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Cisco Bug: CSCun10883 - show cef ipv4 gives UNKNOWN intf 0x0080000c

Last Modified

Feb 14, 2018

Products (6)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9922 Router
  • Cisco IOS XR Software
  • Cisco ASR 9010 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router

Known Affected Releases


Description (partial)

On a Cisco ASR9K router directed broadcasts and recursive loop detection in CEF may fail.

This problem occurs on IOSXR 4.2.3 when the SMU CSCuc95925 is applied. It can be identified by issuing 'show cef ipv4' and observing 'UNKNOWN intf' being displayed under broadcast prefixes.
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