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Cisco Bug: CSCvh57232 - Recover from FIB PI-PD disparity over map request trigger

Last Modified

Oct 18, 2019

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

A LISP xTR may not forward traffic properly to an entry in its map-cache. Instead there may be an increase in the number of punts observed.

This may happen if CEF and platform forwarding have diverged in their configuration.

Commands such as "show ip cef [vrf <vrf name>] <prefix> detail" should show a result consistent with "show ip lisp map-cache [eid-table vrf <vrf name>]". However platform show commands may show the same prefix terminating with a "Glean" or punt adjacency.

This behaviour may be seen if there is a consistent behaviour of entries being deleted and quickly recreated in the LISP map-cache.
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