[c-nsp] Problems when configuring BGP on 4506

[Church, Charles]

Scott,

	The Sup 6E can hold up to 256K routes, all other 4500 Sups I
think are half that or less.  If you want a full table these days, the
4500 can't do it.  It's not a memory limitation, it's in the hardware.
Archives have it covered in great detail.

Chuck 

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Scott Granados
Sent: Wednesday, August 20, 2008 4:51 PM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] Problems when configuring BGP on 4506


I'm new with the 4506 so this may be an obvious problem.

In my case I have one 4506 that I'm using the layer 3 routing option.
I'm 
trying to send 1 full BGP feed for now for the purposes of testing, 
eventually I'll add another to make the excersize meaningful.  My
problem is 
this, when I turn up the session after a few seconds up to a minute the 
routes withdraw and when I do a show ip BGP a.b.c.d I see the route
entry 
and it's indicated to have no path available unaccessible.  When the
routes 
first install they have the path available and work.  In parallel, I'm 
noticing a series of IP Cef Distributed errors concerning low memory.
(no 
bgp log messages)

So, am I seeing a limitation in the number of routes I can install?  The
cpu 
shows 512 megs installed, is there a software limit that I'm bumping in
to?

The switch is running 12.1-19 ?

Is this a hardware / memory issue or should I check in other areas?
What 
would make a bgp table full of routes remove once the table is
downloaded?

Thank you
Scott

P.S.  Sorry if this is a n00by question, the 4506 is a new switch in my
lab 
and google hasn't yielded me to many usable pointers yet. 

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