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10-27
Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 10 Configuring Ethernet OAM
Configuring ETH-AIS
Complete the following steps to configure ETH- AIS on the router:
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
ethernet cfm ais link-status global Configure AIS-specific SMEP commands by entering
config-ais-link-cfm mode.
Step 3
level level-id
or
disable
Configure the maintenance level for sending AIS frames
transmitted by the SMEP. The range is 0 to 7.
or
Disable generation of ETH-AIS frames.
Step 4
period value Configure the SMEP AIS transmission period interval.
Allowable values are 1 second or 60 seconds.
Step 5
exit Return to global configuration mode.
Step 6
ethernet cfm domain domain-name level level-id Define a CFM domain, set the domain level, and enter
ethernet-cfm configuration mode for the domain. The
maintenance level number range is 0 to 7.
Step 7
service { short-ma-name | number MA-number |
vlan-id primary-vlan-id | vpn-id vpn-id } {vlan
vlan-id | port | evc evc-name }
Configure the maintenance association and set a
universally unique ID for a customer service instance (CSI)
or the maintenance association number value, primary
VLAN ID and VPN ID within a maintenance domain in
Ethernet connectivity fault management (CFM)
configuration mode.
Step 8
ais level level-id (Optional) Configure the maintenance level for sending
AIS frames transmitted by the MEP. The range is 0 to 7.
Step 9
ais period value (Optional) Configure the MEP AIS transmission period
interval. Allowable values are 1 second or 60 seconds.
Step 10
ais expiry-threshold value (Optional) Set the expiring threshold for the MA as an
integer. The range is 2 to 255. The default is 3.5.
Step 11
no ais suppress-alarms (Optional) Override the suppression of redundant alarms
when the MEP goes into an AIS defect condition after
receiving an AIS message.
Step 12
exit Return to ethernet-cfm configuration mode.
Step 13
exit Return to global configuration mode.
Step 14
interface interface-id Specify an interface ID, and enter interface configuration
mode.
Step 15
[no] ethernet cfm ais link-status Enable or disable sending AIS frames from the SMEP on
the interface.
Step 16
ethernet cfm ais link-status period value Configure the ETH-AIS transmission period generated by
the SMEP on the interface. Allowable values are 1 second
or 60 seconds.
Step 17
ethernet cfm ais link-status level level-id Configure the maintenance level for sending AIS frames
transmitted by the SMEP on the interface. The range is 0 to
7.