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
(Optional) Interval at which AIS packets are transmitted. Valid values are:
• 1s – Interval of 1 second
• 1m – Interval of 1 minute
interval
(Optional) Specifies the Class of Service (CoS) for the AIS packets. Valid values
are 0 to 7.
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
ModificationRelease
This command was introduced.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).
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Release 5.3.x
157
Ethernet OAM Commands on the Cisco ASR 9000 Series Router
ais transmission
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