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Cisco Bug: CSCvi89110 - IP connectivity failure after BNG Geo redundancy failover

Last Modified

Feb 07, 2019

Products (9)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9910 Router
  • Cisco ASR 9922 Router
  • Cisco IOS XR Software
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9912 Router

Known Affected Releases


Description (partial)

Some subscribers lose IP connectivity after the bundle failover.
Subscriber session is up on BNG but disconnected on the other end.
The only issue seen on BNG is the UP/DOWN status of PPP interface of the affected subscriber on a Master BNG after the failover.

Once the session is cleared, subscriber is able to establish new session which restores connectivity.

BNG Geo Redundancy in use.
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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