Cisco MWR 2941 Installation Manual Page 2

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Cisco MWR 2941 Mobile Wireless Edge Router Release 3.5 Command Reference, Cisco IOS Release 15.1(3)MR
OL-26895-01
Chapter Cisco MWR 2941 Router Command Reference, Release 15.1(3)MR
ais
ais
To enable the Alarm Indication Signal (AIS) function for a specific maintenance association, use the ais
command in Ethernet CFM service configuration mode. To disable AIS configuration, use the no form
of this command.
ais [expiry-threshold threshold | level level-id | period seconds | suppress-alarms]
no ais [expiry-threshold | level | period | suppress-alarms]
Syntax Description
Command Default The AIS function is enabled on specific maintenance associations.
Command Modes Ethernet CFM service configuration (config-ecfm-srv)
Command History
Usage Guidelines Alarms are suppressed when a MEP goes into an RX AIS (receipt of an AIS frame) defect condition.
When you specify the level keyword with the ais command, you can transmit AIS messages to a higher
maintenance association without configuring a maintenance intermediate point (MIP) for that
maintenance association.
Output of the show running all command shows “ais expiry-threshold 3.5” when the default expiry
threshold is configured, “ais period 60” when the default transmission period is configured, and “no ais
suppress-alarms” when the default value for the suppress-alarms option is configured.
expiry-threshold (Optional) Configures the expiry threshold.
threshold (Optional) Integer from 2 to 255 that is a count. If no MEPs are received
within an interval of the threshold multiplied by the transmission period, the
MEP clears the AIS defect condition. The default is 3.5.
level (Optional) Indicates a maintenance level where AIS frames for maintenance
endpoints (MEPs) belonging to the service will be sent.
level-id (Optional) Integer from 0 to 7 that identifies the maintenance level.
period (Optional) Configures the AIS transmission period for all MEPs in the
maintenance association.
seconds (Optional) Integer value 1 or 60 that indicates the AIS transmission period
in seconds. The default is 60.
suppress-alarms (Optional) Configures alarm suppression.
Release Modification
15.0(1)XA This command was introduced.
12.2(33)SRE This command was integrated into Cisco IOS Release 12.2(33)SRE.
15.0(1)MR This command was integrated into Cisco IOS Release 15.0(1)MR.
15.1(3)MR This command was integrated into Cisco IOS Release 15.1(3)MR.
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