[c-nsp] SUP2 on 6509 Crashing with BGP

Richard J. Sears rsears at americanIS.net
Mon Feb 6 14:08:27 EST 2006


Hi Stephen - 

Thanks for the info - I think the customer is going to bump to SUB720's.

:-)

On Mon, 6 Feb 2006 15:36:25 +0000 (GMT)
"Stephen J. Wilcox" <steve at telecomplete.co.uk> wrote:

> Hi Richard,
>  it'll be related to the IOS you are using and the features you have enabled.
> 
> You should be seeing significant memory being allocated for BGP, Routing, CEF
> 
> For comparison, I have a couple 7206s with 256Mb RAM doing some simple tasks..  
> taking a reflected full feed (so hopefully minimal duplication of routing data)
> they're down to about 15Mb free - time is running out!
> 
> Steve
> 
> On Mon, 6 Feb 2006, Richard J. Sears wrote:
> 
> > Thanks Jon - 
> > 
> > I was running SUP2s for a long time in three of our 6509s doing full BGP
> > with 256MB of ram, but that was a couple of years ago and I know the
> > tables have grown a considerable amount since then.
> > 
> > One interesting issue is the fact that the tables are taking up a lot
> > more memory on this router than on my SUP720 routers for the same number
> > of entries. And the reboot issue is a definite indicator (in my mind
> > anyway) of some other type of problem.
> > 
> > I guess we will try the microsoft method of troubleshooting - add more
> > memory and try again :-)
> > 
> > Thanks for your input !!
> > 
> > On Sun, 5 Feb 2006 23:01:37 -0500 (EST)
> > Jon Lewis <jlewis at lewis.org> wrote:
> > 
> > > On Sun, 5 Feb 2006, Richard J. Sears wrote:
> > > 
> > > > Hey Everyone -
> > > >
> > > > I am working on a 6509 with a SUP2 in IOS mode. I went to bring up BGP
> > > > with two peers today and all went well until I tried to bring up the
> > > > second peer.
> > > 
> > > What IOS version?  If it's recent, like 12.2SX*, you don't have enough 
> > > RAM.  Regardless, that seems to be what the maloc fails are saying.  On a 
> > > 6509 Sup2 with not quite 2 full views, and 512mb RAM, I have 212390720 
> > > free.  If I had 256MB less RAM, I'd be in trouble.
> > > 
> > > > -Traceback= 402382D8 4023A738 40234F84 40235784 407A225C 4077A524 4078C7F4 4078CCF4 4077FD18 40784E7C 4022EC9C 4022EC88
> > > >
> > > > Then both peers go down and the router reboots itself.
> > >                                           ^^^^^^^^^^^^^^
> > > 
> > > You might want to open a TAC case on that.  My experience with other 
> > > ciscos, BGP, full tables, and insufficient RAM, is that the session resets 
> > > and then tries again.  It shouldn't be crashing/rebooting just because it 
> > > ran out of memory.
> > > 
> > > ----------------------------------------------------------------------
> > >   Jon Lewis                   |  I route
> > >   Senior Network Engineer     |  therefore you are
> > >   Atlantic Net                |
> > > _________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
> > 
> > 
> > ******************************************
> > Richard J. Sears
> > CCNP/CCDP/F5SE
> > Vice President & CTO         
> > American Internet Services                          
> > ----------------------------------------------------
> > rsears at americanis.net
> > http://www.americanis.net
> > ----------------------------------------------------
> > 858.576.4272 - Phone
> > 858.427.2401 - Fax
> > INOC-DBA - 6130
> > ----------------------------------------------------
> > 
> > I fly because it releases my mind 
> > from the tyranny of petty things . . 
> > 
> > 
> > "Work like you don't need the money, love like you've
> > never been hurt and dance like you do when nobody's
> > watching."
> > 
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> > 


******************************************
Richard J. Sears
CCNP/CCDP/F5SE
Vice President & CTO         
American Internet Services                          
----------------------------------------------------
rsears at americanis.net
http://www.americanis.net
----------------------------------------------------
858.576.4272 - Phone
858.427.2401 - Fax
INOC-DBA - 6130
----------------------------------------------------

I fly because it releases my mind 
from the tyranny of petty things . . 


"Work like you don't need the money, love like you've
never been hurt and dance like you do when nobody's
watching."



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