[c-nsp] How to find the root cause of packet loss

LM asturluismi at gmail.com
Tue Jun 22 06:31:11 EDT 2010


Is there any command inside the switch to determine a possible packet 
loss?, more than the error counters under "sh int", I am curious about 
the ASIC values and buffer issues.


El 22/06/10 10:53, Peter Rathlev escribió:
> On Fri, 2010-06-18 at 18:34 +0200, Sascha Pollok wrote:
>    
>> Any idea how the EOSed 2970 performs in terms of buffers and
>> bursts? I have some of those in stock and wondering where to
>> put them next.
>>      
> I just tested with a 2970 and it had no problems pushing 11+ MB/s when
> transferring a 6 GB VirtualBox disk image. So it seems it does not have
> the buffering problems of the 2960/3560/3750 family.
>
> I tested between Gi0/1 and Gi0/3, so on the same ASIC. The switch was
> with a blank configuration, except for "speed auto 100" on one interface
> (Gi0/1). The software was 12.2(25)SEC2 LAN Base, but I don't think that
> matters too much. It had 83 dropped packets from ~5 million packets.
>
>    


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