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SonicOS 5.8.1 Administrator Guide
Note You can add PortShield interfaces only to Trusted, Public, and Wireless zones.
Step 4 In the IP Assignment pulldown menu, select PortShield Switch Mode.
Step 5 In the PortShield to pulldown menu, select the interface you want to map this port to. Only
ports that match the zone you have selected are displayed.
Configuring VLAN Subinterfaces
VLAN subinterfaces are supported on SonicWALL NSA series appliances. When you add a
VLAN subinterface, you need to assign it to a zone, assign it a VLAN Tag, and assign it to a
physical interface. Based on your zone assignment, you configure the VLAN subinterface the
same way you configure a physical interface for the same zone.
Adding a virtual interface
Step 1 In the left-navigation menu click on Network and then Interfaces to display the
Network > Interfaces p
age.
Step 2 At the bottom of the Interface Settings table, click Add Interface. The Edit Interface window
displays.
Step 3 Select a zone to assign to the interface. You can select LAN, WAN, DMZ, WLAN, or a custom
zone. The zone assignment does not have to be the same as the parent (physical) interface. In
fact, the parent interface can even remain Unassigned.
Your configuration choices for
the network settings of the subinterface depend on the zone
you select.
• LAN, DMZ, or a custom zone of Trusted type: Static or Transparent
• WLAN or a custom Wireless zone: static IP only (no IP Assignment list).
Step 4 Assign a VLAN tag (ID) to the subinterface. Valid VLAN ID’s are 1 to 4095, although some
switches reserve VLAN 1 for native VLAN designation. You will need to create a VLAN
subinterface with a corresponding VLAN ID for each VLAN you wish to secure with your security
appliance.
Step 5 Declare the parent (physical) interface to which this subinterface will belong. There is no per-
interface limit to the number of subinterfaces you can assign – you may assign subinterfaces
up to the system limit.