Protokol PPTP (Point-to-Point Tunneling Protocol) je nekompatibilní s IPv6. Změňte typ virtuální privátní sítě na protokol L2TP (Layer Two Tunneling Protocol).
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English version
Point-to-Point Tunneling Protocol (PPTP) is incompatible with IPv6. Change the type of virtual private network to Layer Two Tunneling Protocol (L2TP)