Product specifications

Efficient Networks
®
Router family
Command Line Interface Guide
Chapter 6: Connection Management
Efficient Networks
®
Page 6-9
Optionally, Dial Backup can actively test the status of the DSL link by pinging IP
addresses. For this option, you must specify at least one IP address; default values
are provided for:
• Ping interval, number of samples, and minimum success rate
Step 4 Specify the modem parameters (if the default values are not appropriate).
Step 5 Enable Dial Backup by doing all of the following:
• Check that the remote profile created in step 2 is enabled (use the command:
remote list).
• Enter the command: system backup enable
• Enter the commands: save and reboot.
NOTE:
The router determines only at reboot whether its serial port is to be used for console
output or for Dial Backup. If Dial Backup is enabled at reboot, then the serial port is
assigned to Dial Backup and console output is not sent to the serial port; this cannot
change until the next reboot.
Task Complete
Specifying the Dialup Parameters
To use the asynchronous modem to connect to the ISP, the router requires a remote
entry defining the connection parameters for the serial port.
Dial Backup can be enabled only when a remote entry exists that:
• defines an asynchronous interface using the PPP protocol,
• specifies at least one phone number,
• specifies a user name, and
• is enabled.
The remote entry should also turn off authentication and specify a remote route.
The following is an example of commands that define a Dial Backup remote profile
named backup.
remote add backup
# Define the interface as asynchronous and using the PPP protocol.
remote setprefer async backup
remote setprotocol ppp backup