Netopia r6100 Verweisanleitung

Note: Ascend does not suppor t DES encr yption for ATMP tunnels.

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You must specify an 8-byte Key String when DES is selected. When encr yption is None, this field is 
invisible.

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You can specify that this router will Initiate Connections, acting as a foreign agent (Yes), or only answer 
them, acting as a home agent (No).

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Tunnels are normally initiated On Demand; however, you can disable this feature. When disabled, the 
tunnel must be manually established through the call management screens.

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You can specify the Idle Timeout, an inactivity timer, whose expiration will terminate the tunnel. A value of 
zero disables the timer. Because tunnels are subject to abrupt termination when the underlying datalink is 
torn down, use of the Idle Timeout is strongly encouraged.

An alternate way to force a tunnel to stay up is to define a forced up scheduled connection for the profile. 
The method works the same way as creating a forced up scheduled connection for the line backup feature. 
See 

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Return to the Connection Profile screen by pressing Escape.

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Select IP Profile Parameters and press Return. The IP Profile Parameters screen appears.

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Enter the Remote IP Address and Remote IP Mask for the host to which you want to tunnel.

Note: A peculiarity associated with VPNs is that when a foreign agent has NAT applied to a Connection Profile 
set for ATMP data link encapsulation, the home agent and devices behind it, cannot Ping the foreign agent's 
tunnel end-point IP address. This is because ICMP packets have no por t association, and thus will be discarded 
rather than being processed by NAT.

Ordinarily, Ping is an excellent troubleshooting tool, but it will not be effective in this circumstance. Instead, use 
another TCP- or UDP-based network ser vice for troubleshooting. Since the Netopia Router is capable of ser ving 
Telnet and HTTP, we recommend using these ser vices instead of Ping.

                            IP Profile Parameters

         Address Translation Enabled:       Yes

         NAT Map List...                    Easy-PAT
         NAT Server List...                 Easy-Servers

         Local WAN IP Address:              0.0.0.0

         Remote IP Address:                 173.167.8.10
         Remote IP Mask:                    255.255.0.0

         Filter Set...
         Remove Filter Set

         Receive RIP:                       Both

Enter a subnet mask in decimal and dot form (xxx.xxx.xxx.xxx).