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Cisco Bug: CSCur05882 - ISIS: Loopback interface is not advertised if in no passive mode

Last Modified

Sep 17, 2019

Products (25)

  • Cisco IOS
  • Cisco ASR 901-6CZ-FS-D Router
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ASR 901S-4SG-F-D Router
  • Cisco ASR 901S-2SG-F-D Router
  • Cisco ASR 901S-2SG-F-AH 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)S3.16 15.4(3)S 3.9(0.0)

Description (partial)

Symptom:A loopback interface prefix is not advertised when an unnumbered interface pointing to the loopback is shutdown.
Conditions:Shutdown an interface configured with 'ip unnumbered' pointing to the loopback
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