[c-nsp] PA-E3 in 7204VXR - low bandwith

[Werner Detter]

Hi Ian,

> Is that a TCP test on iperf?
Yes, that was the result of a TCP-test on iperf.

> Try again using UDP, 
I did, there I reach 32Mbit/s in both directions.

> it may be the long fat pipe issue 
> http://bradhedlund.com/2008/12/19/how-to-calculate-tcp-throughput-for-lo
> ng-distance-links/

Thanks, I'll check that :)
Werner


> Ian
> 
>> -----Original Message-----
>> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
>> bounces at puck.nether.net] On Behalf Of Werner Detter
>> Sent: 15 July 2011 11:03
>> To: cisco-nsp at puck.nether.net
>> Subject: [c-nsp] PA-E3 in 7204VXR - low bandwith
>>
>> Hi everybody,
>>
>> a customer connected with a 7204VXR (NPE-225), PA-E3 has bandwith-
>> problems. The maximum outgoing TCP-throughput amounts only 15Mbit/s
>> instead of 34Mbit/s (measured with iperf from the customer-side:
>>
>> [  5]  0.0-10.0 sec  17.4 MBytes  14.6 Mbits/sec
>>
>> Incoming bandwith is ok:
>>
>> [  4]  0.0-10.1 sec  39.1 MBytes  32.3 Mbits/sec
>>
>> There are no rate-limits configured, there are no errors on the
> interfaces
>> itself, the 7204VXR is pretty underutilized - so everything seems fine
> from
>> that point of view.
>>
>> Any Ideas?
>>
>> Regards,
>> Werner
>>
>>
>>
>>
>>
>>
>>
>>
>>
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> 
> 
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