Cisco ASR 920 series Configuration Guide Ethernet Router

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 ethernet
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
PurposeCommand or Action
Enables privileged EXEC mode.enable
Step 1
Example:
Device> enable
•
Enter your password if prompted.
Enters global configuration mode.configure terminal
Example:
Device# configure terminal
Step 2
Specifies the interface type and number, and enters interface
configuration mode.
interface type number
Example:
Device(config)# interface
gigabitethernet2/0/1
Step 3
Carrier Ethernet Configuration Guide (Cisco ASR 920 Series)
103
Configuring MAC Address Limiting on Service Instances Bridge Domains and EVC Port Channels
Configuring MAC Address Aging

Cisco ASR 920 series Specifications

General

Form Factor	1RU
Operating System	Cisco IOS XE
Model	ASR 920 series
Memory	4 GB DRAM
Power Supply	AC or DC
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Relative Humidity	5% to 95% non-condensing
MTBF	Varies by model
Management	CLI, SNMP