Cisco Bug: CSCus87139 - AIS Sent on CESoPSN E1 even after L-bit Cleared by Remote PE
Feb 21, 2018
- Cisco ASR 900 Series Aggregation Services Routers
Known Affected Releases
Symptom: On an ASR903 or ASR920 head-end router, E1 controller corresponding to a CESoPSN circuit may continue to transmit AIS alarm even after the alarm condition has been cleared on the remote PE. Conditions: The E1 is configured with CESoPSN with "forward-alarm ais". E1 on Remote CE is shut, resulting in AIS transmission over the E1 at the local head-end. The CESoPSN VC is flapped. E1 on remote CE is "no shut".
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.
Bug Details Include
- Full Description (including symptoms, conditions and workarounds)
- Known Fixed Releases
- Related Community Discussions
- Number of Related Support Cases