From: Brian Hescock (bhescock@xxxxxxxxx)
Date: Wed Oct 03 2001 - 19:12:32 GMT-3
Slightly different topic: Here's a great idea for use in actual
productions networks, point the static route to the physical interface
and the next-hop ip address in the same command. The benfit of this is
the static route is removed if the interface goes down (it wont' be
removed if the next-hop is reachable via another path or if there's a
recursive entry) AND the advantage of adding the next-hop ip address at
the end of the command is we don't arp for the next-hop ip address
(which is a big drawback to just pointing it out the physical interface
such as the fastethernet interface in my example:
ip route 0.0.0.0 0.0.0.0 fa0/0 100.1.1.1
This was in 12.1(10)
Brian
"Erick B." wrote:
> Static routes to interfaces rely on proxy-arp to get
> next hop IP. I'm not sure how well this works over WAN
> interfaces and haven't really looked into it much. I
> always use IP addresses for the next-hop so I know
> where its going for sure. When it fails to work, it's
> usually the other router isn't a Cisco and has
> proxy-arp disabled. At least thats my experience.
>
> --- Dan Pontrelli <dp595@optonline.net> wrote:
> > This is a point-to-point frame with a /30.
> > Static route pointed to next hop interface but it
> > didn't work until I
> > pointed it to the next hop IP.
> >
> > ----- Original Message -----
> > From: "Hansang Bae" <hbae@nyc.rr.com>
> > To: <CCIELAB@groupstudy.com>
> > Sent: Tuesday, October 02, 2001 6:25 PM
> > Subject: Re: Next hop interface vs. Next hop IP
> > (static routes)
> >
> >
> > > At 05:09 PM 10/2/01 -0400, Dan Pontrelli wrote:
> > > >I usually point a static route to the next hop
> > interface for
> > point-to-point
> > > >links, but I occasionally see that it doesn't
> > work and I need to specify
> > the
> > > >next hop IP.
> > > >Can anyone explain this? From what I can see it
> > looks like some kind of
> > bug
> > > >in the route-caching.
> > >
> > >
> > > Were these BRI interfaces? I found that many
> > many BRi (and AUX for that
> > > matter) required that you turn off fast-switching
> > in order for it to work.
> > >
> > > hsb
>
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