ZyXEL Communications 200 Series User Manual
Page 201
Chapter 10 Interface
ZyWALL USG 100/200 Series User’s Guide
201
Trunks and the auxiliary interface have many characteristics that are specific to each type of
interface. See
for details. The other
types of interfaces--Ethernet, VLAN, bridge, PPPoE/PPTP, and virtual--have a lot of similar
characteristics. These characteristics are listed in the following table and discussed in more
detail below.
* - Each name consists of 2-4 letters (interface type), followed by a number (x). For most interfaces, x is limited
by the maximum number of the type of interface. For VLAN interfaces, x is defined by the number you
enter in the VLAN name field. For example, Ethernet interface names are wan1, wan2, opt, lan1, ext-
wlan, dmz; VLAN interfaces are vlan0, vlan1, vlan2, ...; and so on.
** - The names of virtual interfaces are derived from the interfaces on which they are created. For example,
virtual interfaces created on Ethernet interface wan1 are called wan1:1, wan1:2, and so on. Virtual
interfaces created on VLAN interface vlan2 are called vlan2:1, vlan2:2, and so on. You cannot specify the
number after the colon(:) in the web configurator; it is a sequential number. You can specify the number
after the colon if you use the CLI to set up a virtual interface.
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 (multiple ports using
the same port role). The relationships between interfaces are explained in the following table.
Table 46 Ethernet, VLAN, Bridge, PPP, and Virtual Interfaces Characteristics
CHARACTERISTICS
ETHERNET
ETHERNET ETHERNET
VLAN BRIDGE
PPP
VIRTUAL
Name*
opt
wan1, wan2
lan1, ext-
wlan, dmz
vlanx
brx
pppx
**
Configurable Zone
Yes
No
No
Yes
Yes
No
No
IP Address
Assignment
Static IP address
Yes
Yes
Yes
Yes
Yes
Yes
Yes
DHCP client
Yes
Yes
No
Yes
Yes
Yes
No
Routing metric
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Interface Parameters
Bandwidth
restrictions
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Packet size
(MTU)
Yes
Yes
Yes
Yes
Yes
Yes
No
DHCP
DHCP server
Yes
No
Yes
Yes
Yes
No
No
DHCP relay
Yes
No
Yes
Yes
Yes
No
No
Connectivity Check
Yes
Yes
No
Yes
Yes
Yes
No
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*
WLAN interface*
VLAN interface*