Specifications

Switching show switch fdb 8-215
Software Release 2.7.3
C613-03098-00 REV A
Figure 8-39: Example output from the show switch fdb command
Example To display the contents of the Forwarding Database, use the command:
show switch fdb
Related Commands enable switch learning
show switch
show switch filter
Switch Forwarding Database (software)
---------------------------------------------------------------------------
VLAN MAC Address Port Status Discard L3 Hit QOS QSD
---------------------------------------------------------------------------
1 00-00-cd-00-45-c7 CPU static - y y 0:0 dest
42 00-00-c0-1d-2c-f8 1 dynamic - n y 0:0 dest
42 00-00-c0-71-e0-e4 1 dynamic - n y 0:0 dest
42 00-00-cd-00-a4-d6 1 dynamic - n y 0:0 dest
42 00-00-cd-00-ab-dc 1 dynamic - n y 0:0 dest
42 00-60-b0-ac-18-51 1 dynamic - n y 0:0 dest
42 00-90-27-23-a4-e9 1 dynamic - n y 0:0 dest
42 00-90-27-32-ad-61 1 dynamic - n y 0:0 dest
42 00-90-27-76-8a-55 1 dynamic - n y 0:0 dest
42 00-90-27-76-9a-99 1 dynamic - n y 0:0 dest
42 00-90-27-87-a5-22 1 dynamic - n y 0:0 dest
42 00-90-27-bd-c8-93 1 dynamic - n y 0:0 dest
42 00-90-27-bd-c9-7f 1 dynamic - n y 0:0 dest
42 00-90-27-d0-ae-c2 1 dynamic - n y 0:0 dest
42 00-90-27-d0-c7-12 1 dynamic - n y 0:0 dest
42 08-00-09-be-06-cd 1 dynamic - n y 0:0 dest
---------------------------------------------------------------------------
Table 8-58: Parameters in the output of the show switch fdb command
Parameter Meaning
VLAN VLAN Identifier of the VLAN.
MAC Address MAC address as learned from the source address field of a
frame, or entered as part of a static filter entry.
Port Port from which the MAC address was learned.
Status Whether the entry was a static filter entry or dynamically
learned.
Discard Whether to discard frames on the basis of the source address
or the destination address of the received frame.
L3 Whether the entry was created as part of a Layer 3 interface
configuration.
Hit Whether a frame matching this filter entry was received
during the latest Ageing Timer period. If the Ageing Timer is
enabled, entries with ‘n’ are purged from the Forwarding
Database.
QOS Quality of Service of the frame. The first number is the QoS
based on the source address. The second number is the QoS
based on the destination address.
QSD Whether the source address QoS or the destination address
QoS has priority in determining the QoS of frames received
that do not contain priority information.