[c-nsp] C3560X Layer 3 throughput

David Wilkinson cisco-nsp at noroutetohost.net
Tue Feb 16 13:59:03 EST 2016


CEF is enabled, it was the first thing I checked.


On 16/02/2016 18:17, Hunter Fuller wrote:
> Don't worry about that kind of cpu on these boxes. We have dozens in
> production doing only layer 2 traffic and we see usage like this:
>
> CU234C3560XU01#show proc cpu | inc CPU
> CPU utilization for five seconds: 41%/6%; one minute: 40%; five minutes: 40%
>
> CCRH120C3560XU01#show proc cpu | incl CPU
> CPU utilization for five seconds: 43%/3%; one minute: 39%; five minutes: 36%
>
> CV108c3560Xu01#show proc cpu | incl CPU
> CPU utilization for five seconds: 48%/10%; one minute: 43%; five minutes: 41%
Is that with high levels of throughput?
This one is doing layer 3 routing.


On 16/02/2016 18:35, Octavio Alvarez wrote:
> On 02/16/2016 03:53 AM, David Wilkinson wrote:
>> Hi all,
>>
>> What is the real world expected throughput on the C3560X devices when
>> doing basic Layer 3 routing?
>> We have a customer who has a couple of these and are doing around
>> 50-60Mpbs, around 10Kpps and is hitting around 50% CPU and we are
>> wondering if this is normal for these switches as it seems a little high
>> to us.
>>
>> The configuarion is very basic, couple of VLANs, HSRP and a static route
>> providing a default route upsteam.
>>
>> Is this normal for the WS-C3560X-24?
> What is the process at fault? (show proc cpu sort and check the first
> lines).
It is mostly interrupt.




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