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Re: end2end? (was: RE: Where NAT disenfranchises the end-user ...
From: Brandin L Claar <claar () arl psu edu>
Date: Mon, 10 Sep 2001 17:20:42 -0400


On Mon, Sep 10, 2001 at 08:31:03PM +0000, Miquel van Smoorenburg wrote:
Only if the MTUs on all interfaces of the routers are the same.
Otherwise you might generate a ICMP size exceeded message that
will never reach the sender, breaking Path MTU Discovery.

And now I finally have something to add to this brilliant discussion.  

That is what I truly love about NAT.  It breaks totally inane filth like 
path mtu discovery.  I'm sure if someone had an MTU < ethernet on an
internal router they wouldn't need NAT breaking path MTU discovery to
bring it to their attention.


-- 
Brandin Claar
Network Analyst 
Penn State Applied Research Lab


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