many thanks to all @ swisscom who helped me
it was CG NAT, not ds-lite
(I had a week ago an issue with UPC and ds-lite; so was my fault)
now back to dual stack and all works :)
have a nice weekend,
2017-10-27 9:00 GMT+02:00 WolfSec-Support <supp...@wolfsec.ch>:
> could be someone from swisscom so kind and contact me offlist via email
> our customer has a swisscom dsl connection and last week they changed
> these to v6.
> he already tried 3 times via swisscom helpdesk without success.
> the first level seems to have no idea about ds lite and v6... ;-/
> we want to go back to v4 native.
> in customer center we have deactivated v6 - but it is still online via v6
> and ds-lite
> we did all what was explained:
> - switchoff modem for an hour
> - reboot 3 times router etc
> effectively now the vpn is for sure not working via ds lite and carrier
> grade NAT....
> thanks in advance
> Besten Dank.
> Freundliche Grüsse,
> Swiss Post Box: 104213
> Zürcherstrasse 161
> CH-8010 Zürich
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