[c-nsp] When to switch to DFC3BXL

[Chris Woodfield]

"show platform hardware capacity" gives you some pretty good data  
that may be useful in this situation. I think SXD was the first minor  
rev to support it, but I could be wrong.

-C

On May 16, 2007, at 7:23 PM, Richard J. Sears wrote:

> I am looking for some input on how to determine a good time to move  
> from
> CFCs to DFCs. I am running SUP720-3BXL engines now on all of my 6509s
> but only running my 6748 blades with the WS-F6700-CFC.
>
> Is there some stats I should be looking at on the 6500 to let me know
> when it would be a good idea to move from centralized forwarding to
> distributed forwarding..? I am running a mix of the 6748-GE-TX and
> 6248A-TEL blades.
>
> Most ports get only 10 to 15mbps, several get 600 to 800mbps.
>
> Here is what I see when I show mls stats:
>
>
> ROUTER-BR1#sh mls statistics
>
> Statistics for Earl in Module 5
>
> L2 Forwarding Engine
>   Total packets Switched                : 2085876382490
>
> L3 Forwarding Engine
>   Total packets L3 Switched             : 2084698353828 @ 211719 pps
>
>   Total Packets Bridged                 : 56107206223
>   Total Packets FIB Switched            : 2027121731289
>   Total Packets ACL Routed              : 0
>   Total Packets Netflow Switched        : 0
>   Total Mcast Packets Switched/Routed   : 378667094
>   Total ip packets with TOS changed     : 2
>   Total ip packets with COS changed     : 2
>   Total non ip packets COS changed      : 0
>   Total packets dropped by ACL          : 993799
>   Total packets dropped by Policing     : 0
>   Total packets exceeding CIR           : 0
>   Total packets exceeding PIR           : 0
>
> Errors
>   MAC/IP length inconsistencies         : 0
>   Short IP packets received             : 0
>   IP header checksum errors             : 0
>   TTL failures                          : 18653539
>   MTU failures                          : 0
>
> Total packets L3 Switched by all Modules: 2084698353828 @ 211719 pps
>
>
> Thanks
>
> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Richard J. Sears
> CCNP/CCDP/F5SE
>
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