[c-nsp] SUP2T.. TCAM related errors..

[Paul]

Seen this before on random line cards , it's a bug because it doesn't 
occur on every LC in the system (which it would since the table is 
pushed out to everything)

Need to reboot affected line card to clear it, which is annoying.  
Update to the latest code I haven't had the issue in a while.



On 5/31/2016 12:51 PM, Peter Kranz wrote:
> I cannot for the life of me figure out why this box seems to think it has
> TCAM issues..  It's a SUP-2T XL platform.. Usage levels look well under TCAM
> limits.
>
> ----
>
> May 23 12:06:22: %CFIB-7-CFIB_EXCEPTION: FIB TCAM exception, Some entries
> will be software switched
> May 31 08:58:51: %CV6_LC-5-FIB_EXCEP_ON: Failed to insert IPv6 prefix in FIB
> TCAM because it is full
>
> rtr #show platform hardware capacity forwarding
> L2 Forwarding Resources
>             MAC Table usage:   Module  Collisions  Total       Used
> %Used
>                                1                0 131072       1525
> 1%
>                                2                0 131072       1526
> 1%
>                                6                0 131072       1522
> 1%
>
> L3 Forwarding Resources
>               FIB TCAM usage:                     Total        Used
> %Used
>                    72 bits (IPv4, MPLS, EoM)     1048576      555182
> 53%
>                   144 bits (IP mcast, IPv6)      524288       25930
> 5%
>                   288 bits (IPv6 mcast)          262144           1
> 1%
>
>                       detail:      Protocol                    Used
> %Used
>                                    IPv4                      555180
> 53%
>                                    MPLS                           1
> 1%
>                                    EoM                            1
> 1%
>
>                                    IPv6                       25924
> 5%
>                                    IPv4 mcast                     6
> 1%
>                                    IPv6 mcast                     1
> 1%
>
>              Adjacency usage:                     Total        Used
> %Used
>                                                 1048576       33569
> 3%
>
> rtr #sh mls cef exception status
> Current IPv4 FIB exception state = TRUE
> Current IPv6 FIB exception state = TRUE
> Current MPLS FIB exception state = FALSE
> Current EoM/VPLS FIB TCAM exception state = FALSE
>
>
>
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