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Cisco Bug: CSCsg39578 - DMVPN Phase 3: NHRP local cache entry used when process switching

Last Modified

Feb 22, 2014

Products (1)

  • Cisco IOS

Known Affected Releases

12.4(6)T 12.4(9)T

Description (partial)


Packets to/from a directly connected interface on a DMVPN Hub router 
destined out over the DMVPN interface may fail for extended periods of time.  


In a DMVPN Phase 3 (12.4(6)T and later) network (hasn't been see in a Phase 2 network),
when the DMVPN router has an NHRP mapping entry that is marked with the 'local' flag
and this mappng entry covers the destination network for the packts that are failing.
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