ZyXEL Communications ZyWall 110 User Manual page 317

Table 106 Configuration > Network > Interface > Ethernet > Edit (continued)
LABEL DESCRIPTION
Interface Type This field is configurable for the OPT interface only. 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 Zyxel Device 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 Zyxel Device 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 Zyxel Device
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 security policy, IDP, remote management, anti-virus, and application patrol. Make
sure to select the correct zone as otherwise traffic may be blocked by a security policy.
MAC Address This field is read-only. This is the MAC address that the Ethernet interface uses.
Description Enter a description of this interface. You can use alphanumeric and
characters, and it can be up to 60 characters long. Spaces are allowed, but the string
can't start with a space.
IP Address These IP address fields configure an IPv4 IP address on the interface itself. If you change this
Assignment 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 This option appears when Interface Type is external or general. Select this to make the
Automatically
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
page
DHCP Option 60 DHCP Option 60 is used by the Zyxel Device for identification to the DHCP server using the
VCI (Vendor Class Identifier) on the DHCP server. The Zyxel Device adds it in the initial DHCP
discovery message that a DHCP client broadcasts in search of an IP address. The DHCP
server can assign different IP addresses or options to clients with the specific VCI or reject
the request from clients without the specific VCI.
Type a string using up to 64 of these characters [a-zA-Z0-9!\"#$%&\'()*+,-./
:;<=>?@\[\\\]^_`{|}~] to identify this Zyxel Device to the DHCP server. For example, Zyxel-
TW.
Use Fixed IP This option appears when Interface Type is external or general. Select this if you want to
Address
specify the IP address, subnet mask, and gateway manually.
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 This option appears when Interface Type is external or general. Enter the IP address of the
gateway. The Zyxel Device 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.
Chapter 10 Interfaces
778.
ZyWALL USG Series User's Guide
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