ZyXEL Communications ZyWall USG 50-H Series User Manual page 96

Chapter 6 Tutorials
4 Enable the interface and set the Zone to WAN to apply your WAN zone security
settings. Leaving Zone blank has the ZyWALL not apply any security settings to the 3G
connection. Enter the PIN Code provided by the cellular 3G service provider (0000 in
this example).
In Related Setting, select Add this interface to Trunk to allow WAN load balance.
Click OK.
Figure 47 Network > Interface > Cellular > Edit
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ZyWALL USG 50-H User's Guide