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Cisco Bug: CSCur42755 - OSPF process goes in mutex when receive link LSA with metric 0

Last Modified

May 11, 2018

Products (7)

  • Cisco Carrier Routing System
  • Cisco ASR 9922 Router
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9912 Router

Known Affected Releases


Description (partial)

On IOS-XR running device, OSPF process may crash or get blocked.

The problem may happen when a 3rd-party OSPF implementation violates RFC2328 by advertising transit link with metric 0 its router LSA.
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