronization information. T1 through T4 are used to determine server time. This is the
preferred method for synchronizing device time because it is the most secure method. If this
method is selected, SNTP information is accepted only from SNTP servers defined on the
device using the SNTP Server Configuration page.
The device retrieves synchronization information, either by actively requesting information or
at every poll interval.
SNTP Global Configuration
Use the SNTP Global Configuration page to view and adjust date and time settings.
To display the SNTP Global Configuration page, click System
SNTP stands for Simple Network Time Protocol. As its name suggests, it is a less
complicated version of Network Time Protocol, which is a system for synchronizing the clocks
of networked computer systems, primarily when data transfer is handled via the Internet.
1. Use Client Mode to specify the mode of operation of SNTP Client. An SNTP client may
operate in one of the following modes.
• Disable - SNTP is not operational. No SNTP requests are sent from the client nor are
any received SNTP messages processed.
• Unicast - SNTP operates in a point to point fashion. A unicast client sends a request
to a designated server at its unicast address and expects a reply from which it can
determine the time and, optionally the round-trip delay and local clock offset relative
to the server.
• Broadcast - SNTP operates in the same manner as multicast mode but uses a local
broadcast address instead of a multicast address. The broadcast address has a
single subnet scope while a multicast address has Internet wide scope.
Default value is Disable.
2. Use Port to specify the local UDP port to listen for responses/broadcasts. Allowed range is
1 to 65535. Default value is 123.
3. Use Unicast Poll Interval to specify the number of seconds between unicast poll requests
expressed as a power of two when configured in unicast mode. Allowed range is (6 to 10).
Default value is 6.
4. Use Broadcast Poll Interval to specify the number of seconds between broadcast poll
requests expressed as a power of two when configured in broadcast mode. Broadcasts
received prior to the expiry of this interval are discarded. Allowed range is (6 to 10). Default
value is 6.
5. Use Unicast Poll Timeout to specify the number of seconds to wait for an SNTP response
when configured in unicast mode. Allowed range is (1 to 30). Default value is 5.
6. Use Unicast Poll Retry to specify the number of times to retry a request to an SNTP server
after the first time-out before attempting to use the next configured server when configured in
unicast mode. Allowed range is (0 to 10). Default value is 1.
7. When using SNTP/NTP time servers to update the switch's clock, the time data received
from the server is based on Coordinated Universal Time (UTC) which is the same as
Greenwich Mean Time (GMT). This may not be the time zone in which the switch is located.
Use Time Zone Name to configure a timezone specifying the number of hours and
optionally the number of minutes difference from UTC with Offset Hours and Offset Minutes.
The time zone can affect the display of the current system time. The default value is UTC.
8. Use Offset Hours to specify the number of hours difference from UTC. See Time Zone Name
(
step 7 previous) for more information. Allowed range is (-24 to 24).The default value is 0.
9. Use Offset Minutes to specify the number of Minutes difference from UTC. See Time Zone
Name (
step 7 previous) for more information. Allowed range is 0 to 59. The default value is 0.
The following table displays SNTP Global Status information.
FieldDescription
VersionSpecifies the SNTP Version the client supports.
Supported ModeSpecifies the SNTP modes the client supports.
Multiple modes may be supported by a client.
Last Update TimeSpecifies the local date and time (UTC) the SNTP
client last updated the system clock.
Last Attempt TimeSpecifies the local date and time (UTC) of the last
SNTP request or receipt of an unsolicited message.
Last Attempt StatusSpecifies the status of the last SNTP request or
unsolicited message for both unicast and broadcast
modes. If no message has been received from a
server, a status of Other is displayed. These values
are appropriate for all operational modes.
• Other - None of the following enumeration values.
• Success - The SNTP operation was successful and
the system time was updated.
• Request Timed Out - A directed SNTP request
timed out without receiving a response from the
SNTP server.
• Bad Date Encoded - The time provided by the
SNTP server is not valid.
• Version Not Supported - The SNTP version
supported by the server is not compatible with the
version supported by the client.
• Server Unsynchronized - The SNTP server is not
synchronized with its peers. This is indicated via
the 'leap indicator' field on the SNTP message.
• Server Kiss Of Death - The SNTP server indicated
that no further queries were to be sent to this
server. This is indicated by a stratum field equal to
0 in a message received from a server.
Server IP AddressSpecifies the IP address of the server for the last
received valid packet. If no message has been
received from any server, an empty string is shown.
Address TypeSpecifies the address type of the SNTP Server
address for the last received valid packet.
Server StratumSpecifies the claimed stratum of the server for the
last received valid packet.
Reference Clock IdSpecifies the reference clock identifier of the server
Server ModeSpecifies the mode of the server for the last received
valid packet.
Unicast Server Max EntriesSpecifies the maximum number of unicast server
entries that can be configured on this client.
Unicast Server Current EntriesSpecifies the number of current valid unicast server
entries configured for this client.
Broadcast Count
Specifies the number of unsolicited broadcast SNTP
messages that have been received and processed
by the SNTP client since last reboot.
SNTP Server Configuration
Use the SNTP Server Configuration page to view and modify information for adding and
modifying Simple Network Time Protocol SNTP servers.
To display the SNTP Server Configuration page, click System Management Time SNTP Server Configuration.
To configure a new SNTP Server:
1. Enter the appropriate SNTP server information in the available fields:
• Server Type - Specifies whether the address for the SNTP server is an IP address
(IPv4) or hostname (DNS). Default value is IPv4.
• Address - Specify the address of the SNTP server. This is a text string of up to 64
characters containing the encoded unicast IP address or hostname of a SNTP server.
Unicast SNTP requests will be sent to this address. If this address is a DNS
hostname, then that hostname should be resolved into an IP address each time a
SNTP request is sent to it.
