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Alteon OS Command Reference
76
The Information Menu 43W7774, May 2007
/info/l2/fdb
FDB Information
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 16K MAC address entries on the MP
per switch.
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.
[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
Table 4-13 FDB Information Menu Options (/info/l2/fdb)
Command Syntax and 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 or alias>
Displays all FDB entries for a particular port.
vlan <VLAN number (1-4095)>
Displays all FDB entries on a single VLAN.
Table 4-12 Layer 2 Menu Options (/info/l2)
Command Syntax and Usage