[c-nsp] Experiences with l2tpv3/xconnect?

[Rens]

You need to raise your MTU and the CPU load will go down.

PS: I'm not sure which IOS version supports baby giant frames on 1841, not
all do.

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Alexey Polyakov
Sent: jeudi 5 novembre 2009 8:52
To: Adrian Chadd
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Experiences with l2tpv3/xconnect?

L2tpV3 very useful feature, but cause very high load on CPU on reciever
side.
On 1841 10Mbit/s xconnect channel cause near 40% CPU load.
2Mbit/s channel load CPU near 10%.
Max. throughput on 1841 without shaping 28Mbit/s(FULL CPU load).


WBR Aleksey Polyakoff ICQ:9001016
Ted Turner <http://www.brainyquote.com/quotes/authors/t/ted_turner.html>  -
"Sports is like a war without the killing."

2009/11/5 Adrian Chadd <adrian at creative.net.au>

> G'day,
>
> I've been asked by a customer to solve an L2 ethernet problem
> and I'm investigating simply tunneling the required VLANs over
> L2TPv3/xconnect.
>
> Does anyone have any rough throughput (PPS in particular) info
> they'd like to share ? And any other deployment info - actually,
> in particular I'd like to know about fragmentation related issues.
>
> I'm looking at the Cisco 28xx series (potentially the Cisco 2811)
> but I'm concerned about hitting throughput ceilings.
>
> Thanks,
>
>
> Adrian
>
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