• Port - Enter a port number on the SNTP server to which SNTP requests are sent. The
• Priority - Specify the priority of this server entry in determining the sequence of
servers to which SNTP requests will be sent. The client continues sending requests to
different servers until a successful response is received or all servers are exhausted.
This object indicates the order in which to query the servers. A server entry with a
precedence of 1 will be queried before a server with a priority of 2, and so forth. If
more than one server has the same priority then the requesting order will follow the
lexicographical ordering of the entries in this table. Allowed range is (1 to 3). Default
value is 1.
• Version - Enter the NTP version running on the server. The range is 1–4. The default
is 4.
2. Click Add.
3. Repeat the previous steps to add additional SNTP servers. You can configure up to three
SNTP servers.
4. To removing an SNTP server, select the check box next to the configured server to remove,
and then click Delete. The entry is removed, and the device is updated.
5. To change the settings for an existing SNTP server, select the check box next to the
configured server and enter new values in the available fields, and then click Apply.
Configuration changes take effect immediately.
6. Click Cancel to cancel the configuration on the screen and reset the data on the screen to
the latest value of the switch.
7. Click Refresh to refresh the page with the most current data from the switch.
SNTP Server Status
The SNTP Server Status table displays status information about the SNTP servers
configured on your switch. The following table describes the SNTP Global Status fields.
The following table displays SNTP Server Status information.
FieldDescription
AddressSpecifies all the existing Server Addresses. If no Server
configuration exists, a message saying “No SNTP server
exists” flashes on the screen.
Last Update TimeSpecifies the local date and time (UTC) that the response
from this server was used to update the system clock.
Last Attempt TimeSpecifies the local date and time (UTC) that this SNTP
Last Attempt StatusSpecifies the status of the last SNTP request to this server.
If no packet has been received from this server, a status of
Other is displayed.
• Other - None of the following enumeration values.
• Success - The SNTP operation was successful and the
system time was updated.
• Request Timed Out - A directed SNTP request timed out
without receiving a response from the SNTP server.
• Bad Date Encoded - The time provided by the SNTP
server is not valid.
• Version Not Supported - The SNTP version supported by
the server is not compatible with the version supported by
the client.
• Server Unsynchronized - The SNTP server is not
synchronized with its peers. This is indicated via the 'leap
indicator' field on the SNTP message.
• Server Kiss Of Death - The SNTP server indicated that no
further queries were to be sent to this server. This is
indicated by a stratum field equal to 0 in a message
received from a server.
RequestsSpecifies the number of SNTP requests made to this server
since last agent reboot.
Failed RequestsSpecifies the number of failed SNTP requests made to this
You can use these pages to configure information about DNS servers the network uses and
how the switch operates as a DNS client.
DNS Configuration
Use this page to configure global DNS settings and DNS server information.
To access this page, click System
To configure the global DNS settings:
1. Specify whether to enable or disable the administrative status of the DNS Client.
• Enable - Allow the switch to send DNS queries to a DNS server to resolve a DNS
domain name. Default value is Enable.
• Disable - Prevent the switch from sending DNS queries.
Management DNS DNS Configuration.
2. Enter the DNS default domain name to include in DNS queries. When the system is
performing a lookup on an unqualified hostname, this field is provided as the domain name
(for example, if default domain name is netgear.com and the user enters test, then test is
changed to test.netgear.com to resolve the name). The length of the name should not be
longer than 255 characters.
3. Use Retry Number to specify the number of times to retry sending DNS queries to DNS
server. This number ranges from 0 to 100. The default value is 2.
4. Use Response Timeout (secs) to specify the amount of time, in seconds, to wait for a
response to a DNS query. This timeout ranges from 0 to 3600. The default value is 3.
5. To specify the DNS server to which the switch sends DNS queries, enter an IP address in
standard IPv4 dot notation in the DNS Server Address and click Add. The server appears
in the list below. You can specify up to eight DNS servers. The precedence is set in the
order created.
3. Click Add. The entry appears in the list below.
4. To remove an entry from the static DNS table, select the check box next to the entry and
click Delete.
5. To change the hostname or IP address in an entry, select the check box next to the entry
and enter the new information in the appropriate field, and then click Apply.
6. Click Cancel to cancel the configuration on the screen and reset the data on the screen to
the latest value of the switch.
The Dynamic Host Mapping table shows host name-to-IP address entries that the switch has
learned. The following table describes the dynamic host fields.
FieldDescription
Host Lists the host name you assign to the specified IP address.
TotalAmount of time since the dynamic entry was first added to the table.
ElapsedAmount of time since the dynamic entry was last updated.
TypeThe type of the dynamic entry.
AddressesLists the IP address associated with the host name.
SDM Template Preference
You can use this page to configure SDM template preferences for the switch.
To access this page, click System
To configure the SDM Template Preference settings:
1. Use SDM Next Template ID to configure the next active template. It will be active only
after the next reboot. To revert to the default template after the next reboot, use the
Default option. Possible values are:
The License link is available only for models XSM7224S, GSM7328Sv1, GSM7352Sv1,
GSM7328FS, GSM7228PS, and GSM7252PS.
From the License link, you can access the following pages:
• License Key on page 45
• License Features on page 46
License Key
To display the License Key page, click System > License > LicenseKey. A screen similar to
the following displays.
This page provides information about available License Keys for various features. By default
those License Keys are not available. If License Key for feature is not available, user will not
be allowed to configure this functionality. Available License Key allows user to configure
functionality.
The following table describes the License Key fields.
FieldDescription
License dateThe date the license is purchased.
License copyThe information about the number of license.
