From: Nick Shah (nshah@xxxxxxxxxxxxxx)
Date: Mon Mar 11 2002 - 03:23:01 GMT-3
Packets above the MTU size (1440) will be fragmented. You can observe the
behaviour by setting the DF bit ..
hth
Nick
-----Original Message-----
From: Kyaw Khine <kkhine@register.com>
To: 'ccielab@groupstudy.com' <ccielab@groupstudy.com>
Date: Monday, 11 March 2002 4:51
Subject: IPSec MTU
>Hi Group,
>
>I was trying to working on IPSec + GRE as in
>http://www.cisco.com/warp/public/707/ipsec_gre.shtml
>
>Everything works fine but I don't really understand why do I have to change
>MTU to be 1440 on the tunnel interface.
>Ping packets are going through IPSec/GRE tunnel even with the packet size
of
>1500.
>
>Any thoughts .. comments ?
>
>Thanks ..
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:56:59 GMT-3