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Cisco Bug: CSCvt01187 - Eigrp neighbor down up occurred frequently

Last Modified

Sep 01, 2020

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 4461 Integrated Services Router
  • Cisco Cloud Services Router 1000V
  • Cisco 4351 Integrated Services Router

Known Affected Releases


Description (partial)

C9400*2 are configured as SVL stack, connected to opposite device.
C9400 builds EIGRP neighbor with opposite device, while following message 
are output frequently on 9400.

%DUAL-5-NBRCHANGE: EIGRP-IPv4 109: Neighbor X.X.X.X (VlanY) is down: Interface PEER-TERMINATION received
%DUAL-5-NBRCHANGE: EIGRP-IPv4 109: Neighbor X.X.X.X (VlanY) is up: new adjacency

C9400 SVL stack/16.12.2/16.12.3/16.9.4
EIGRP is over SVI. 
configuring SPAN dest port on standby/active switch.
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Bug Details Include

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