[c-nsp] cisco 3560 layer3 performance

[Manolo Hernandez]

Mark Kent wrote:
>>> Take a look at what the SDM says, with "show sdm prefer". If you're
>>> running a "vlan only" template, all L3-traffic is process switched. It
>>> that case you should change it to "default" or whatever suits your
>>> needs.
>>>       
>
> show sdm prefer
>  The current template is "desktop default" template.
>  The selected template optimizes the resources in
>  the switch to support this level of features for
>  8 routed interfaces and 1024 VLANs. 
>
>   number of unicast mac addresses:                  6K
>   number of IPv4 IGMP groups + multicast routes:    1K
>   number of IPv4 unicast routes:                    8K
>     number of directly-connected IPv4 hosts:        6K
>     number of indirect IPv4 routes:                 2K
>   number of IPv4 policy based routing aces:         0
>   number of IPv4/MAC qos aces:                      0.5K
>   number of IPv4/MAC security aces:                 1K
>
> We're not near any of these limits... but I'll scroll
> through all the options and record the changes.
>
> Thanks,
> -mark
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>   
Mark,

 
You would be surprised as to how close you really are in utilizing tcam 
space. A "show platform tcam utilization" may open your eyes. We have 
been battling this cpu issue for months and it does all come back to 
tcam hardware resources.


Manolo