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Cisco Bug: CSCtc32166 - Enable Y1731 and CFM support on down ACs

Last Modified

Jan 12, 2017

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

3.7.0.BASE 3.9.0.BASE 3.9.0.LC 3.9.1.BASE 4.0.0.BASE

Description (partial)

Connectivity Fault Management (CFM) packets, including Continuity Check Message (CCM) and Alarm Indication Signal (AIS) packets from MPs are dropped when the underlying AC is in down state on a Cisco ASR9000 Router.

Observable on a Cisco ASR9000 router running indicated version of IOS-XR. Maintenance Point(MP) is configured, either manually or auto-generated, on the AC in down state.
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