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Cisco Bug: CSCvu51649 - SDWAN Down flag is not cleared in RIB when OSPF LSA loses DN bit

Last Modified

Sep 10, 2020

Products (20)

  • Cisco XE SD-WAN Routers
  • Cisco ASR 1000 Series IOS XE SD-WAN
  • Cisco 4221 Integrated Services Router
  • Cisco 1101 Industrial Integrated Services Router
  • Cisco 4431 Integrated Services Router
  • Cisco 4331 Integrated Services Router
  • Cisco 4321 Integrated Services Router
  • Cisco ASR 1002-X Router
  • Cisco ASR 1001-X Router
  • Cisco 4351 Integrated Services Router
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Known Affected Releases

16.12.2r 17.2.1r

Description (partial)

Symptom:
Route coming from OSPF LSA without DN bit is seen in RIB with SDWAN down flag. This prevents router from advertising this route into OMP.

Conditions:
1. cEdge learned OSPF external LSA with DN bit and installs it in RIB with SDWAN Down flag
2. Next cEdge learns same route, but this time without DN bit
3. The route is updated in RIB, but SDWAN Down flag is not cleared
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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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