Setup guide

5. Click Return and verify that the NAT Table address for IP address of LAN appears to be the

IP address of the LAN computer.

6. Your Airstation AccessPoint is now set to allow all Protocols to pass through for your computer.

7. If you prefer to limit the access of Protocols to pass through, please select Specify IP Protocol

number from Port setting and specify the Protocol Number

For example:

ICMP: Protocol Number 1

IGMP: Protocol Number 2

TCP: Protocol Number 6

UDP: Protocol Number 17

GRE3 (PPTP): Protocol Number 47

The Generic Route Encapsulation (GRE) protocol is used in conjunction with Point-to

Point Tunneling Protocol (PPTP) to create virtual private networks (VPNs) between clients

or between clients and servers.