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Cisco Bug: CSCtc92484 - RTF_SUMMARY flag missing from isis summary routes

Last Modified

May 15, 2018

Products (15)

  • Cisco Carrier Routing System
  • Cisco CRS-1 Line Card Chassis (Dual)
  • Cisco CRS-1 Line Card Chassis (Multi)
  • Cisco CRS-1 16-Slot Line Card Chassis
  • Cisco CRS-1 4-Slot Single-Shelf System
  • Cisco IOS XR Software
  • Cisco CRS-1 Fabric Card Chassis
  • Cisco XR 12410 Router
  • Cisco CRS-1 8-Slot Line Card Chassis
  • Cisco XR 12416 Router
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Known Affected Releases

3.8.0.BASE 3.8.0.ROUT

Description (partial)

Symptom:
Unreachable specific IP addresses: traffic is not being forwarded when
following a backbone path involving summarised prefixes.
 
Conditions:
Summarised IS-IS prefixes to Level-2 routers with MPLS-LDP.
MPLS-LDP is broken, traffic arrives labelled to the summarising router, 
when it should be popped by the adjacent router.
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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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