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Chapter 7 Interfaces
ZyWALL 110/310/1100 Series User’s Guide
105
- * The format of interface names other than the Ethernet and ppp interface names is strict. 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, lan1, lan2, 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. The relationships between
interfaces are explained in the following table.
Packet size (MTU) Yes Yes Yes Yes Yes Yes No
DHCP
DHCP server No
Yes No No Yes Yes No
DHCP relay No
Yes No No Yes Yes No
Connectivity Check Yes No Yes Yes Yes Yes No
Table 38 Relationships Between Different Types of Interfaces
INTERFACE REQUIRED PORT / INTERFACE
port group physical port
Ethernet interface physical port
port group
VLAN interface Ethernet interface
bridge interface Ethernet interface*
VLAN interface*
PPP interface Ethernet interface*
VLAN interface*
bridge interface
WAN1, WAN2, OPT*
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
Table 37 Ethernet, PPP, Cellular, VLAN, Bridge, and Virtual Interface Characteristics (continued)
CHARACTERISTICS ETHERNET ETHERNET PPP CELLULAR VLAN BRIDGE VIRTUAL