أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
it depends on the design of the WAN topology. If the WAN connections are point-to-point, a 30 bit mask (255.255.255.252) will work fine. If the WAN topology uses a point to mutipoint topology, the subnet mask will depend on the number of connections in the topology.
