[c-nsp] catalyst 3560 performance issue

Vladimir Rabljenovic vlado_r at net.hr
Thu Jun 29 05:39:53 EDT 2006


Hello,
 
Thank you for the answer. I will try to be more precise. 
I would like to know how this relate to situation when switch acts also as L3 device (in parallel to
L2 switching). 
I have a situation that around 100Mbps of traffic is expected to come via 2Gig port-channel trunk,
then L2 switched to a few FastEth interfaces. After that, this traffic is coming back on some other
fasteth interfaces into switch, and is L3 routed towards mentioned 2Gig port-channel via different
Vlan. 
So, when using desktop routing sdm template, I am interested whether I could experience some
performance problems or not. 
Unforunately, I am not currently in the position to run some extensive test with traffic generators.
If someone has some experience on this, I would very much appreciate to share it with me.

thanks in advance
vlado


> > In general, I am interested about info about performance
> > comparison when different sdm templates/scenarios are deployed.
> 
> The choice of SDM template doesn't (directly) affect the
> forwarding performance, only how the (obviously finite) amount
> of hardware resources are sliced up for different purposes.
> 
> Of cause, if you slice it up incorrectly, it may adversely impact
> performance when you run out of some ressource.
> 
> See http://tinyurl.com/e7k8w
> 
> -A
> 
</blockquote>


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