[c-nsp] CEF inconsistency with 12.2(25)S1

[Volodymyr Yakovenko]

On Mon, Nov 01, 2004 at 12:39:50PM +0100, Bernhard Schmidt wrote:
>Hi,


Hello,

 Are these problems only IPv6 related?

>since I upgraded two of my backbone routers to 12.2(25)S I periodically
>had some issues with updates in the routing table not being reflected in
>CEF. Update to 12.2(25)S1 did not solve the problem.
>
>Recent example:
>
>BACK1-C7206-OTN-SATIP#sh ipv6 route 2001:7fd::/32
>IPv6 Routing Table - 577 entries
>[...]
>B   2001:7FD::/32 [20/20]
>     via FE80::426E:E, Tunnel301
>
>BACK1-C7206-OTN-SATIP#sh ipv6 cef 2001:7fd::/32
>2001:7FD::/32
>  nexthop FE80::20C:86FF:FE9A:3819 GigabitEthernet0/3
>
>Same thing on the box connected at Gi0/3 -> I have a nice loop here.
>
>"no ipv6 cef; ipv6 cef" fixes the problem, but since only a few prefixes
>are broken at a time you have to notice the problem first.
>
>Any ideas? I have
>
>cef table consistency-check IPv6
>cef table consistency-check IPv6 data-checking
>cef table consistency-check IPv6 error-message
>
>but "show cef table consistency-check" doesn't show any errors.
>
>Bernhard
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-- 
Regards,
Volodymyr.