Filter
Top Products
Chapter 10 Interface
ZyWALL USG 1000 User’s Guide
184
10.1.6 Relationships Between Interfaces
In the ZyWALL, interfaces are usually created on top of other interfaces. Only Ethernet
interfaces are created directly on top of the physical ports (or port groups). The relationships
between interfaces are explained in the following table.
* - You cannot set up a PPPoE/PPTP 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 PPPoE/PPTP interface on top of it.
10.2 Ethernet Interfaces
This section introduces Ethernet interfaces and then explains the screens for Ethernet
interfaces.
10.2.1 Ethernet Interfaces Overview
The ZyWALL has five Ethernet interfaces: ge1, ge2, ge3, ge4, and ge5. Unlike other types of
interfaces, you cannot create new Ethernet interfaces nor can you delete any of these five. If
you do not assign any physical ports to an Ethernet interface (see Section 10.3.1 on page 194),
the Ethernet interface is effectively removed from the ZyWALL, but you can still configure it.
Ethernet interfaces are similar to other types of interfaces in many other ways. They have an IP
address, subnet mask, and gateway used to make routing decisions. They restrict the amount of
bandwidth and packet size. They can provide DHCP services, and they can verify the gateway
is available.
Table 47 Relationships Between Different Types of Interfaces
INTERFACE
REQUIRED PORT /
INTERFACE
auxiliary interface auxiliary port
port group physical port
Ethernet interface physical port
port group
VLAN interface Ethernet interface
bridge interface Ethernet interface*
VLAN interface*
PPPoE/PPTP 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
VLAN interface
bridge interface
PPPoE/PPTP interface
auxiliary interface