[59879] in North American Network Operators' Group

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Re: rfc1918 ignorant

daemon@ATHENA.MIT.EDU (Dave Temkin)
Wed Jul 23 13:55:42 2003

Date: Wed, 23 Jul 2003 13:50:05 -0400 (EDT)
From: Dave Temkin <dave@ordinaryworld.com>
To: Lyndon Nerenberg <lyndon@orthanc.ab.ca>
Cc: David Schwartz <davids@webmaster.com>, "" <variable@ednet.co.uk>,
	"" <nanog@merit.edu>
In-Reply-To: <F20395D2-BD35-11D7-B5C2-000393D34A62@orthanc.ab.ca>
Errors-To: owner-nanog-outgoing@merit.edu


Needs is a tough call.  Plenty of networks block ICMP at the border and
could very well be using 1918 addressing in between and you'd have no
idea.


-- 
David Temkin

On Wed, 23 Jul 2003, Lyndon Nerenberg wrote:

>
> On Wednesday, July 23, 2003, at 11:40  AM, Dave Temkin wrote:
> > Except you're making assumptions as to how that router is used.
> >
> > If it's being used for purely transit then your third paragraph doesn't
> > apply at all.  The traffic is not originating or terminating there, it
> > is
> > merely passing through.
>
> When the router needs to send an ICMP packet back to the source it
> becomes an originator.
>
> --lyndon
>

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