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Cisco Bug: CSCvh92659 - BFD flaps everytime with dynamic tunnel creation in DMVPN

Last Modified

Oct 30, 2019

Products (9)

  • Cisco IOS
  • Cisco 4221 Integrated Services Router
  • Cisco 4331 Integrated Services Router
  • Cisco 4431 Integrated Services Router
  • Cisco 4321 Integrated Services Router
  • Cisco 4451-X Integrated Services Router
  • Cisco Cloud Services Router 1000V
  • Cisco 4351 Integrated Services Router
  • Cisco cBR-8 Converged Broadband Router

Known Affected Releases

16.6.2 16.7.1

Description (partial)

Symptom:
BFD flaps on refresh cycles for dynamic spoke-spoke tunnels when used with 'MPLS over DMVPN'

Conditions:
* MPLS over DMVPN deployment
* BFD configured over DMVPN tunnel (single-hop)
* Using dynamic spoke-spoke tunnels
* Traffic is there only in specific VRFs but not in global VRF.
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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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