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Cisco Bug: CSCvt30974 - BFD connections are down after the tear down of extra vsmart and TLOC delete during GR

Last Modified

Sep 04, 2020

Products (51)

  • Cisco IOS
  • Cisco Catalyst 9300-48T-A Switch
  • Cisco Catalyst C9500-16X-E Switch
  • Cisco Catalyst 9300-48UN-A Switch
  • Cisco Catalyst 9300-48P-A Switch
  • Cisco Catalyst 9300-48UXM-A Switch
  • Cisco Catalyst 9300-48U-A Switch
  • Cisco Catalyst 9800-40 Wireless Controller
  • Cisco Catalyst 9400 Supervisor Engine-1XL-Y
  • Cisco Catalyst 9120AXE Access Point
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Known Affected Releases

17.2.1 17.3 20.2 20.3

Description (partial)

Symptom:
BFD sessions are down when vsmart received one stale TLOC with higher SPI and one active TLOC with lower SPI.

Conditions:
1. tear down router's connection with vsmart, then router goes down to graceful restart.
2. delete tunnel interface during GR
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Bug Details Include

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