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Chapter 15 Policy and Static Routes

ZyWALL USG 1000 User’s Guide

Source 
Network 
Address 
Translation

Select none to not use NAT for the route.

Select outgoing-interface to use the IP address of the outgoing 
interface as the source IP address of the packets that matches this 
route. If you select outgoing-interface, you can also configure port 
trigger settings for this interface.

To use SNAT for a virtual interface that is in the same WAN trunk as the 
physical interface to which the virtual interface is bound, the virtual 
interface and physical interface must be in different subnets.

Otherwise, select a pre-defined address (group) to use as the source IP 
address(es) of the packets that match this route.

Use Create new Object if you need to configure a new address (group) 
to use as the source IP address(es) of the packets that match this route.

Port Triggering

Configure trigger port forwarding to allow computers on the LAN to 
dynamically take turns using a service that uses a dedicated range of 
ports on the client side and a dedicated range of ports on the server 
side.

Note: You need to create a firewall rule to allow an incoming service 

before using a port triggering rule.

Add

Click this to create a new entry. Select an entry and click Add to create 
a new entry after the selected entry.

Edit

Select an entry and click this to be able to modify it. You can also just 
double-click an entry to be able to modify it.

Remove

Select an entry and click this to delete it. 

Move

The ordering of your rules is important as they are applied in order of 
their numbering.

To move an entry to a different number in the list, click the Move icon. 
In the field that appears, specify the number to which you want to move 
the entry.

#

This is the rule index number. 

Incoming 

Service

Select the service that the client computer sends to a remote server. 

The incoming service should have the same service or protocol type as 
what you configured in the Service field.

Trigger 

Service

Select a service that a remote server sends. It causes (triggers) the 
ZyWALL to forward the traffic (received on the outgoing interface) to 
the client computer that requested the service.

Bandwidth 
Shaping

This allows you to allocate bandwidth to a route and prioritize traffic that 
matches the routing policy. 

You must also enable bandwidth management in the main policy route 
screen (Network > Routing > Policy Route) in order to apply 
bandwidth shaping.

Table 82   Configuration > Network > Routing > Policy Route > Edit (continued)