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9-4 User’s Reference Guide
the router should try to Auto-Recover when the backup is invoked because of a Layer 2 loss. (Layer 1
is still available, and this is what recovery checks.) Use this setting with caution. Setting it to Yes may
induce alternate switching back and forth between Backup and Recovery Mode. This setting also
determines the recovery behavior of a Manual backup and Ping failure backup. These two failures are
treated as Layer 2 failures.
■ Select Data Rate (kbps)... and choose your modem speed (19.2, 38.4, 57.6, 115.2, or 230.4) from the
pop-up menu.
■ The default Modem Initialization String is AT&F&C1&D2E0S0=1. You can edit it if you need to. Refer to
your modem’s documentation.
■ The default Modem Dialing Prefix is ATDT. You can edit it if you need to. Refer to your modem’s
documentation.
■ Data Link Encapsulation is set to Async PPP. This field is not editable.
Note: Auxiliary port configuration in the Line Configuration Screen for the WAN module is hidden if backup is
enabled and no Internal modem WAN module is installed.
IP Setup screen
The IP Setup screen now permits entry of a backup IP gateway address. This field is visible if the Default IP
Gateway field is filled out and Backup is enabled. You must have a default gateway configured for the backup
gateway item to become visible. If you delete the default gateway the backup gateway entry moves into its
place.
For more information on IP Setup see “IP Setup and Network Address Translation” on page 10-1.
IP Setup
Ethernet IP Address: 3.3.3.3
Ethernet Subnet Mask: 255.0.0.0
Define Additional Subnets...
Default IP Gateway: 1.1.1.3
Backup IP Gateway: x.x.x.x
Primary Domain Name Server: 0.0.0.0
Domain Name:
Receive RIP: Both
Transmit RIP: Off
Static Routes...
IP Address Serving Setup
Network Address Translation (NAT)...
Filter Sets...
Enter an IP address in decimal and dot form (xxx.xxx.xxx.xxx).
Set up the basic IP attributes of your Netopia in this screen.