Chapter 8 Trunk

The following table describes the items in this screen.

Table 64 Configuration > Network > Interface > Trunk

LABEL

DESCRIPTION

Show Advanced

Click this button to display a greater or lesser number of configuration fields.

Settings / Hide

 

Advanced Settings

 

 

 

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

Select this to terminate existing connections on an interface which is set to passive

Connections Before

mode when any interface set to active mode in the same trunk comes back up.

Falling Back

 

 

 

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

Select whether the ZyWALL is to use the default system WAN trunk or one of the

Selection

user configured WAN trunks as the default trunk for routing traffic from internal

 

interfaces to external interfaces.

 

 

User Configuration /

The ZyWALL automatically adds all external interfaces into the pre-configured

System Default

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.

 

 

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.

 

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ZyWALL 110/310/1100 Series User’s Guide