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Cisco Bug: CSCuo07592 - ISIS does not process tunnel event in first SPF after SSO

Last Modified

Aug 14, 2017

Products (25)

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

15.3(3)S 15.4(2)S

Description (partial)

Symptom:
After SSO, ISIS will install the native path in the RIB followed by the tunnel path.

Conditions:
When TE is configured for NSR or GR and upon SSO, ISIS will not use the tunnel announcement from TE in first SPF if it has arrived. In the subsequent SPF run the tunnel is installed.
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Bug Details Include

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  • Status
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