%FIB-4-FIBCBLK2: Missing cef tableid [dec] during [chars] event for [IP_address][IP_netmask]
Here are some examples of the message as seen in error logs:
%FIB-4-FIBCBLK: Missing cef table for tableid 63 during route update XDR event
%FIB-SP-4-FIBCBLK: Missing cef table for tableid 33 during Table removal event
%FIB-4-FIBCBLK: Missing cef table for tableid 45 during routing table event
The cause of these messages is due to a delete VRF request being generated before the associated NDB (Network Descriptor Block) updates are distributed and processed by linecards. This causes a temporary issue in the CEF table where a table ID is generated but the table itself is removed. This issue normally resolves itself with no intervention, and there is no impact to traffic or the stability of the router. Cisco bug IDs CSCsg03483 and CSCee26209 describe the similar system messages.
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