Chapter 9 Interfaces
ZyWALL ATP Series User’s Guide
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The following table describes the items in this screen.
9.11.1 Configuring a User-Defined Trunk
Click
Configuration > Network > Interface > Trunk
, in the
User Configuration
table click the
Add
(or
Edit
)
icon to open the
following
screen. Use this screen to create or edit a WAN trunk entry.
Table 114 Configuration > Network > Interface > Trunk
LABEL
DESCRIPTION
Show Advanced
Settings / Hide
Advanced Settings
Click this button to display a greater or lesser number of configuration fields.
Configuration
Configure what to do with existing passive mode interface connections when an
interface set to active mode in the same trunk comes back up.
Disconnect
Connections Before
Falling Back
Select this to terminate existing connections on an interface which is set to passive mode
when any interface set to active mode in the same trunk comes back up.
Enable Default SNAT
Select this to have the Zyxel Device use the IP address of the outgoing interface as the
source IP address of the packets it sends out through its WAN trunks. The Zyxel Device
automatically adds SNAT settings for traffic it routes from internal interfaces to external
interfaces.
Default Trunk Selection
Select whether the Zyxel Device is to use the default system WAN trunk or one of the user
configured WAN trunks as the default trunk for routing traffic from internal interfaces to
external interfaces.
User Configuration /
System Default
The Zyxel Device automatically adds all external interfaces into the pre-configured
system default
SYSTEM_DEFAULT_WAN_TRUNK
. You cannot delete it. You can create your
own
User Configuration
trunks and customize the algorithm, member interfaces and the
active/passive mode.
Add
Click this to create a new user-configured trunk.
Edit
Double-click an entry or select it and click
Edit
to open a screen where you can modify
the entry’s settings.
Remove
To remove a user-configured trunk, select it and click
Remove
. The Zyxel Device confirms
you want to remove it before doing so.
References
Select an entry and click
References
to open a screen that shows which settings use the
entry. See
for an example.
#
This field is a sequential value, and it is not associated with any interface.
Name
This field displays the label that you specified to identify the trunk.
Algorithm
This field displays the load balancing method the trunk is set to use.
Apply
Click this button to save your changes to the Zyxel Device.
Reset
Click this button to return the screen to its last-saved settings.