I would actually like to disagree, the reason for specifying the interface here is
not so that you can save time, but so that you don't create routing loops. When an
interface is used with the 'ip route' command, the route is then reliant on the
availability of this interface. Then, if you were to say, as Cory has done,
specified an ip route for 0.0.0.0 out eth 0, if you kill eth 0, the router will
try to reach 0.0.0.0 some other way. Also, this command applies to redistribution. If
you are running IGRP and specify an interface, the route will get redistributed even
if you don't have static redistribution on. Here is some cco information on it:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios112/112cg_cr/5rbook/5riprout.htm#xtocid9599104
-Ben Smith
On Fri, 29 Dec 2000, Christopher Larson wrote:
> It actually saves a step in the processing. When you point to an interface
> the router does not have to lookup what interface to switch out of.
>
> ie. 0.0.0.0 0.0.0.0 1.1.1.1
>
>
> The router processes for default then looks up 1.1.1.1 to see what interface
> it is out of then fowards out the interface.
>
> When you tell the router what interface to put it out it saves a step.
> However to answer you question you can do it for all interfaces. At least I
> have not found an instance where you couldn't.
>
>
>
>
> -----Original Message-----
> From: Stull, Cory [mailto:[EMAIL PROTECTED]]
> Sent: Friday, December 29, 2000 12:31 PM
> To: '[EMAIL PROTECTED]'
> Subject: ip route question
>
>
>
> I know I'm showing my ignorance here but I'm tired of trying to find the
> answer on CCO. Must be looking in the wrong places.
>
>
> I just saw a Boson question asking about ip route 0.0.0.0 0.0.0.0 int
> ethernet0
>
>
> I thought you could only point static routes like that out of point to point
> interfaces? For example: ip route 0.0.0.0 0.0.0.0 int ser0
>
>
>
>
>
>
>
> Cory
>
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