License StatusShow whether License is Active/Inactive. “Inactive”
means that user should download a license file and
reboot a system
From the Services link, you can access the following pages:
• DHCP Server on page 47
• DHCP Relay on page 56
• DHCP L2 Relay on page 57
• UDP Relay on page 60
• DHCPv6 Server on page 63
• DHCPv6 Relay on page 71
DHCP Server
From the DHCP Server link, you can access the following pages:
• DHCP Server Configuration on page 47
• DHCP Pool Configuration on page 49
• DHCP Pool Options on page 52
• DHCP Server Statistics on page 53
• DHCP Bindings Information on page 54
• DHCP Conflicts Information on page 55
DHCP Server Configuration
To display the DHCP Server Configuration page, click System > Services > DHCP Server>
DHCP Server Configuration. A screen similar to the following displays.
To display the DHCP Pool Configuration page, click System > Services > DHCP Server>
DHCP Pool Configuration. A screen similar to the following displays.
The following table describes the DHCP Pool Configuration fields.
Pool Name*For a user with read/write permission, this field would
show names of all the existing pools along with an
additional option “Create”. When the user selects
“Create” another text box “Pool Name” appears
where the user may enter name for the Pool to be
created. For a user with read only permission, this
field would show names of the existing pools only.
Pool NameThis field appears when the user with read-write
permission has selected “Create” in the Drop Down
list against Pool Name*. Specifies the Name of the
Pool to be created. Pool Name can be up to 31
characters in length.
Type of BindingSpecifies the type of binding for the pool.
• Unallocated
• Dynamic
• Manual
Network AddressSpecifies the subnet address for a DHCP address of
a dynamic pool.
Network MaskSpecifies the subnet number for a DHCP address of
a dynamic pool. Either Network Mask or Prefix
Length can be configured to specify the subnet mask
but not both.
Network Prefix LengthSpecifies the subnet number for a DHCP address of
a dynamic pool. Either Network Mask or Prefix
Length can be configured to specify the subnet mask
but not both. Valid Range is (0 to 32)
Client NameSpecifies the Client Name for DHCP manual Pool.
Hardware AddressSpecifies the MAC address of the hardware platform
of the DHCP client.
Hardware Address TypeSpecifies the protocol of the hardware platform of the
DHCP client. Valid types are ethernet and ieee802.
Default value is ethernet.
Client IDSpecifies the Client Identifier for DHCP manual Pool.
Host NumberSpecifies the IP address for a manual binding to a
DHCP client. Host can be set only if at least one
among of Client Identifier or Hardware Address is
specified. Deleting Host would delete Client Name,
Client ID, Hardware Address for the Manual Pool and
set the Pool Type to Unallocated.
Host MaskSpecifies the subnet mask for a manual binding to a
DHCP client. Either Host Mask or Prefix Length can
be configured to specify the subnet mask but not
both.
Host Prefix LengthSpecifies the subnet mask for a manual binding to a
DHCP client. Either Host Mask or Prefix Length can
be configured to specify the subnet mask but not
both. Valid Range is (0 to 32)
Lease TimeCan be selected as “Infinite” to specify lease time as
Infinite or “Specified Duration” to enter a specific
lease period. In case of dynamic binding infinite
implies a lease period of 60 days and In case of
manual binding infinite implies indefinite lease
period. Default Value is “Specified Duration”.
DaysSpecifies the Number of Days of Lease Period. This
field appears only if the user has specified “Specified
Duration” as the Lease time. Default Value is 1. Valid
Range is (0 to 59)
HoursSpecifies the Number of Hours of Lease Period. This
field appears only if the user has specified “Specified
Duration” as the Lease time. Valid Range is (0 to 22)
MinutesSpecifies the Number of Minutes of Lease Period.
This field appears only if the user has specified
“Specified Duration” as the Lease time. Valid Range
is (0 to 86399)
Default Router AddressesSpecifies the list of Default Router Addresses for the
pool. The user may specify up to 8 Default Router
Addresses in order of preference.
DNS Server AddressesSpecifies the list of DNS Server Addresses for the
pool. The user may specify up to 8 DNS Server
Addresses in order of preference.
NetBIOS Name Server AddressesSpecifies the list of NetBIOS Name Server
Addresses for the pool. The user may specify up to 8
NetBIOS Name Server Addresses in order of
preference.
NetBIOS Node TypeSpecifies the NetBIOS node type for DHCP clients:
• b-node Broadcast
• p-node Peer-to-Peer
• m-node Mixed
• h-node Hybrid
Next Server AddressSpecifies the Next Server Address for the pool.
Domain NameSpecifies the domain name for a DHCP client.
Domain Name can be up to 255 characters in length.
BootfileSpecifies the name of the default boot image for a
DHCP client. File Name can be up to 128 characters
in length.
DHCPINFORMSpecifies the number of DHCPINFORM messages
received by the DHCP Server.
DHCPOFFERSpecifies the number of DHCPOFFER messages
sent by the DHCP Server.
DHCPACKSpecifies the number of DHCPACK messages sent
by the DHCP Server.
DHCPNAKSpecifies the number of DHCPNAK messages sent
by the DHCP Server.
DHCP Bindings Information
To display the DHCP Bindings Information page, click System > Services > DHCP Server>
DHCP Bindings Information. A screen similar to the following displays.
1. Choose:
• All Dynamic Bindings to specify all dynamic bindings to be deleted.
• Specific Dynamic Binding to specify specific dynamic binding to be deleted.
The following table describes the DHCP Bindings Information fields.
FieldDescription
IP AddressSpecifies the Client's IP Address.
Hardware AddressSpecifies the Client's Hardware Address.
Lease Time LeftSpecifies the Lease time left in Days, Hours and
Minutes dd:hh:mm format.
TypeSpecifies the Type of Binding: Dynamic / Manual.
To display the DHCP Conflicts Information page, click System > Services > DHCP Server>
DHCP Conflicts Information. A screen similar to the following displays.
1. Choose:
• All Address Conflicts to specify all address conflicts to be deleted.
