Chapter 13 Interfaces

cannot change the MTU. The virtual interface uses the same MTU that the underlying interface uses. Unlike other interfaces, virtual interfaces do not provide DHCP services, and they do not verify that the gateway is available.

13.9.1 Virtual Interfaces Add/Edit

This screen lets you configure IP address assignment and interface parameters for virtual interfaces. To access this screen, click an Add icon next to an Ethernet interface, VLAN interface, or bridge interface in the respective interface summary screen.

Figure 264 Configuration > Network > Interface > Add

Each field is described in the table below.

Table 74 Configuration > Network > Interface > Add

LABEL

DESCRIPTION

Interface

 

Properties

 

 

 

Interface

This field is read-only. It displays the name of the virtual interface,

Name

which is automatically derived from the underlying Ethernet interface,

 

VLAN interface, or bridge interface.

 

 

Description

Enter a description of this interface. It is not used elsewhere. You can

 

use alphanumeric and ()+/:=?!*#@$_%- characters, and it can be

 

up to 60 characters long.

 

 

IP Address

 

Assignment

 

 

 

IP Address

Enter the IP address for this interface.

 

 

Subnet Mask

Enter the subnet mask of this interface in dot decimal notation. The

 

subnet mask indicates what part of the IP address is the same for all

 

computers in the network.

 

 

Gateway

Enter the IP address of the gateway. The ZyWALL sends packets to

 

the gateway when it does not know how to route the packet to its

 

destination. The gateway should be on the same network as the

 

interface.

 

 

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ZyWALL USG 2000 User’s Guide