Re: NAT on a stick - possible?

From: Sam Munzani (sam@xxxxxxxxxxx)
Date: Fri Jun 15 2001 - 12:01:38 GMT-3


   
It sure is a creative way. Even if you don't use it in real environment,
it's a good brain excercise to put your knowledge to test bed.

Sam

> Darren,
> I seem to remember someone in the TAC had once come up with a really
> kludgy way to do this (i.e. you should think of a better design to meet
> your needs) but it went something like this:
>
> - policy routing in junction with the use of loopbacks
> - ip nat inside on the incoming interface
> - policy route the traffic to a loopback
> - ip nat outside on a loopback
> - policy route the traffic back out the incoming interface. You may need
> to use a second loopback to do this, I can't recall the exact method or
> order of events (I had asked for the config but never received it, it
> might not have worked).
>
> Again, I would never suggest anyone ever do this but it is an interesting
> exercise in "creative" ways you can do things with Cisco routers. Anyone
> up to the challenge in figuring it out? I'll buy lunch as the prize for
> the first person that gives me a working solution. Of course, you have to
> be coming to RTP for the lab in order to collect... ;-)
>
> Brian
>
>
>
> On Fri, 15 Jun 2001, Darren Hosking wrote:
>
> > Is it possible to do "NAT on a stick"? In certain circumstances I want
to
> > have packets enter a router on the inside interface then have NAT
applied
> > and send them back out on the same interface?
> >
> > Any suggestions?
> >
> > Thanks, Darren
> > **Please read:http://www.groupstudy.com/list/posting.html
> **Please read:http://www.groupstudy.com/list/posting.html
**Please read:http://www.groupstudy.com/list/posting.html



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