On Fri, Apr 14, 2000 at 02:04:57PM -0400, Christopher W. Curtis wrote:
> "Dr. Michael Weller" wrote:
> >
> > On Wed, 5 Apr 2000, Christopher W. Curtis wrote:
> >
> > > Well, this isn't really true. I used to have both gateways installed as
> > > a metric 1, and when one when down, the other would take over. I could
> > > tell the difference by doing a tracepath and seeing different gateways
> > > being used, without any change in my routing tables.
> >
> > Hmm, I've problems believing that, maybe if both gateways were on
> > different nets and linux noticed the corresponding network card went down
> > ?
>
> I don't know what to tell you. (Sorry for the late reply, btw.) I have
> one default gateway. As Linux choses the first default gw (gw1) for
> routing, I add the new one (gw2) and delete the first. Doing a
> tracepath uses gw1, even though it is not in my routing table. This
> appears to be a cache problem, though, as tracepath'ing a different site
> uses gw2. I then add the first gateway back and tracepath various
> sites; all use gw2, which is the first entry in the routing table listed
> by 'route'.
Try echo 1 > /proc/sys/net/ipv4/route/flush inbetween.
-Andi
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