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Cisco Bug: CSCvs18780 - SR Labels not installed in forwarding plane when there are multiple sources for the prefix SID

Last Modified

Aug 29, 2020

Products (11)

  • Cisco IOS
  • Cisco 4221 Integrated Services Router
  • Cisco 4331 Integrated Services Router
  • Cisco 4431 Integrated Services Router
  • Cisco 4321 Integrated Services Router
  • Cisco 4351 Integrated Services Router
  • Cisco 4461 Integrated Services Router
  • Cisco Cloud Services Router 1000V
  • Cisco 4451-X Integrated Services Router
  • Cisco ASR 1000 Series Route Processor (RP2)
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Known Affected Releases

17.1.1 17.2.1

Description (partial)

Symptom:
IS-IS routes do not have label entries installed even though a valid Prefix-SID is available.

Conditions:
Segment Routing is enabled.
The prefix-SID is learned from multiple sources - for example:

Two different IS-IS peers
Two different protocol instances
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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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