• Specific Address Conflict to specify a specific dynamic binding to be deleted.
The following table describes the DHCP Conflicts Information fields.
FieldDescription
IP AddressSpecifies the IP Address of the host as recorded on
the DHCP server.
Detection MethodSpecifies the manner in which the IP address of the
hosts were found on the DHCP Server.
Detection TimeSpecifies the time when the conflict was detected in
N days NNh:NNm:NNs format with respect to the
system up time.
To display the DHCP Relay page, click System > Services> DHCP Relay. A screen similar to
the following displays.
DHCP Relay Configuration
1. Use Maximum Hop Count to enter the maximum number of hops a client request can
take before being discarded. The range is (1 to 16). The default value is 4.
2. Use Admin Mode to select enable or disable radio button. When you select 'enable' DHCP
requests will be forwarded to the IP address you entered in the 'Server Address' field.
3. Use Minimum Wait Time to enter a Minimum Wait Time in seconds. This value will be
compared to the time stamp in the client's request packets, which should represent the time
since the client was powered up. Packets will only be forwarded when the time stamp
exceeds the minimum wait time. The range is (0 to 100).
4. Use Circuit ID Option Mode to enable or disable Circuit ID Option mode. If you select
'enable' Relay Agent options will be added to requests before they are forwarded to the
server and removed from replies before they are forwarded to clients.
DHCP Relay Status
The following table describes the DHCP Relay Status fields.
FieldDescription
Requests ReceivedThe total number of DHCP requests received from all
Requests RelayedThe total number of DHCP requests forwarded to the
server since the last time the switch was reset.
Packets Discarded
The total number of DHCP packets discarded by this
Relay Agent since the last time the switch was reset.
DHCP L2 Relay
From the DHCP L2 Relay link, you can access the following pages:
• DHCP L2 Relay Global Configuration on page 57
• DHCP L2 Relay Interface Configuration on page 58
• DHCP L2 Relay Interface Statistics on page 59
DHCP L2 Relay Global Configuration
To display the DHCP L2 Relay Global Configuration page, click System > Services > DHCP
L2 Relay> DHCP L2 Relay Global Configuration. A screen similar to the following displays.
DHCP L2 Relay Global Configuration
1. Use Admin Mode to enable or disable the DHCP L2 Relay on the switch. The default is
Disable.
DHCP L2 Relay VLAN Configuration
1. VLAN ID shows the VLAN ID configured on the switch.
2. Use Admin Mode to enable or disable the DHCP L2 Relay on the selected VLAN.
3. Use Circuit ID Mode to enable or disable the Circuit ID suboption of DHCP Option-82.
4. Use Remote ID String to specify the Remote ID when Remote ID mode is enabled.
To display the DHCP L2 Relay Interface Configuration page, click System > Services >
DHCP L2 Relay> DHCP L2 Relay Interface Configuration. A screen similar to the following
displays.
1. Use Admin Mode to enable or disable the DHCP L2 Relay on the selected interface.
Default is disable.
2. Use 82 Option Trust Mode to enable or disable an interface to be trusted for DHCP L2
To display the DHCP L2 Relay Interface Statistics page, click System > Services > DHCP L2
Relay> DHCP L2 Relay Interface Statistics. A screen similar to the following displays.
The following table describes the DHCP L2 Relay Interface Statistics fields.
FieldDescription
InterfaceShows the interface from which the DHCP message
is received.
UntrustedServerMsgsWithOpt82Shows the number of DHCP message with option82
received from an untrusted server.
UntrustedClientMsgsWithOpt82Shows the number of DHCP message with option82
TrustedServerMsgsWithoutOpt82Shows the number of DHCP message without
option82 received from a trusted server.
TrustedClientMsgsWithoutOpt82
Shows the number of DHCP message without
option82 received from a trusted client.
UDP Relay
From the UDP Relay link, you can access the following pages:
• UDP Relay Global Configuration on page 60
• UDP Relay Interface Configuration on page 61
UDP Relay Global Configuration
To display the UDP Relay Global Configuration page, click System > Services > UDP Relay>
UDP Relay Global Configuration. A screen similar to the following displays.
1. Use Admin Mode to enable or disable the UDP Relay on the switch. The default value
is disable.
2. Use Server Address to specify the UDP Relay Server Address in x.x.x.x format.
3. Use UDP Port to specify the UDP Destination Port. These ports are supported:
• DefaultSet - Relay UDP port 0 packets. This is specified if no UDP port is selected
when creating the Relay server.
• dhcp -Relay DHCP (UDP port 67) packets.
• domain - Relay DNS (UDP port 53) packets.
• isakmp - Relay ISAKMP (UDP port 500) packets.
• mobile-ip - Relay Mobile IP (UDP port 434) packets
• nameserver - Relay IEN-116 Name Service (UDP port 42) packets
• netbios-dgm - Relay NetBIOS Datagram Server (UDP port 138) packets
• netbios-ns - Relay NetBIOS Name Server (UDP port 137) packets
• ntp - Relay network time protocol (UDP port 123) packets.
• pim-auto-rp - Relay PIM auto RP (UDP port 496) packets.
• rip - Relay RIP (UDP port 520) packets
• tacacs - Relay TACACS (UDP port 49) packet
• tftp - Relay TFTP (UDP port 69) packets
• time - Relay time service (UDP port 37) packets
• Other - If this option is selected, the UDP Port Other Value is enabled. This option
permits a user to enter their own UDP port in UDP Port Other Value.
4. Use UDP Port Other Value to specify a UDP Destination Port that lies between 0 and
65535.
5. Click ADD to create an entry in UDP Relay Table with the specified configuration.
6. Click DELETE to remove all entries or a specified one from UDP Relay Table.
The following table describes the UDP Relay Global Configuration fields.
