Chapter 7 Interfaces
USG FLEX H Series User’s Guide
125
Zone Select the zone to which the interface is to belong. You use zones to apply security settings
such as security policy, IPS, remote management, anti-malware, and application patrol.
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.
Address Assignment
Get
Automatically
Select this if this interface is a DHCP client. In this case, the DHCP server configures the IP
address, subnet mask, and gateway automatically.
Use Fixed IP
Address
Select this if you want to specify the IP address, subnet mask, and gateway manually.
WAN IP This field is enabled if you select Use Fixed IP Address.
Enter the IP address for this interface.
Subnet Mask This field is enabled if you select Use Fixed IP Address.
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 on the network.
Gateway IP This field is enabled if you select Use Fixed IP Address.
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.
Member
Configuration
Available This field displays Ethernet interfaces and VLAN interfaces that can become part of the
bridge interface. An interface is not available in the following situations:
• There is a virtual interface on top of it
• It is already used in a different bridge interface
Select one, and click the >> arrow to add it to the bridge interface. Each bridge interface
can only have one VLAN interface.
Member This field displays the interfaces that are part of the bridge interface. Select one, and click
the << arrow to remove it from the bridge interface.
DHCP Server
Mode Select what type of DHCP service the Zyxel Device provides to the network. Choices are:
DHCP Relay - the Zyxel Device routes DHCP requests to one or more DHCP servers you
specify. The DHCP server(s) may be on another network.
DHCP - the Zyxel Device assigns IP addresses and provides subnet mask, gateway, and DNS
server information to the network. The Zyxel Device is the DHCP server for the network.
These fields appear if the Zyxel Device is a DHCP Relay.
Relay Server 1 Enter the IP address of a DHCP server for the network.
Relay Server 2 This field is optional. Enter the IP address of another DHCP server for the network.
These fields appear if the Zyxel Device is a DHCP Server.
Start IP Enter the IP address from which the Zyxel Device begins allocating IP addresses. If you want
to assign a static IP address to a specific computer, use the Static DHCP Table.
If this field is blank, the Pool Size must also be blank. In this case, the Zyxel Device can assign
every IP address allowed by the interface’s IP address and subnet mask, except for the first
address (network address), last address (broadcast address) and the interface’s IP address.
Table 67 Network > Interface > Interface > Bridge > Add / Edit (continued)
LABEL DESCRIPTION
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