RE: CIsco 7206VXR w/NPE-G1 Question

[alex () pilosoft com]

Wow, that's quite an accusation.

No, I don't use neither Cisco nor Juniper hardware in my network. 

For what its worth, 6500 with sup2 and better is also line-rate, at any
mix of traffic, with any services.

Happy now?

Alex Pilosov    | DSL, Colocation, Hosting Services
President       | alex () pilosoft com    (800) 710-7031
Pilosoft, Inc.  | http://www.pilosoft.com

On Fri, 30 Jan 2004, Matt Ryan wrote:

> Do you get commission from Juniper?
>
>
> Matt.
>
> -----Original Message-----
> From: alex () pilosoft com [mailto:alex () pilosoft com]
> Sent: 30 January 2004 16:51
> Cc: nanog () merit edu
> Subject: RE: CIsco 7206VXR w/NPE-G1 Question
>
>
>
> Keep in mind, 72xx is still flow-based, so you need to count *both* shared 
> fabric capacity (aka PCI buses) and capacity of NPE to establish flows 
> (aka pps rate).
>
> NPE-G1 might probably route 3*GE, without any services and if all 3GE are 
> in a single flow, but will melt down at a face of one-packet-per-flow DDoS 
> (read: "Nachi" worm) at a far lower rate (I'd be surprised if it sustains 
> 200kpps DDoS traffic, which can be as low as 150Mbit bandwidth). 
>
> That is of course, as opposed to Juniper, which is truly line-rate at any
> interface, with any services, at any composition of traffic.
>
> -alex
>
> On Fri, 30 Jan 2004 Jack.W.Parks () alltel com wrote:
>
> > Does anyone have definitive speed results on the 3 "built-in" Gig ports
> > on the NPE-G1?  I know that they aren't attached to the PCI Buses, and
> > don't consume bandwidth points, but all of that is mute.  Can all three
> > of the ports do line rate Gig?  The Gig PA is limited to 400Mbps.  I
> > have seen posts that allude to the fact the max throughput on the 3 Gigs
> > are 800Mbps.  It's is like a big mystery that cannot be solved.  With a
> > "J" M7i, I know I'm going to get line rate per port up to the total
> > forwarding capacity of the FPC.
> >
> > We are trying to create a comparison matrix and any info you have would
> > be great.
> >
> > Jack
> >
> >
> > -----Original Message-----
> > From: owner-nanog () merit edu [mailto:owner-nanog () merit edu] On Behalf Of
> > Simon Hamilton-Wilkes
> > Sent: Friday, January 30, 2004 9:36 AM
> > To: nanog () merit edu
> > Subject: RE: CIsco 7206VXR w/NPE-G1 Question
> >
> >
> >
> > One more interesting feature - if you need a 4th GigE port, you can add
> > the GigE I/O card which still uses none of the bus bandwidth points.
> > The buses are fine for OC3 and below...
> >
> >
> > Simon
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