FieldDescription
Hit CountShow the number of UDP packets hitting the UDP
port
UDP Relay Interface Configuration
To display the UDP Relay Interface Configuration page, click System > Services > UDP
Relay> UDP Relay Interface Configuration. A screen similar to the following displays.
1. Use Interface to select an Interface to be enabled for the UDP Relay.
2. Use Server Address to specify the UDP Relay Server Address in x.x.x.x format.
3. Use UDP Port to specify UDP Destination Port. The following ports are supported:
• DefaultSet - Relay UDP port 0 packets. This is specified if no UDP port is selected
DHCP is generally used between clients (e.g., hosts) and servers (e.g., routers) for the
purpose of assigning IP addresses, gateways, and other networking definitions such as DNS,
NTP, and/or SIP parameters. However, IPv6 natively provides for auto configuration of IP
addresses through IPv6 Neighbor Discovery Protocol (NDP) and the use of Router
Advertisement messages. Thus, the role of DHCPv6 within the network is different than that
of DHCPv4 in that it is less relied upon for IP address assignment.
From the DHCPv6 Server link, you can access the following pages:
• DHCPv6 Server Configuration on page 63
• DHCPv6 Pool Configuration on page 64
• DHCPv6 Prefix Delegation Configuration on page 65
• DHCPv6 Interface Configuration on page 67
• DHCPv6 Bindings Information on page 68
• DHCPv6 Server Statistics on page 69
DHCPv6 Server Configuration
To display the DHCPv6 Server Configuration page, click System > Services > DHCPv6
Server> DHCPv6 Server Configuration. A screen similar to the following displays.
1. Use Admin Mode to specify DHCPv6 operation on the switch. Value is enabled or
disabled.
FieldDescription
DHCPv6 Server DUIDSpecifies the DHCPv6 Server DUID.
DHCP for IPv6 clients are connected to a server which is configured to use parameters from
a pool that you set up. The pool is identified with a pool name, and contains IPv6 addresses
and domain names of DNS servers.
Use the Pool Configuration page to create a pool and/or configure pool parameters.
To display the DHCPv6 Pool Configuration page, click System > Services > DHCPv6
Server> DHCPv6 Pool Configuration. A screen similar to the following displays.
1. Pool Name - For a user with read/write permission, this field would show names of all
the existing pools along with an additional option “Create”. When the user selects
“Create” another text box “Pool Name” appears where the user may enter name for the
Pool to be created. For a user with read only permission, this field would show names of
the existing pools only.
2. Use Pool Name to specify a unique name for DHCPv6 pool. It may be up to 31
1. Use Domain Name to specify a DNS domain server name. It may be up to 255
alphanumeric characters.
2. Use DNS Server Address to specify the IPv6 address of a DNS server.
DHCPv6 Prefix Delegation Configuration
Use the Prefix Delegation Configuration page to configure a delegated prefix for a pool. At
least one pool must be created before a delegated prefix can be configured.
To display the DHCPv6 Prefix Delegation Configuration page, click System > Services >
DHCPv6 Server> DHCPv6 Prefix Delegation Configuration. A screen similar to the following
displays.
Use the DHCPv6 Interface Configuration page to configure a DHCPv6 interface.
To display the DHCPv6 Prefix Delegation Configuration page, click System > Services >
DHCPv6 Server> DHCPv6 Interface Configuration. A screen similar to the following
displays.
1. Use Interface to specify the interface configured for DHCPv6 server functionality.
2. Use Admin Mode to specify DHCPv6 mode to configure server functionality. DHCPv6
server and DHCPv6 relay functions are mutually exclusive.
3. Use Pool Name to specify the DHCPv6 pool containing stateless and/or prefix delegation
parameters.
4. Use the optional Rapid Commit parameter to allow abbreviated exchange between the
client and server.
5. Use Preference to specify the preference value used by clients to determine preference
between multiple DHCPv6 servers. The values allowed are between 0 to 4294967295. The
default value is 0.
DHCPv6 Bindings Information
Use the DHCPv6 Bindings Information page to display all DHCPv6 server bindings.
To display the DHCPv6 Bindings Information page, click System > Services > DHCPv6
Server> DHCPv6 Bindings Information. A screen similar to the following displays.
The following table describes the DHCPv6 Bindings Information fields.
FieldDescription
Client AddressSpecifies the IPv6 address of the client associated
with the binding.
Client InterfaceSpecifies the interface number where the client
Use the DHCPv6 Server Statistics page to display DHCPv6 statistics for one or all interfaces.
To display the DHCPv6 Server Statistics page, click System > Services > DHCPv6 Server>
DHCPv6 Server Statistics. A screen similar to the following displays.
1. Use Interface to select the interface for which data is to be displayed or configured. On
selecting all, data will be shown for all interfaces.
The following table describes the DHCPv6 Server Statistics fields.
4. Use Destination IP Address to specify an IPv6 Address to reach a relay server.
5. Use Remote ID to specify the relay agent information option. Remote ID needs to be
derived from the DHCPv6 server DUID and the relay interface number, or it can be specified
as a user defined string.
Stacking
From the Stacking link, you can access the following pages:
• Basic on page 72
• Advanced on page 74
• NSF on page 79
Basic
From the Basic link, you can access the following pages:
• Stack Configuration on page 72
Stack Configuration
This page moves the Primary Management Unit functionality from one unit to another. Upon
execution, the entire stack (including all interfaces in the stack) is unconfiugred and
reconfigured with the configuration on the new Primary Management Unit. After the reload is
complete, all stack management capability must be performed on the new Primary
Management Unit. To preserve the current configuration across a stack move, save the
current configuration to the NVRAM before performing the stack move. A stack move causes
all routes and layer 2 addresses to be lost. The administrator is prompted to confirm the
management move.
To display the Stack Configuration page, click System > Stacking > Basic> Stack
Configuration. A screen similar to the following displays.
