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Both of your questions pretain to subnetting basics -First question:You need to change your netmask. The host addresses that fall within the 255.255.255.128 mask for the addresses that you specified are 212.240.137.1 - 212.240.137.127. Your second gl...
If I am correct, your NAT solution still does not allow for users on the DMZ interface to initate connections to users on the Internal interface. How about trying - static (inside, DMZ) 10.x.x.x 10.x.x.x netmask 255.255.0.0 0 0. Ensure that the acces...