Hello<BR><BR>Read a book about networking but have some question about Subnet mask Why subnet mask is always 255.255.255.0 . Does it mean that I can create just 255 hosts? Can someone brief explain of ...

I set up a l2tp over ipsec vpn for a mac os x client. I can connect fine and I get an address, but the subnet mask is wrong (and corresponds to the class..). If I manually set the IP address and ...