Windows 2008R2 MTU reverts to default

[Mikael Abrahamsson]

On Tue, 11 Jun 2013, Daniel Roesen wrote:

> On Tue, Jun 11, 2013 at 07:29:43AM +0200, Enno Rey wrote:
>> b) (much better): have the router advertise the lower MTU you want to use in the RAs by just setting a lower MTU on the (router) interfaces in question.
>> See also: http://blog.ioshints.info/2013/01/mtu-issues-and-tcp-mss-clamping-in.html
>
> Guys... don't mess arbitrarily with link MTUs (RA) when you have
> problems with path MTU.

I believe we've had this discussion before, and it seems to be quote 
subjective.

Personally I prefer to lower my home LAN MTU to my tunnel MTU so as to 
avoid having to do PMTUD adjustment on all traffic (my concern was mostly 
remote->me large packet that incurs an additional RTT for each 
connection).

I seem to remember you differed in opinion. :P

-- 
Mikael Abrahamsson    email: swmike at swm.pp.se