From: Micah Byers (mbyers@gramtel.net)
Date: Thu Jan 20 2005 - 20:34:36 GMT-3
I completely agree with you in that I am sure the 6509 handles that many BGP routes per peer just fine. However, that doesn't really answer any of my questions. You said that CEF Path means the route forwarding done in layer 2, which is really a generic definition that probably more partially describes CEF as a whole.
If you are correct in that definition then you are basically saying that the documentation for all of the IOS releases for this module are wrong (which could be the case... but not that likely) because otherwise it wouldn't handle any more than 150,00 BGP routes.
I am guessing nobody on this list has ran across this, or knows exactly what the author of the document meant by the table presented (judging by the lack of response). And that's ok. I was just trying to see if I could get the specifics... Thanks for the reply!
-Micah-
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of mohamed_n@sifycorp.com
Sent: Thursday, January 20, 2005 1:43 AM
To: peter@cyscoexpert.com
Cc: ccielab@groupstudy.com
Subject: Re: Sup2/MSFC2 - Maximum BGP routes per CEF Path
Iam sure it can accomadate 250k + routes,i have tested!
CEF path means the route forwarding done in Layer2.The packet forwarding done hit the route processor.So speed is high..And SUP720 is still more a gaint than SUP2.
Thanks
Mohamed.
> Micah,
>
> They probably mean hardware routed/switched path, since this is what
> CEF
> does.
> With the new Sup720-3BXL for Cat6500 this is increased to 1 million
> routes.
>
> Peter
> #7247 (R&S, Security, SP)
> CXP Corp.
> 4433 W. Touhy Ave. Suite 410
> Lincolnwood, IL 60712
> Phone (847) 674-3392
> Fax (847) 674-2625
>
> ----- Original Message -----
> From: "Micah Byers" <mbyers@gramtel.net>
> To: <ccielab@groupstudy.com>
> Sent: Wednesday, January 19, 2005 10:15 AM
> Subject: Sup2/MSFC2 - Maximum BGP routes per CEF Path
>
>
> >
> http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/relnotes/ol_3975
> .htm
> >
> >
> >
> > The link above states that the Sup2/MSFC2 with 512MB DRAM can sustain
> a
> maximum of 150,000 BGP routes per CEF Path. What exactly does this
> mean?
> Has anyone ran into this? The Internet BGP table with full routes is
> over
> 150,000 routes now so if this was an issue of routes per peer I would
> think
> this would have become a big problem.
> >
> >
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