Chapter 9 Interfaces
USG20(W)-VPN Series User’s Guide
208
Enable IPv6 Select this to enable IPv6 on this interface. Otherwise, clear this to disable it.
Interface Properties
Interface Type Select one of the following option depending on the type of network to which the USG
is connected or if you want to additionally manually configure some related settings.
internal is for connecting to a local network. Other corresponding configuration
options: DHCP server and DHCP relay. The USG 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 USG
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 This field is read-only if you are editing the interface. Enter the name of the bridge
interface. The format is brx, where x is 0 - 11. For example, br0, br3, and so on.
Zone Select the zone to which the interface is to belong. You use zones to apply security
settings such as security policy and remote management.
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.
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.
IP 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.
IP Address 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 in the network.
Gateway This field is enabled if you select Use Fixed IP Address.
Enter the IP address of the gateway. The USG 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.
Metric Enter the priority of the gateway (if any) on this interface. The USG decides which
gateway to use based on this priority. The lower the number, the higher the priority. If
two or more gateways have the same priority, the USG uses the one that was
configured first.
Enable IGMP
Support
Select this to allow the USG to act as an IGMP proxy for hosts connected on the IGMP
downstream interface.
Table 81 Configuration > Network > Interface > Bridge > Add / Edit (continued)
LABEL DESCRIPTION
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