From: John Matus (john_matus@hotmail.com)
Date: Wed Jun 15 2005 - 02:07:00 GMT-3
so is the "protocol" mtu set by the global mtu option? i know from dealing
w/ the 3550 switches that i always have to change the interface mtu to 1500
for ospf adj's to form <since the default is 1504 i believe>......
>From: eldho paul <eldho_paul@sify.com>
>To: John Matus <john_matus@hotmail.com>
>CC: ccielab@groupstudy.com
>Subject: Re: system mtu
>Date: Wed, 15 Jun 2005 10:31:17 +0500 (IST)
>
> If an IP packet exceeds the MTU set for the interface, the Cisco IOS
>software will fragment it.
>
>All devices on a physical medium must have the same protocol MTU in order
>to operate.
>Regards,
>Eldho.
>
>
>
>
>
>john_matus@hotmail.com:
>
> > question regarding mtu on an interface and globally and how the
>2<br>interact
>with each other...
>i think i know part of it but i don't<br>know which direction it works..
>
>is it - if the interface exceeds<br>it's own mtu, then it will fragment
>packets in accordance with the<br>system mtu? or is it the other way
>around....
>or....
>
>is the<br>global mtu the default for all interfaces and the interface mtu
>just<br>
>overrides the global<br>setting?
>
>TIA
>
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