1. Use Management Unit Selected to select the unit to be managed unit and click APPLY
2. Unit ID displays the list of units of the stack. Details of the selected unit are displayed. There
is also an ADD option visible only to Admin users which can be used to pre-configure new
members of the stack.
3. Use Switch Type to specify the type of switch hardware when creating a new switch in the
stack.
4. Admin Management Preference is a 2-byte field that indicates whether the administrator
wants this unit to become a management unit in preference to another unit. The default
value for this setting is one. If the preference level is set to zero then the device cannot
become a management unit. This field is non-configurable for users with read-only access.
5. Click ADD to add a unit to the stack with the specific switch type.
6. Click DELETE to remove the selected unit from the stack.
The following table describes the Stack Configuration fields.
FieldDescription
Hardware Management PreferenceThe hardware management preference of the switch.
The hardware management preference can be
disabled or unassigned.
Switch StatusDisplays the status of the selected unit. The possible
values are:
• OK
• Unsupported
• Code Mismatch
• Config Mismatch
• Not Present
Management StatusDisplays whether the selected switch is the
management unit or a normal stacking member or on
standby.
The following table describes the Basic Stack Status fields.
FieldDescription
Unit IDUnit Id of the specific switch.
Switch DescriptionThe description for the unit can be configured by the
user.
Serial NumberThe unique box serial number for this switch.
Up TimeDisplays the relative time since the last reboot of the
switch.
Configured Model IdentifierThis field displays the model type assigned by the
Plugged-in Model IdentifierThis field displays the model type assigned by the
device manufacturer to identify the plugged-in
device.
Expected Code TypeThis field indicates the expected code type on this
unit.
Running Code VersionThis field indicates the detected version of code on
this unit.
Code Version in Flash
Displays the Release number and version number of
the code stored in flash.
Click REFRESH to update the information on the page.
Advanced
From the Advanced link, you can access the following pages:
• Stack Configuration on page 72
• Stack Port Configuration on page 76
• Stack Port Diagnostics on page 78
Stack Configuration
This page moves the Primary Management Unit functionality from one unit to another. Upon
execution, the entire stack (including all interfaces in the stack) is unconfiugred and
reconfigured with the configuration on the new Primary Management Unit. After the reload is
complete, all stack management capability must be performed on the new Primary
Management Unit. To preserve the current configuration across a stack move, please save
the current configuration to the nvram before performing the stack move. A stack move
causes all routes and layer 2 addresses to be lost. The administrator is prompted to confirm
the management move.
To display the Stack Configuration page, click System > Stacking > Advanced> Stack
Configuration. A screen similar to the following displays.
1. Use Management Unit Selected to select the unit to be managed unit and click APPLY
to move the management to the selected unit.
2. Unit ID - Displays the list of units of the stack. Details of the selected unit are displayed.
There is also an ADD option visible only to Admin users which can be used to pre-configure
new members of the stack.
3. Use Switch Type to specify the type of switch hardware when creating a new switch in the
stack.
4. Admin Management Preference is a 2-byte field that indicates whether the administrator
wants this unit to become a management unit in preference to another unit. The default
value for this setting is one. If the preference level is set to zero then the device cannot
become a management unit. This field is non-configurable for users with read-only access.
5. Click ADD to add a unit to the stack with the specific switch type.
6. Click DELETE to remove the selected unit from the stack.
The following table describes the Stack Configuration fields.
FieldDescription
Hardware Management PreferenceThe hardware management preference of the switch.
The hardware management preference can be
disabled or unassigned.
Switch StatusDisplays the status of the selected unit. The possible
values are:
• OK
• Unsupported
• Code Mismatch
• Config Mismatch
• Not Present
Management StatusDisplays whether the selected switch is the
management unit or a normal stacking member or on
standby.
Stack Status
The following table describes the Stack Status fields.
FieldDescription
Unit IDUnit Id of the specific switch.
Switch DescriptionThe description for the unit can be configured by the
user.
Serial NumberThe unique box serial number for this switch.
Up TimeDisplays the relative time since the last reboot of the
Configured Model IdentifierThis field displays the model type assigned by the
device manufacturer to identify the device.
Plugged-in Model Identifier This field displays the model type assigned by the
device manufacturer to identify the plugged-in
device.
Expected Code TypeThis field indicates the expected code type on this
unit.
Running Code VersionThis field indicates the detected version of code on
this unit.
Code Version in FlashDisplays the Release number and version number of
the code stored in flash.
Stack Port Configuration
To display the Stack Port Configuration page, click System > Stacking > Advanced> Stack
Port Configuration. A screen similar to the following displays.
1. Configured Stack Mode - Specify the operating mode of the port to be either ethernet or
stacking. The default value is set to stacking.
The following table describes Stack Port Configuration fields.
FieldDescription
Unit IDDisplays the unit.
PortDisplays the stackable interfaces on the given unit.
Running Stack ModeDisplays the run-time mode of the stackable
This page displays the diagnostics for all the stackable interfaces in the given stack.
To display the Stack Port Diagnostics page, click System > Stacking > Advanced> Stack
Port Diagnostics. A screen similar to the following displays.
The following table describes the Stack Port Diagnostics fields.
2. Use Admin Status to enable or disable the NSF feature on the stack. When this command
is invoked, the stack selects a backup unit. Applications on the management unit copy data
to the backup unit.
3. Click INITIATE FAILOVER to cause the master unit to fail over to the backup unit.
4. Click REFRESH to refresh the data on the page.
5. Click APPLY to update the switch with the values on the screen. It is saved persistently
as soon as submit the change.
The following table describes the NSF Summary fields.
FieldDescription
Operational StatusIndicates whether NSF is enabled on the stack.
Last Startup ReasonThe type of activation that caused the software to
start the last time. The possible values are:
• Power On - This means that the switch re-booted.
