DISPLAYING FDB ENTRIES

DISPLAYING FDB ENTRIES

To display FDB entries, use the command

show fdb {all <mac_address> vlan <name> <portlist> permanent

qos}

where the following is true:

all — Displays all FDB entries.

mac_address — Displays the entry for a particular MAC address.

vlan <name> — Displays the entries for a VLAN.

portlist — Displays the entries for a port.

permanent — Displays all permanent entries.

qos — Displays all entries that are associated with a QoS profile.

The following sample output shows the information displayed when you request output for all FDB entries:

show fdb

 

 

 

 

 

Hash Num

Mac

Vlan

Flags

Ptag

PortList

---------------------------------------------------------------

 

 

 

-

0ff0: 0

ff:ff:ff:ff:ff:ff

Default(0001)

sm

0fdf

CPU,1,19

1823: 0

08:00:4e:2b:f3:00

Default(0001)

sm

0ff1

CPU

2bfb: 0

00:80:c7:01:cb:bd

Default(0001)

dm

0000

1

3289: 0

00:e0:2b:00:00:00

Default(0001)

sm

0ffb

CPU

373d: 0

01:80:c2:00:00:00

(0000)

sm

0ffb

CPU

Total: 5 Static: 4 Perm: 0 Dyn: 1 Dropped: 0

FDB Aging time: 300 seconds

The show command displays summary information, including

MAC address

VLAN name and VLANID

The VLANID 0000 indicates that the entry is a special entry that is not associated with any one VLAN.

SUMMIT SWITCH INSTALLATION AND USER GUIDE

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Extreme Networks Summit1 manual Displaying FDB Entries