ZyXEL ZyWALL USG 20 User Guide - Page 293
Configuring a Trunk - reset to default
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Chapter 12 Trunks Table 76 Configuration > Network > Interface > Trunk (continued) LABEL DESCRIPTION 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 preconfigured system default SYSTEM_DEFAULT_WAN_TRUNK. You cannot delete it. You can create your own User Configuration trunks. Add Edit Remove Object References Click this to create a new user-configured trunk. Double-click an entry or select it and click Edit to open a screen where you can modify the entry's settings. To remove a user-configured trunk, select it and click Remove. The ZyWALL confirms you want to remove it before doing so. Select an entry and click Object References to open a screen that shows which settings use the entry. See Section 11.3.2 on page 232 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. 12.3 Configuring a Trunk Click Configuration > Network > Interface > Trunk and then the Add (or Edit) icon to open the Trunk Edit screen. Use this screen to create or edit a WAN trunk entry. Figure 183 Configuration > Network > Interface > Trunk > Add (or Edit) ZyWALL USG 20/20W User's Guide 293
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