Chapter 13 Interfaces
ZyWALL USG 300 User’s Guide
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* - You cannot set up a PPP interface, virtual Ethernet interface or virtual VLAN interface if the underlying
interface is a member of a bridge. You also cannot add an Ethernet interface or VLAN interface to a
bridge if the member interface has a virtual interface or PPP interface on top of it.
Finding Out More
• See Section 6.2 on page 92 details on the differences between physical ports,
interfaces, and zones in the ZyWALL.
• See Section 6.5.4 on page 101 for related information about the Interface
screens.
• See Section 13.12 on page 358 for background information on interfaces.
• See Section 7.1 on page 115 for an example of configuring Ethernet interfaces,
port grouping, and zones.
• See Section 7.2 on page 118 for an example of configuring a cellular (3G)
interface.
• See Section 7.4 on page 123 for an example of setting up a wireless LAN.
• See Chapter 14 on page 363 to configure load balancing using trunks.
VLAN interface Ethernet interface
bridge interface Ethernet interface*
VLAN interface*
PPP interface Ethernet interface*
VLAN interface*
bridge interface
virtual interface
(virtual Ethernet
interface)
(virtual VLAN interface)
(virtual bridge
interface)
Ethernet interface*
VLAN interface*
bridge interface
trunk Ethernet interface
Cellular interface
VLAN interface
bridge interface
PPP interface
auxiliary interface
Table 57 Relationships Between Different Types of Interfaces (continued)
INTERFACE
REQUIRED PORT /
INTERFACE