RE: Cipe and MTU

[Daniel Gibbs <d.gibbs,AT,online-bills,DOT,com>]

I may try setting cipe's MTU to 1400 and try windows the only problem is the 
soft I have doents give you(me) the option to choose which adaptor to change 
the mtu for.. so if you can point us to any decent soft that would be 
appreciated..


-----Original Message-----
From: Karl Kleinpaste [mailto:karl,AT,charcoal,DOT,com
Sent: 26 September 2002 06:35 PM
To: cipe-l,AT,inka,DOT,de
Subject: Re: Cipe and MTU



Daniel Gibbs <d.gibbs,AT,online-bills,DOT,com> writes:
> Hi, I've been having problems with some software over CIPE (win2k - >
> redhat).. 
> A mate recently said that I may need to change my MTU..
> Can any one sergest a decent one to try ?


I have been using 1400 for CIPE MTU since January.? See archives from
that time for why, in a thread with subject "MTU weirdness".? (Short
explanation: Some piece of routing hardware between myself and many
[not all] of my destinations stopped doing fragmentation properly.)


Because my machine is also the home network's ipmasq gateway, I have
gone further than merely tuning down CIPE's MTU, to tuning down the
MTU on every host in the home network.? Changing this for a Linux host
is as simple as (under RH) adding "MTU=1400" to
/etc/sysconfig/network-scripts/ifcfg-eth0 or (under Win9x) getting one
of the registry key things you can find on the net to be imported
which will change MTUs.? I can supply one of those, if you need.


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