[f-nsp] Wrong IPv6 CAM entry on XMR

Gerald Krause gk at ax.tc
Wed May 12 12:52:49 EDT 2010


Hi,

whilst debugging a connection problem to eu.irc6.net I've found a
probably wrong CAM entry on one of our XMR's (4.0.1aT177):

Routing Table:
==============
SSH at br2#sh ipv6 route 2001:16d8:27::
B    2001:16d8::/32        2001:1478:14:1::1  tunnel 2     20/10
  22m24s

CAM Entry:
==========
SSH at br2#sh cam ipv6 4/7 2001:16d8::/32
LP Index IPV6 Address                                MAC            Age
                                                     (VLAN Out IF PRAM)
4  5c4ee 2001:16d8:fe00::/40                         d417.26d6.72fb Dis
                                                     (N/A  4/3    0092a)

Maybe the longer prefix in the CAM is a result from an previous BGP
update that wasn't accurately re-programmed.

Is there any chance to invalidate those certain CAM entries without
shutting down the whole IPv6 BGP session?

--
Gerald



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