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FortiGate-60B FortiOS 3.0 MR6 Install Guide
44 01-30006-0446-20080910
Adding a Ping Server Configuring the modem interface
config system modem
set action dial
set status enable
set holddown-timer 5
set interface wan1
set passwd1 acct1passwd
set phone1 1234567891
set redial 10
set username1 acct1user
end
Adding a Ping Server
Adding a ping server is required for routing failover for the modem in redundant
mode. A ping server confirms the connectivity to an Ethernet interface. When the
Ethernet connection to the Internet goes down, the ping server will continually
check the interface until it comes up. When it does come up, the FortiGate unit will
switch back to the Ethernet connection and shut down the modem.
To add a ping server to an interface
1 Go to System > Network > Interface.
2 Choose an interface and select Edit.
3 Set Ping Server to the IP address of the next hop router on the network connected
to the interface.
4 Select the Enable check box.
5 Select OK to save the changes.
Dead gateway detection
The FortiGate unit uses dead gateway detection to ping the Ping Server IP
address to make sure the FortiGate unit can connect to this IP address.
Modify dead gateway detection to control how the FortiGate unit confirms
connectivity with a ping server added to an interface configuration. For information
about adding a ping server to an interface, see above.
To modify the dead gateway detection settings
1 Go to System > Network > Options.
2 For Detection Interval, type a number in seconds to specify how often the
FortiGate unit tests the connection to the ping target.
3 For Fail-over Detection, type a number of times that the connection test fails
before the FortiGate unit assumes the gateway is no longer functioning.
4 Select Apply.