This could have been caused by a power cycle or
an administrative "Reload" command.
• Cold Admin Move - This means that the system
resets all hardware tables without a reboot and the
application begins from a pre-initialized state, but
no data is retained from before the failover.
• Warm Admin Move - This means that the
administrator issued a command for the stand-by
manager to take over.
• Auto Warm - This means that the primary
management card restarted due to a failure, and
the system executed a nonstop forwarding failover.
• Auto Cold - This means that the system switched
from the active manager to the backup manager
and was unable to maintain user data traffic. This
is usually caused by multiple failures occurring
close together.
Time Since Last RestartTime since the current management card became
the active management card. For backup manager
the value is set to 0d 00:00:00.
Restart In ProgressWhether a restart is in progress. A restart is not
considered complete until all hardware tables have
been fully reconciled.
Warm Restart ReadyIndicates whether the initial full checkpoint has
finished.
StatusStatus of copying running configuration to backup
units.
Backup Configuration AgeIndicates the time since the running configuration
From SNMP link under the System tab, you can configure SNMP settings for SNMP V1/V2
and SNMPv3.
From the SNMP link, you can access the following pages:
• SNMPV1/V2 on page 82
• SNMP V3 on page 88
SNMPV1/V2
The pages under the SNMPV1/V2 menu allow you to configure SNMP community
information, traps, and trap flags.
From the SNMP V1/V2 link, you can access the following pages:
• Community Configuration on page 82
• Trap Configuration on page 84
• Trap Flags on page 85
• Supported MIBs on page 87
Community Configuration
By default, two SNMP Communities exist:
• Private, with Read/Write privileges and status set to Enable.
• Public, with Read Only privileges and status set to Enable.
These are well-known communities. Use this page to change the defaults or to add other
communities. Only the communities that you define using this page will have access to the
switch using the SNMPv1 and SNMPv2c protocols. Only those communities with read/write
level access can be used to change the configuration using SNMP.
Use this page when you are using the SNMPv1 and SNMPv2c protocol. If you want to use
SNMP v3 you should use the User Accounts menu.
To display this page, click System SNMP SNMP V1/V2 Community Configuration. A
screen similar to the following displays.
1. Use Community Name to reconfigure an existing community, or to create a new one.
Use this pull-down menu to select one of the existing community names, or select
'Create' to add a new one. A valid entry is a case-sensitive string of up to 16 characters.
2. Client Address - Taken together, the Client Address and Client IP Mask denote a range of
IP addresses from which SNMP clients may use that community to access this device. If
either (Client Address or IP Mask) value is 0.0.0.0, access is allowed from any IP address.
Otherwise, every client's address is ANDed with the mask, as is the Client Address, and, if
the values are equal, access is allowed. For example, if the Client Address and Client IP
Mask parameters are 192.168.1.0/255.255.255.0, then any client whose address is
192.168.1.0 through 192.168.1.255 (inclusive) will be allowed access. To allow access from
only one station, use a Client IP Mask value of 255.255.255.255, and use that machine's IP
address for Client Address.
3. Client IP Mask - Taken together, the Client Address and Client IP Mask denote a range of
IP addresses from which SNMP clients may use that community to access this device. If
either (Client Address or IP Mask) value is 0.0.0.0, access is allowed from any IP address.
Otherwise, every client's address is ANDed with the mask, as is the Client Address, and, if
the values are equal, access is allowed. For example, if the Client Address and Client IP
Mask parameters are 192.168.1.0/255.255.255.0, then any client whose IP address is
192.168.1.0 through 192.168.1.255 (inclusive) will be allowed access. To allow access from
only one station, use a Client IP Mask value of 255.255.255.255, and use that machine's IP
address for Client Address.
4. Use Access Mode to specify the access level for this community by selecting Read/Write or
Read Only from the pull-down menu.
5. Use Status to specify the status of this community by selecting Enable or Disable from the
pull-down menu. If you select enable, the Community Name must be unique among all valid
Community Names or the set request will be rejected. If you select disable, the Community
Name will become invalid.
6. Click ADD to add the currently selected community to the switch.
7. Click DELETE to delete the currently selected Community Name.
This page displays an entry for every active Trap Receiver. To access this page, click System
SNMP SNMP V1/V2 Trap Configuration.
1. To add a host that will receive SNMP traps, enter trap configuration information in the
available fields described below, and then click Add.
a. Community Name - Enter the community string for the SNMP trap packet to be sent
to the trap manager. This may be up to 16 characters and is case sensitive.
b. Version - Select the trap version to be used by the receiver from the pull down
menu:
• SNMP v1 - Uses SNMP v1 to send traps to the receiver.
• SNMP v2 - Uses SNMP v2 to send traps to the receiver.
c. Protocol - Select the protocol to be used by the receiver from the pull down menu.
Select the IPv4 if the receiver's address is IPv4 address or IPv6 if the receiver's
address is IPv6.
d. Address - Enter the IPv4 address in x.x.x.x format or IPv6 address in
xxxx:xxxx:xxxx:xxxxx:xxxx:xxxx:xxxx:xxxx or a hostname starting with an alphabet to
receive SNMP traps from this device. Length of address can not exceed 158
characters.
e. Status - Select the receiver's status from the pull-down menu:
• Enable - Send traps to the receiver
• Disable - Do not send traps to the receiver.
2. To modify information about an existing SNMP recipient, select the check box next to the
recipient, change the desired fields, and then click Apply. Configuration changes take effect
immediately.
3. To delete a recipient, select the check box next to the recipient and click Delete.
4. Click Cancel to cancel the configuration on the screen and reset the data on the screen to
Use the Trap Flags page to enable or disable traps. When the condition identified by an
active trap is encountered by the switch, a trap message is sent to any enabled SNMP Trap
Receivers, and a message is written to the trap log.
