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Cisco Bug: CSCvu52708 - PLDT : SR-SRTE IGP label swap followed by IGP push failure on ABR node

Last Modified

Oct 30, 2020

Products (14)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco Network Convergence System 55A2-MOD-HD-S
  • Cisco Network Convergence System 5504
  • Cisco Network Convergence System 5502-SE
  • Cisco Network Convergence System 5516
  • Cisco Network Convergence System 5508
  • Cisco Network Convergence System 55A1-24H
  • Cisco Network Convergence System 5502
  • Cisco IOS XR Software
  • Cisco Network Convergence System 55A2-MOD-S
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Known Affected Releases

7.2.1.BASE

Description (partial)

Symptom:
Traffic loss >3s during link restoration.

Conditions:
Link restoration with SR uloop avoidance configured.

Topology
PE1 ----- PE2
 |               |
DN1------DN2
 |               |
AN1-------AN2


All links cost is 1000.
AN1-DN1 or AN2-DN2 or DN1-PE1 or DN2-PE2 link recovery
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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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