----- Original Message -----
From: "John Neiberger"
To:
Cc:
Sent: Wednesday, September 19, 2001 1:17 PM
Subject: Re: NAT and Telnet [7:20362]
> Might this have something to do with differences in the way NAT treats
> TCP vs. ICMP? I haven't worked with NAT much so this is a good brain
> teaser.
>
Yes, it is in some way related...also has something to do with a new
'feature' in 12.1 and above with NAT.
> John
>
> >>> "EA Louie" 9/19/01 2:15:34 PM >>>
> okay... we'll be waiting for your thoughts to be 'collected' ;-) ---
> more
> below
>
> ----- Original Message -----
> From: "Chuck Larrieu"
> To: "EA Louie" ;
> Sent: Wednesday, September 19, 2001 10:31 AM
> Subject: RE: NAT and Telnet [7:20362]
>
>
> > I'll have to think about the solution for a bit, but the reason it
> happens
> > is really quite simple. I posted a problem like this a "Friday Folly"
> or a
> > "Weekend Folly" a couple of months back.
> >
> > think in terms of router operation. e.g. what happens when a packet
> is
> > received on an interface.
> >
> Actually, this is not really an order of operation issue.
>
> > knowing router behaviour as well as protocol behaviour can help one
> solve
> a
> > LOT of problems
> > ( hint, hint ;-> )
>
> Here's a BIG hint: as a protocol, NAT is bi-directional. ;-)
>
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf
> Of
> > EA Louie
> > Sent: Tuesday, September 18, 2001 10:28 PM
> > To: [EMAIL PROTECTED]
> > Subject: NAT and Telnet [7:20362]
> >
> >
> > I posted this on the Lab list...but I thought some folks here might
> enjoy
> > the
> > challenge, too. (Apologies to those who are on both for the
> cross-post)
> >
> > I was going to post a "how to" question about NAT, but I figured it
> out so
> I
> > thought I'd share the information with the list and challenge you
> with the
> > solution.
> >
> > When using the address of the outside interface as the NAT overload
> address,
> > I
> > could not telnet into the router. I could ping, but the telnet
> sessions
> > would
> > time out.
> >
> > I came up with a solution - can any of you figure out what it was?
> And
> does
> > anyone know the reason that this happens?
> >
> > -e-
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