1. Use Authentication to enable or disable activation of authentication failure traps by
selecting the corresponding radio button. The factory default is enabled.
2. Use Link Up/Down to enable or disable activation of link status traps by selecting the
corresponding radio button. The factory default is enabled.
3. Use Multiple Users to enable or disable activation of multiple user traps by selecting the
corresponding radio button. The factory default is enabled. This trap is triggered when the
same user ID is logged into the switch more than once at the same time (either via telnet or
the serial port).
4. Use Spanning Tree to enable or disable activation of spanning tree traps by selecting the
corresponding radio button. The factory default is enabled.
5. Use ACL to enable or disable activation of ACL traps by selecting the corresponding radio
button. The factory default is disabled.
6. Use DVMRP to enable or disable activation of DVMRP traps by selecting the corresponding
radio button. The factory default is disabled.
7. Use PIM to enable or disable activation of spanning tree traps by selecting the
corresponding radio button. The factory default is disabled.
8. Use OSPF to enable or disable activation of OSPF traps by selecting the corresponding
radio button. The factory default is enabled. This field can be configured only if the OSPF
admin mode is enabled.
9. Click CANCEL to cancel the configuration on the screen. Resets the data on the screen to
the latest value of the switch.
10. Click APPLY to send the updated configuration to the switch. Configuration changes take
• If you select MD5 or SHA, the user login password will be used as the SNMPv3
authentication password, and you must therefore specify a password, and it must be
eight characters long.
4. Use Encryption Protocol to specify the SNMPv3 Encryption Protocol setting for the
selected user account. The valid Encryption Protocols are None or DES:
• If you select the DES Protocol you must enter a key in the Encryption Key field.
• If None is specified for the Protocol, the Encryption Key is ignored.
5. Encryption Key - If you selected DES in the Encryption Protocol field enter the SNMPv3
Encryption Key here, otherwise, this field is ignored. Valid keys are 0 to 15 characters long.
The Apply checkbox must be checked in order to change the Encryption Protocol and
Encryption Key.
6. Click CANCEL to cancel the configuration on the screen. Resets the data on the screen to
the latest value of the switch.
7. Click APPLY to send the updated configuration to the switch. Configuration changes take
effect immediately.
LLDP
The IEEE 802.1AB-defined standard, Link Layer Discovery Protocol (LLDP), allows stations
on an 802 LAN to advertise major capabilities and physical descriptions. This information is
viewed by a network manager to identify system topology and detect bad configurations on
the LAN.
From the LLDP link, you can access the following pages:
• LLDP on page 90
• LLDP-MED on page 97
LLDP is a one-way protocol; there are no request/response sequences. Information is
advertised by stations implementing the transmit function, and is received and processed by
stations implementing the receive function. The transmit and receive functions can be
enabled/disabled separately per port. By default, both transmit and receive are disabled on
all ports. The application is responsible for starting each transmit and receive state machine
appropriately, based on the configured status and operational state of the port.
The Link Layer Discovery Protocol-Media Endpoint Discovery (LLDP-MED) is an
enhancement to LLDP with the following features:
• Auto-discovery of LAN policies (such as VLAN, Layer 2 Priority, and DiffServ settings),
enabling plug and play networking.
• Device location discovery for creation of location databases.
• Extended and automated power management of Power over Ethernet endpoints.
• Inventory management, enabling network administrators to track their network devices
and determine their characteristics (manufacturer, software and hardware versions,
serial/asset number).
Last UpdateSpecifies the time when an entry was created,
modified or deleted in the tables associated with the
remote system.
Total InsertsSpecifies the number of times the complete set of
information advertised by a particular MAC Service
Access Point (MSAP) has been inserted into tables
associated with the remote systems.
Total DeletesSpecifies the number of times the complete set of
information advertised by a particular MAC Service
Access Point (MSAP) has been deleted from tables
associated with the remote systems.
Total DropsSpecifies the number of times the complete set of
information advertised by a particular MAC Service
Access Point (MSAP) could not be entered into
tables associated with the remote systems because
of insufficient resources.
Total Age outsSpecifies the number of times the complete set of
information advertised by a particular MAC Service
Access Point (MSAP) has been deleted from tables
associated with the remote systems because the
information timeliness interval has expired.
InterfaceSpecifies the unit/slot/port for the interfaces.
Transmit TotalSpecifies the number of LLDP frames transmitted by
the LLDP agent on the corresponding port.
Receive TotalSpecifies the number of valid LLDP frames received
by this LLDP agent on the corresponding port, while
the LLDP agent is enabled.
DiscardsSpecifies the number of LLDP TLVs discarded for
any reason by the LLDP agent on the corresponding
port.
ErrorsSpecifies the number of invalid LLDP frames
received by the LLDP agent on the corresponding
port, while the LLDP agent is enabled.
Age outsSpecifies the number of age-outs that occurred on a
given port. An age-out is the number of times the
complete set of information advertised by a particular
MAC Service Access Point (MSAP) has been
deleted from tables associated with the remote
entries because information timeliness interval had
expired.
TLV DiscardsSpecifies the number of LLDP TLVs discarded for
any reason by the LLDP agent on the corresponding
port.
FieldDescription
Device ClassSpecifies local device's MED Classification. There
are four different kinds of devices, three of them
represent the actual end points (classified as Class I
Generic [IP Communication Controller etc.], Class II
Media [Conference Bridge etc.], Class III
Communication [IP Telephone etc.]). The fourth
device is Network Connectivity Device, which is
typically a LAN Switch/Router, IEEE 802.1 Bridge,
IEEE 802.11 Wireless Access Point etc.
LLDP-MED Interface Configuration
To display this page, click System LLDP LLDP-MED Interface Configuration. A screen
similar to the following displays.