You need to do VLAN tagging on WAN with VID 7 for DTAG VDSL connections, this can either be done by the modem (vigor 130) or your router (r2s) - but it needs to be done 'somewhere' (personally I'd opt for doing it on the router).
You need to do VLAN tagging on WAN with VID 7 for DTAG VDSL connections, this can either be done by the modem (vigor 130) or your router (r2s) - but it needs to be done 'somewhere' (personally I'd opt for doing it on the router).