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Information Menu 37
Table 18 Layer 2 Information Menu options
Command Usage
vlan
Displays VLAN configuration information, including:
• VLAN Number
• VLAN Name
• Status
• Port membership of the VLAN
uplink
Displays the status of Spanning Tree Uplink Fast.
dump
Dumps all switch information available from the Layer 2 menu (10K or more, depending
on your configuration).
If you want to capture dump data to a file, set your communication software on your
workstation to capture session data prior to issuing the dump commands.
FDB information menu
Command: /info/l2/fdb
[Forwarding Database Menu]
find - Show a single FDB entry by MAC address
port - Show FDB entries on a single port
vlan - Show FDB entries on a single VLAN
state - Show FDB entries by state
dump - Show all FDB entries
The forwarding database (FDB) contains information that maps the media access control (MAC)
address of each known device to the switch port where the device address was learned. The FDB also
shows which other ports have seen frames destined for a particular MAC address.
NOTE: The master forwarding database supports up to 8K MAC address entries on the
management processor (MP) per switch.
Table 19 FDB information menu
Command Usage
find <MAC address> [<VLAN>]
Displays a single database entry by its MAC address. You are
prompted to enter the MAC address of the device.
Enter the MAC address using the format: xx:xx:xx:xx:xx:xx.
(For example: 08:00:20:12:34:56)
You can also enter the MAC address using the format:
xxxxxxxxxxxx. (For example: 080020123456)
port <port number>
Displays all FDB entries for a particular port.
vlan <1-4095>
Displays all FDB entries on a single VLAN. The range is 1-4095.
state unknown|ignore|
forward|flood|trunk|ifmac
Displays all FDB entries that match a particular state.
dump
Displays all entries in the Forwarding Database.