[Dnsmasq-discuss] using DHCP to set clients' MTU

Adam Hardy adam.ant at cyberspaceroad.com
Thu Sep 11 16:54:48 BST 2008


Steven Jan Springl on 11/09/08 15:20, wrote:
> On Thursday 11 September 2008 14:08, Adam Hardy wrote:
>> Hi,
>>
>> searched the archives and the net and was surprised not to see any hits
>> for MTU except its generic appearance in log statements.
>>
>> I had to change my MTU on my workstations to1430 to get SMTP and some
>> websites to work (e.g. paypal).
>>
>> Can I tell dnsmasq to send the MTU setting with the DHCP information?
>>
>> My attempts to hack it into the config haven't worked.
>>
>>
>> Thanks
>> Adam
> 
> Adam
> 
> I use the following statement to set the mtu size to 1492 for clients 
> connected to eth0:
> 
> 	dhcp-option=eth0,26,1492

Steve, thanks for the info!

For anyone else looking at this in future, there's a good doc here:

http://www.faqs.org/rfcs/rfc2132.html

All the best
Adam



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