From: fonesurj (dwinkworth@wi.rr.com)
Date: Wed Apr 04 2007 - 14:02:19 ART
Path MTU discovery would have to be allowed in an IPv6 network.
http://www.tcpipguide.com/free/t_IPv6DatagramSizeMaximumTransmissionUnitMTUFragment-2.htm
----- Original Message -----
From: <johngibson1541@yahoo.com>
To: <ccielab@groupstudy.com>
Sent: Wednesday, April 04, 2007 10:53 AM
Subject: Re: Re: routers don't fragment any packet. End hosts all MUST have
path MTU discovery ?
> No. Something is not right here.
>
> I am so shocked to learn that path MTU discovery protocol uses ICMP.
>
> Many enterprise networks block all ICMP packets. How could this path MTU
> discovery thing ever work in our public Internet ?
>
> What are we doing ? I am totally lost.
>
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