Ais Transmission - Cisco ASR 9000 Series Command Reference Manual

Ethernet OAM Commands on the Cisco ASR 9000 Series Router

ais transmission

To configure Alarm Indication Signal (AIS) transmission for a Connectivity Fault Management (CFM) domain
service, use the ais transmission command in CFM domain service configuration mode. To disable AIS
transmission in a CFM domain service, use the no form of this command.
ais transmission [interval 1s| 1m] [cos cos]
no ais transmission [interval 1s| 1m] [cos cos]
Syntax Description
interval
cos cos
Command Default
AIS transmission is disabled by default.
If interval is not specified, the default interval is 1 second.
IF cos is not specified, each MEP uses its own CoS value, inherited from the interface.
Command Modes
CFM domain service configuration (config-cfm-dmn-svc)
Command History
Release
Release 3.9.1
Usage Guidelines
To use this command, you must be in a user group associated with a task group that includes appropriate task
IDs. If the user group assignment is preventing you from using a command, contact your AAA administrator
for assistance.
This command enables AIS for all MEPs in the service. AIS messages are triggered by the following events:
• Detection of a CCM defect.
• Detection of a missing peer MEP (when cross-check is configured).
• Receipt of AIS or LCK messages.
• Detection of interface down events (for down MEPs only).
(Optional) Interval at which AIS packets are transmitted. Valid values are:
• 1s – Interval of 1 second
• 1m – Interval of 1 minute
(Optional) Specifies the Class of Service (CoS) for the AIS packets. Valid values
are 0 to 7.
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Modification
This command was introduced.

ais transmission

Release 5.3.x
157