ZyXEL
– ZyWALL USG Support Notes
All contents copyright (c) 2010 ZyXEL Communications Corporation.
11
Step 13. Configure the
trunk name
and add the two interfaces: PPPoE for
Active and 3G for Passive mode.
Step 14. Select the
User Configured Trunk
rule as the default WAN trunk.
Then it will work using PPPoE as primary and 3G as a backup connection.