[c-nsp] ICMP and SUP720

[Saku Ytti]

On (2005-11-23 14:02 -0800), Ronen Isaac wrote:

> Thanks Mikael,
> That makes me feel like I am on the right track.  Just out of curiosity
> do you know how ICMP is handled on the 720?  Is it still done in
> software?  

 I think the bit of information you're looking for is not about 
the ICMP to 720, but ICMP through it, and indeed ICMP through
it is in hardware.
 Also 720 does CoPP in hardware, so you can protect it
very well.

HTH,

> Thanks again!
> 
> Kind Regards,
> Ronen Isaac
> Continental Computers
> 920 N. Nash St. Bldg B
> El Segundo, CA 90245
> 310/416-1200:voice
> 310/350-8456:cell
> 310/416-1443:fax
> ronen at conticomp.com
> www.conticomp.com
> www.webuycisco.com
> AOL IM: ccro02
>  
> **Your trusted partner is DEC, CISCO, COMPAQ, JUNIPER and more for over
> 20 years.  Now Premiere Partners for Airaya wireless bridges too!
> 
> -----Original Message-----
> From: Mikael Abrahamsson [mailto:swmike at swm.pp.se] 
> Sent: Wednesday, November 23, 2005 1:56 PM
> To: Ronen Isaac
> Subject: RE: [c-nsp] ICMP and SUP720
> 
> On Wed, 23 Nov 2005, Ronen Isaac wrote:
> 
> > That is exactly right.  We are planning to swap hardware but we are
> just
> > trying to figure out what the best solutions is.  Would you have any
> > suggestions?  Would the 6500 with SUP720 be a good choice?  Thank you!
> 
> Yes, the Sup720 is a good choice. If you need full internet tables, be 
> sure to get the XL version.
> 
> We opted for swap of our BD blades to get ICMP Fast path on our extremes
> 
> as well (they do this as of approximately a year), it has worked very 
> well. We use BD, Alpine and 48si:s for distribution and Sup720 7600 or
> GSR 
> for core.
> 
> > Kind Regards,
> > Ronen Isaac
> > Continental Computers
> > 920 N. Nash St. Bldg B
> > El Segundo, CA 90245
> > 310/416-1200:voice
> > 310/350-8456:cell
> > 310/416-1443:fax
> > ronen at conticomp.com
> > www.conticomp.com
> > www.webuycisco.com
> > AOL IM: ccro02
> >
> > **Your trusted partner is DEC, CISCO, COMPAQ, JUNIPER and more for
> over
> > 20 years.  Now Premiere Partners for Airaya wireless bridges too!
> >
> > -----Original Message-----
> > From: Mikael Abrahamsson [mailto:swmike at swm.pp.se]
> > Sent: Wednesday, November 23, 2005 1:49 PM
> > To: Elmar K. Bins
> > Cc: Ronen Isaac; cisco-nsp at puck.nether.net
> > Subject: Re: [c-nsp] ICMP and SUP720
> >
> > On Wed, 23 Nov 2005, Elmar K. Bins wrote:
> >
> >> I'm not sure whether I should ask this; maybe it sounds pretty silly
> > to
> >> you: Have you thought about filtering ICMP, at least ICMP traffic
> > that's
> >> destined for the router itself?
> >
> > ICMP on certain Extreme Networks platforms are handled in slow-path,
> so
> > there isnt much to do about it but to swap hardware.
> >
> > -- 
> > Mikael Abrahamsson    email: swmike at swm.pp.se
> >
> 
> -- 
> Mikael Abrahamsson    email: swmike at swm.pp.se
> 
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-- 
  ++ytti