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Chapter 13 Interfaces
ZyWALL USG 300 User’s Guide
298
This screen’s fields are described in the table below.
Table 60 Configuration > Network > Interface > Ethernet > Edit
LABEL DESCRIPTION
Show Advance
Settings / Hide
Advance Settings
Click this button to display a greater or lesser number of configuration
fields.
General Settings
Enable
Interface
Select this to enable this interface. Clear this to disable this interface.
Interface
Properties
Interface Type Select to which type of network you will connect this interface. When
you select Internal or External the rest of the screen’s options
automatically adjust to correspond. The ZyWALL automatically adds
default route and SNAT settings for traffic it routes from internal
interfaces to external interfaces; for example LAN to WAN traffic.
Internal is for connecting to a local network. Other corresponding
configuration options: DHCP server and DHCP relay. The ZyWALL
automatically adds default SNAT settings for traffic flowing from this
interface to an external interface.
External is for connecting to an external network (like the Internet).
The ZyWALL automatically adds this interface to the default WAN
trunk.
For General, the rest of the screen’s options do not automatically
adjust and you must manually configure a policy route to add routing
and SNAT settings for the interface.
Interface
Name
Specify a name for the interface. It can use alphanumeric characters,
hyphens, and underscores, and it can be up to 11 characters long.
Port This is the name of the Ethernet interface’s physical port.
Zone Select the zone to which this interface is to belong. You use zones to
apply security settings such as firewall, IDP, remote management,
anti-virus, and application patrol.
MAC Address This field is read-only. This is the MAC address that the Ethernet
interface uses.
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
These IP address fields configure an IP address on the interface itself.
If you change this IP address on the interface, you may also need to
change a related address object for the network connected to the
interface. For example, if you use this screen to change the IP
address of your LAN interface, you should also change the
corresponding LAN subnet address object.
Get
Automatically
This option appears when Interface Properties is External or
General. Select this to make the interface a DHCP client and
automatically get the IP address, subnet mask, and gateway address
from a DHCP server.
You should not select this if the interface is assigned to a VRRP group.
See Chapter 39 on page 693.