Very strange problem with 2.2.2 (and 2.3-rc1) on FreeBSD-5.x

[john heasley]

Fri, Mar 12, 2004 at 03:26:36PM +0100, Erik Wenzel:
> On Thu, Mar 11, 2004 at 10:31:16AM -0800, john heasley wrote:
> > Thu, Mar 11, 2004 at 10:27:16AM +0100, Erik Wenzel:
> > > On Thu, Feb 19, 2004 at 09:43:36AM -0500, Jeff Aitken wrote:
> > > > Hello all,
> > > > 
> > > > I'm seeing a very strange problem with rancid-2.2.2 (and 2.3-rc1).
> > > > I've been talking privately with some of the developers but this has
> > > > all of us stumped.  Part of the problem is that no one has managed to
> > > > duplicate the symptoms I'm seeing, so I'm I'm sending this to the
> > > > -discuss list in the hopes that someone out there has seen something
> > > > similar.  
> > > >From time to time I have dublicate lines in config files, which disappear
> > > on the following run. I use rancid-2.2.2 with expect-5.38.0 and tcl8.4.1
> > > on Solaris8. The occurance is arbitrary, so I am a bit aimless, howto
> > > debug this problem
> > 
> > Could you supply an example, please.
> > 
> > What type of device is being collected?  what connection method, telnet or
> > ssh?
> This is an example output. There are mutiple occurances, when it
> happens:
> ---snip---
>   arp 1.1.1.1 0000.0000.0001 ARPA
> + arp 1.1.1.1 0000.0000.0001 ARPA
>   arp 1.1.1.2 0000.0000.0002 ARPA
>   arp 1.1.1.3.0000.0000.0003 ARPA
> ---snip---
>  
> On the next do-diffs run it disappears with:
> ---snip---
>   arp 1.1.1.1 0000.0000.0001 ARPA
> - arp 1.1.1.1 0000.0000.0001 ARPA
>   arp 1.1.1.2 0000.0000.0002 ARPA
>   arp 1.1.1.3.0000.0000.0003 ARPA
> ---snip---
> 
> This is collected with telnet from a Cisco Catalyst 6500 running IOS
> Version 12.1(19)E1.

we have one of these, but not arp commands in the config.  It nor any
of the other 6500s exhibit this behavior.  Does this occur only with arp
commands by chance?