VPN Problem

This number is determining the number of host that can communicate on the present network,the subnet is divided into segments or sections and 255.255.255.0 is adding a total of 254 subnets,that can communicate in the subnet,but not out side this subnet.nothing unusal unless I misunderstood your question.Basically it regulates the traffic on a network,by the system administrator

Check, on your RAS server, which also hosts the VPN connections, check your TCP/IP configuration for the RAS clients. You may have forgotten or incorrectly set the subnet mask there. Under RAS Admin tool.....

What type of VPN server do you have??

I use a Nortel box for my company VPN. With this box I have to configure it through an HTML admin console. It would automatically use the default subnet mask unless I specifically assigned it. Check to seeif your server has something similar. Good Luck!

If you are using RAS or RRAS, you're out of luck. Not only does it prevent most DHCP parameters from being passed on to the clients, it will only allow classful addressing. Example, 10.x.x.x = Classful A = 255.0.0.0, 10.10.109.0 = Classless C (RAS wants a classful) = 255.0.0.0. from RRAS. You CANNOT change this, it is by design.
An option would be create a "network" range on the RRAS server (RAS Service Properties-Network-TCP/IP Propertied-IP Range) and route that "network" using your core router or switch. This is the same limitation of RIP v1.

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