[c-nsp] NPE-G1 throughput, with and without L2TP

[Lasher, Donn]

Yes. Single CF is not only annoying but costly. On a deployed network of
G1's (previous job), we've had several CF cards corrupt, which then fail
to boot the router, which of course you find out at the WRONG time. In
deploying the NPE-x00's, we always deployed 2xPCM cards with duplicate
images to avoid that very issue.

Bad move on Cisco's part. Sad to see it repeated in the G2.


-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
christian.macnevin at uk.bnpparibas.com
Sent: Friday, May 05, 2006 2:09 AM
To: cchurch at netcogov.com
Cc: cisco-nsp-bounces at puck.nether.net; cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] NPE-G1 throughput, with and without L2TP

Ooh, lookit that.

Hm, still only one CF reader - doesn't this annoy anyone else?

And why is it cisco's stuck with the separate fibre and copper
interfaces instead of going with SFPs? I'm guessing they just threw a
bigger chip int othe same architecture, but it does seem odd to persist
with that historical blip.







Internet
cchurch at netcogov.com

Sent by: cisco-nsp-bounces at puck.nether.net
04/05/2006 20:15

To

cc
cisco-nsp
Subject
Re: [c-nsp] NPE-G1 throughput, with and without L2TP






I'm surprised that no one has mentioned the G2 yet.  Just happened to
notice that earlier while looking for something else... 


Chuck 

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Tassos
Chatzithomaoglou
Sent: Thursday, May 04, 2006 12:11 PM
To: Vincent De Keyzer
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] NPE-G1 throughput, with and without L2TP



Vincent De Keyzer wrote on 4/5/2006 18:22:
> Hello,
> 
> 
> 
> imagine a 7200VXR/NPE-G1 with Gig 0/1 aggregating customers, and Gig
0/2
> connected to an IP transit provider. What throughput can I expect
(typical
> Internet traffic): 500 Mbps? More?
> 
> 
> 
> What now it the same traffic is encapsulated into a L2TP tunnel to a
remote
> similar router? By how much will the throughput drop (due to CPU busy
with
> L2TP)?

We get around 180Mbps (x2, coming from one interface and passing through
the
other) spanning across ~3000 L2TP sessions before maxing (95%) the cpu.
But we
use netflow+policing on most of these sessions, so we should get more if
we disable these.

PS: Still haven't tried MPF ;)

--
Tassos

> 
> 
> 
> Vincent
> 
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