Problem with closing tcp session between cisco and freebsd

Bjoern A. Zeeb bzeeb-lists at lists.zabbadoz.net
Tue Mar 16 03:30:18 PST 2004


On Tue, 16 Mar 2004, Andre Oppermann wrote:

> Zherdev Anatoly wrote:
> >
> > On Tue, 16 Mar 2004 10:59:06 +0100
> > Andre Oppermann <andre at freebsd.org> wrote:
> >
> > > Zherdev Anatoly wrote:
> > > >
> > > > Hello.
> > > >
> > > > I have problem with tcp session close between cisco and freebsd
> > > > Looks like that it bug in freebsd tcp stack.
> > >
> > > What version of FreeBSD and Cisco IOS do you run on these machines?
> >
> > OOPS. Sorry :(
> >
> > FreeBSD 4.9-STABLE cvsupped March 3
> > Cisco IOS 12.2.19a ip only Cisco 5300
>
> Do you know when it was working correctly the last time?  Do you have
> another machine (4.9R or lower, or 5.2 or 5.C) to test against?  On
> March 2 the commit of the TCP segment reassembly queue limiter has
> been done but that does not change TCP processing otherwise in any
> way.  A month ago the TCP-MD5 stuff has been committed.  A year ago
> there have been some NewReno fixes.
>
> So no obvious suspect.  Before digging deep into the code its better
> to have some more surrounding information.

Another question: any packet filters in between ?

-- 
Bjoern A. Zeeb				bzeeb at Zabbadoz dot NeT
56 69 73 69 74				http://www.zabbadoz.net/


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