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Cisco Bug: CSCul75876 - RSP2:OSPF process - router crash on default interface

Last Modified

Feb 13, 2018

Products (21)

  • 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 901-6CZ-F-A Router
  • Cisco ASR 901S-2SG-F-D Router
  • Cisco ASR 901S-2SG-F-AH Router
  • Cisco ASR 901-6CZ-FT-A Router
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Known Affected Releases


Description (partial)

Symptom: A router may crash in an OSPF process during reconfiguration.
Conditions: This symptom occurs under the following conditions:

1. Configure the router with "ipfrr" in area 0.
2. Connect router to area 0 through two links. For some route one interface is the primary path, and the second is the repair path.
3. Configure router as ABR, that is, have a non-zero area with a neighbor. Do not configure "ipfrr" in the non-zero area. Quickly remove the IP address from both the interfaces in area 0 and router the may crash.
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