SonicWALL TZ 190 - page 180

PortShield Deployment Scenario
180
SonicOS Enhanced 4.0 Administrator Guide
4. Uncheck the Enable Interface Trust for new PortShield Interface segments checkbox
to prevent communication between the wireless segment and the office segment. If this
level of security is not necessary, leave the checkbox checked. You can modify these
settings on the Firewall > Access Rules page. Click Next.
5. Click Apply to create the interfaces.
The SonicWALL TZ 180 is now configured such that ports 1, 2, and 5 are for the office LAN,
and ports 3 and 4 are for wireless access.