[Enterprise SONiC] MAC address table and aging time Follow

Check MAC address table and MAC aging time

Tested model & firmware version:

• Switch model name:
  DCS203 (AS7326-56X)

• Edgecore SONiC version: 
  202006.4
  202012.0 ~ 202012.5
  202111.0 ~ 202111.3

Restriction:

• Aging time is not configurable
• By default, MAC aging time is 600s.

This command displays the MAC (FDB) entries either in full or partial as given below.

admin@sonic:~$ show mac
No. Vlan MacAddress Port Type
----- ------ ------------ ------ ------
Total number of entries 0

1. show mac - displays the full table
2. show mac -v - displays the MACs learned on the particular VLAN ID.
3. show mac -p - displays the MACs learned on the particular port.

Clear the MAC (FBD) table

admin@sonic:~$ sonic-clear fdb all
FDB entries are cleared.

Appendix: 

202111 branch support sonic command to check the MAC aging time.

admin@sonic:~$ show mac aging-time
Aging time for switch is 600 seconds

Before 202111 branch, it could only bcmshell to check the aging time.

• Check MAC aging time by bcmshell

admin@sonic:~$ bcmcmd 'age'
age
Current age timer is 600.
drivshell>