[CentOS] Re: Sendmail and pmtu discovery

Tue Oct 14 19:25:25 UTC 2008
Ralph Angenendt <ra+centos at br-online.de>

Les Mikesell wrote:
> Ralph Angenendt wrote:
>>
>> As said, they deliberately broke their internet connection, so there isn't
>> much you can do except setting your MTU to an extremely low value and 
>> hope that there's nothing in between which has an even lower MTU.
>
> It doesn't have to be extremely low, it just has to be low enough.  The  
> usual reason for needing to be less than the 1500 bytes permitted by  
> ethernet would be using some sort of tunnel protocol for PPOE or a VPN.  
> 1460 might keep everybody happy.

Might being the operative word here, yes.

Ralph
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