WIndows Updates Fail Via IPv6

Tue Nov 13 10:38:56 UTC 2018

On 12/Nov/18 20:34, Mikael Abrahamsson wrote:

>  
>
> Are you doing TCP MSS adjust/clamping? If you don't, try that and see
> if it helps. This might be a PMTUD issue.
>
> Otherwise if possible, try lowering the MTU sent in RA to the one you
> have on your tunnel (this depends on if this is available to you in
> your RA sending device).

Thanks, Mikael.

I'll have a sniff and see of this helps.

Mark.