On 06/10/2013 10:59 PM, Dick Visser wrote:
>>
>> A thought, so only qualifies as "might", I don't know Windows to speak
>> definitively, but ... IPv6 NDP Route Advertisement with the MTU option?
>>
>> Windows then updating the manually-configured value based upon learnt
>> values on the wire?
> 
> Yup, this was the case. I watched it continuously, and when an RA came
> in, it overwrote the manually configured MTU.
> Next question: how do I prevent that from happening?

Is there any reason for which the router is including an MTU option?

Thanks,
-- 
Fernando Gont
e-mail: [email protected] || [email protected]
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