Re: [nsp] TCP connections randomly reset

From: Brian (bri@sonicboom.org)
Date: Tue Aug 07 2001 - 11:29:44 EDT


saw the code red flow after sending this, apologies..
Excessive arp is indeed one of the keys to it.

    Bri

----- Original Message -----
From: "Brian" <bri@sonicboom.org>
To: "Blaz Zupan" <blaz@gold.amis.net>; "Dmitri Kalintsev" <dek@hades.uz>
Cc: <cisco-nsp@puck.nether.net>
Sent: Tuesday, August 07, 2001 8:23 AM
Subject: Re: [nsp] TCP connections randomly reset

> Thought about a tac case, or trying another e3 card??
>
> Bri
>
> ----- Original Message -----
> From: "Blaz Zupan" <blaz@gold.amis.net>
> To: "Dmitri Kalintsev" <dek@hades.uz>
> Cc: <cisco-nsp@puck.nether.net>
> Sent: Monday, August 06, 2001 12:47 AM
> Subject: Re: [nsp] TCP connections randomly reset
>
>
> > > Try "sho buffers" and have a look at your Fa0/0 and Fa0/1. It's
possible
> you
> > > get many throttles and drops on them. Get latest eng build of 12.0S or
> 12.2,
> > > if you not doing any ISDN dial-in into them (ISDN dial-in with PRI is
> *very
> > > badly* broken in 12.1 and 12.2 - we're busy trying to dig to the roots
> of
> > > this.
> >
> > Actually, the problem happens even if the connection comes in on one of
> the E3
> > ports and goes out on the other one, so it is not related to Fa0/0 or
> Fa0/1.
> > I've just updated to 12.0(18)S and the problem remains. Currently I have
> no
> > idea where to look further or if the problem is even on our side.
> Interesting
> > enough, the problem only appears when the connection is comming through
> *one*
> > of the E3 ports and going anywhere (the other E3 or any VLAN on the
> > FastEthernets), but not if it's going through the other one.
> >
> > Blaz Zupan, Medinet d.o.o, Trzaska 85, SI-2000 Maribor, Slovenia
> > E-mail: blaz@amis.net, Tel: +386-2-320-6320, Fax: +386-2-320-6325
> >
>



This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:12:48 EDT