[Dnsmasq-discuss] Advertising link MTU in the RA

Simon Kelley simon at thekelleys.org.uk
Mon May 13 11:01:49 BST 2013

On 10/05/13 15:26, Yuri Pankov wrote:
> Hi,
> Is there a way to specify link MTU sent in the RA (same as AdvLinkMTU
> option in radvd)?
> Running:
> Dnsmasq version 2.62 Copyright (c) 2000-2012 Simon Kelley
> Compile time options: IPv6 GNU-getopt no-DBus no-i18n no-IDN DHCP DHCPv6
> no-Lua TFTP no-conntrack

The current release (2.66) sends the MTU of the server's interface 
automatically in the RA. I'm not sure if that was added after 2.62, but 
I think not.

There's no way to specify a value other that the value derived from the 
local interface.



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