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Cisco Bug: CSCum04512 - Tunnel flap after SSO due to Stanby RP wrong TE RID

Last Modified

Feb 07, 2017

Products (16)

  • Cisco IOS
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ASR 901S-4SG-F-D Router
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901S-2SG-F-D Router
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901-6CZ-FT-A Router
  • Cisco ASR 901-12C-FT-D Router
  • Cisco ME 3600X-24FS-M Switch
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Known Affected Releases


Description (partial)

Symptom: When an RP switchover is done (which is head end for 500 TE tunnel and tail end for 500 TE tunnels), the RSVP label is assigned to the TE tunnel change and  this in turn causes a traffic loss of 45 seconds on the pseudowire which is directed through these tunnels.
Conditions: This symptom occurs under the following conditions:
-TE RID under the IGP is configured as a loopback other than the first one.
-SSO is performed.
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