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Then configure Management LAN Interface (eth1) with the same IP setting that you used for the
main Network Interface (eth0) to ensure transparent redundancy
In this mode, Network 2 (eth1) is available as the transparent back-up port to Network 1 (eth0) for
accessing the management network. Network 2 will automatically and transparently take over the work
of Network 1 if for any reason Network 1 becomes unavailable. And when Network 1 becomes available
again, it takes over the work again.
5.4 Dial-Out Failover
The Console Servers can be configured so a dial-out PPP connection is automatically set up in the event
of a disruption in the principal management network:
When configuring the principal network connection in System: IP, specify Internal Modem (or the
Dial Serial DB9 if using an external modem on the Console port) as the Failover Interface to be used
when a fault has been detected with Network1 (eth0)
Specify the Probe Addresses of two sites (the Primary and Secondary) that the Console Server is to
ping to determine if Network1 is still operational
Select the System: Dial menu option and the port to be configured (Serial DB9 Port or Internal
Modem Port)
Select the Baud Rate and Flow Control that will communicate with the modem
Note You can further configure the console/modem port (e.g. to include modem init strings) by editing
/etc/mgetty.config files as described in Chapter 13.
Check the Enable Dial-Out Access box and enter the access details for the remote PPP
server to be called