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Chapter 8 Trunk
ZyWALL 110/310/1100 Series User’s Guide
181
The following table describes the items in this screen.
8.2.1 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 64 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.
Enable Link Sticking Enable link sticking to have the system route sessions from one source to the same
destination through the same link for a period of time. This is useful for accessing
server that are incompatible with a user's sessions coming from different links.
For example, this is useful when a server requires authentication.
This setting applies when you use load balancing and have multiple WAN interfaces
set to active mode.
Timeout Specify the time period during which sessions from one source to the same
destination are to use the same link.
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 ZyWALL use the IP address of the outgoing interface as the
source IP address of the packets it sends out through its WAN trunks. The ZyWALL
automatically adds SNAT settings for traffic it routes from internal interfaces to
external interfaces.
Default Trunk
Selection
Select whether the ZyWALL 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 ZyWALL 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 ZyWALL
confirms you want to remove it before doing so.
Object References Select an entry and click Object References to open a screen that shows which
settings use the entry. See Section 7.3.2 on page 122 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 ZyWALL.
Reset Click this button to return the screen to its last-saved settings.