Netopia 4553 User Manual

Page 133

Virtual Private Networks (VPNs) 10-133

When you define a Connection Profile as using ATMP by selecting ATMP as the datalink encapsulation method,
and then select Data Link Options, the ATMP Tunnel Options screen appears.

Note: An ATMP tunnel cannot be assigned a dynamic IP address by the remote ser ver, as in a PPP connection.
When you define an ATMP tunnel profile, the Local WAN IP Address, assigned in the IP Profile Parameters
screen, must be the true IP address, not 0.0.0.0, if NAT is enabled.

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ATMP Partner IP Address specifies the address of the other end of the tunnel. When unspecified, the
gateway can not initiate tunnels (i.e., act as a foreign agent) for this profile; it can only accept tunnel
requests as a home agent.

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When you specify the ATMP Par tner IP Address, and the address is in the same subnet as the Remote IP
Address you specified in the IP Profile Parameters, you can specify the route (Tunnel Via Gateway) by which

Add Connection Profile

COMMIT CANCEL

ATMP Tunnel Options

ATMP Partner IP Address: 173.167.8.134
Tunnel Via Gateway: 0.0.0.0

Network Name: sam.net
Password: ****

Data Encryption... DES
Key String:

Initiate Connections: Yes
On Demand: Yes

Idle Timeout (seconds): 300