SnapGear 1.7.8 Manuel D’Utilisation

Failed connection 

An Internet connection is considered failed if the SnapGear appliance tests the Internet 
connection the specified number of times, and fails each time. The SnapGear appliance 
can test the Internet connection by ensuring that the physical connection was made 
correctly (i.e. an IP address was received from the ISP), and then pinging a remote host. 

 For some Internet connections (e.g. PPPoE ADSL) you may need to ping a remote host 
to determine if the Internet connection is up or down. The SnapGear appliance will 
usually detect if a PPPoE ADSL Internet connection is down. 

For Internet connection types that require you to specify a static IP address or use 
DHCP, the SnapGear appliance cannot usually detect if the Internet connection is down. 
To ensure that the Internet connection is up, enter a host for the SnapGear appliance to 
ping. 

If the Internet connection fails, the SnapGear appliance will attempt to reconnect to the 
Internet using the main connection for the number of specified times. After each failed 
attempt, the SnapGear appliance will wait the number of seconds specified. 

For PPPoE and dial-up connections, the SnapGear appliance sends an echo request and 
the remote machine responds with an echo reply. The main connection is considered 
down if more than three echo replies do not appear.