[TriLUG] Can't reach default gateway

[Jason Tower]

ooooooh, i love network problems!  i'll be out running errands tomorrow and 
would be happy to stop by and give you a hand if you wish.

jason

On Monday 09 December 2002 12:30, Ryan Leathers wrote:
> Its not easy to get these off the hosts, but I have looked at them and
> don't find anything odd
>
> -----Original Message-----
> From: Scott Stancil [mailto:sstancil at geekrooms.com]
> Sent: Monday, December 09, 2002 11:36 AM
> To: trilug at trilug.org
> Subject: Re: [TriLUG] Can't reach default gateway
>
> Could you cat /etc/sysconfig/network and /etc/sysconfig/ifcfg-eth* to
> us?
>
> > I am baffled.
> >
> > During some recent down time in my network I made some changes to
> > hardware and topology.
> > Several hosts in the network run Redhat 6.2 and have static addresses
> > from 172.16.130.0/24.
> > The default gateway for these hosts is 172.16.130.1
> >
> > I am able to reach Windows PC's and Redhat 8 Servers in the
>
> 172.16.130.0
>
> > network but I can't reach the Redhat 6.2 hosts.
> > In fact, the Redhat 6.2 hosts can't ping the default gateway though
>
> they
>
> > can reach other hosts in the same network.
> >
> > I replaced one of the Redhat 6.2 hosts with a Redhat 8 box using the
> > same cabling and addressing - this was successful.
> >
> > Is there some configuration on the Redhat 6.2 hosts that could be
>
> doing
>
> > this?  The configs have not changed on these hosts, but the router
> > interface they use as their default gateway has changed.  Still, I
>
> don't
>
> > understand why every other type of host is working if the problem is
>
> at
>
> > the router (there are no ACL's on the router)
> >
> > Can anyone suggest a plausible explanation for this behavior ?  I am
>
> in
>
> > a crunch and can't afford to upgrade everything to Redhat 8 right now.
> >
> > Thanks,
> > Ryan