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Cisco Bug: CSCus26923 - SIP700 drops L2 traffic due to l2fib failure to bind L2VPN

Last Modified

May 13, 2018

Products (8)

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

Known Affected Releases

5.1.3.ROUT

Description (partial)

Symptom:
SIP700 drops L2 traffic due to l2fib failure to bind L2VPN and program the HW.

show l2vpn forwarding interface <Attachment circuit> hardware ingress detail location <LC that hosts the AC>
  Segment 1
    AC, Serial0/3/0/0/1/3:1.200, status: Bound
    Statistics:
 <SNIP>
  Segment 2
    MPLS, Destination address: <Tailend IP>, pw-id: <PW ID>, status: Bound
   <SNIP>
 
  Platform AC Context:, State: Not Bound ,
 
  Platform PW Context: Not Bound,

Conditions:
Any unbind/bind event:
- interface flap or shut
- controller shut/no shut
- config change of the AC/PW/XCON
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Bug Details Include

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