Configuring Mac Address Aging - Cisco ASR 920 Series Configuration Manual Ethernet Router

Configuring MAC Address Limiting on Service Instances Bridge Domains and EVC Port Channels

Configuring MAC Address Aging

Perform this task to configure the aging of secured MAC addresses under MAC security. Secured MAC
addresses are not subject to the normal aging of MAC table entries. If aging is not configured, secured MAC
addresses are never aged out.
SUMMARY STEPS
1. enable
2. configure terminal
3. interface type number
4. service instance id
5. encapsulation dot1q vlan-id
6. bridge-domain bridge-id
7. mac security aging time aging-time [ inactivity ]
8. mac security
9. end
DETAILED STEPS
Command or Action
Step 1 enable
Example:
Device> enable
Step 2
configure terminal
Example:
Device# configure terminal
Step 3 interface type number
Example:
Device(config)# interface
gigabitethernet2/0/1
ethernet
Purpose
Enables privileged EXEC mode.
• Enter your password if prompted.
Enters global configuration mode.
Specifies the interface type and number, and enters interface
configuration mode.
Carrier Ethernet Configuration Guide (Cisco ASR 920 Series)
Configuring MAC Address Aging
103