Adding A Ping Server; Dead Gateway Detection - Fortinet FortiGate FortiGate-100 Install Manual

Configuring the modem interface

Adding a Ping Server

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Dead gateway detection

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FortiGate-50A/50B, FortiWiFi-50B and FortiGate-100 FortiOS 3.0 MR4 Install Guide
01-30004-0265-20070831
Example
config system modem
set action dial
set status enable
set holddown-time 5
set interface wan1
set passwd1 acct1passwd
set phone1 1234567891
set redial 10
set username1 acct1user
end
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. If the
Ethernet interface fails, the ping server continually checks to see when the
connection has been restored.
To add a ping server to an interface
Go to System > Network > Interface.
Choose an interface and select Edit.
Set Ping Server to the IP address of the next hop router on the network connected
to the interface.
Select the Enable check box.
Select OK to save the changes.
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, above.
To modify the dead gateway detection settings
Go to System > Network > Options.
For Detection Interval, type a number in seconds to specify how often the
FortiGate unit tests the connection to the ping target.
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.
Select Apply.
Adding a Ping Server
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