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Cisco Bug: CSCvu23516 - Static routes pointing to interface tunnel not valid after tunnel's source interface flaps.

Last Modified

Sep 10, 2020

Products (17)

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

16.6.5 16.9.2 16.9.4

Description (partial)

Symptom:
Static routes pointing to tunnel dissapear from the RIB after physical Cellular interface, associated to the Dialer used in the ip unnumbered command, flaps.
Tunnel goes down and up as expected but the static routes are delete from RIB and not added again.

Conditions:
Using static routes that point to interface tunnel (no IP for next-hop) and such tunnel is using ip unnumbered Dialer command.
Falpping if the Cellular interface associated to the Dialer that is source for the tunnel interface
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Bug Details Include

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