Chapter 10 Interfaces
ZyWALL USG Series User’s Guide
361
Metric
Enter the priority of the gateway (if any) on this interface. The Zyxel Device 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 Zyxel Device uses the one that was configured
first.
Enable IGMP Support Select this to allow the Zyxel Device to act as an IGMP proxy for hosts connected on the
IGMP downstream interface.
IGMP Upstream
Enable
IGMP Upstream
on the interface which connects to a router running IGMP that is
closer to the multicast server.
IGMP
Downstream
Enable
IGMP Downstream
on the interface which connects to the multicast hosts.
IPv6 Address
Assignment
These IP address fields configure an IPv6 IP address on the interface itself.
Enable Stateless
Address Auto-
configuration
(SLAAC)
Select this to enable IPv6 stateless auto-configuration on this interface. The interface will
generate an IPv6 IP address itself from a prefix obtained from an IPv6 router in the network.
Link-Local
address
This displays the IPv6 link-local address and the network prefix that the Zyxel Device
generates itself for the interface.
IPv6 Address/
Prefix Length
Enter the IPv6 address and the prefix length for this interface if you want to configure a
static IP address for this interface. This field is optional.
The prefix length indicates what the left-most part of the IP address is the same for all
computers in the network, that is, the network address.
Gateway
Enter the IPv6 address of the default outgoing gateway using colon (:) hexadecimal
notation.
Metric
Enter the priority of the gateway (if any) on this interface. The Zyxel Device 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 Zyxel Device uses the one that was configured
first.
Address from
DHCPv6 Prefix
Delegation
Use this table to have the Zyxel Device obtain an IPv6 prefix from the ISP or a connected
uplink router for an internal network, such as the LAN or DMZ. You have to also enter a suffix
address which is appended to the delegated prefix to form an address for this interface.
See
for more information.
To use prefix delegation, you must:
• Create at least one DHCPv6 request object before configuring this table.
• The external interface must be a DHCPv6 client. You must configure the DHCPv6
request options using a DHCPv6 request object with the type of prefix-delegation.
• Assign the prefix delegation to an internal interface and enable router advertisement
on that interface.
Add
Click this to create an entry.
Edit
Select an entry and click this to change the settings.
Remove
Select an entry and click this to delete it from this table.
References
Select an entry and click
References
to open a screen that shows which settings use the
entry.
#
This field is a sequential value, and it is not associated with any entry.
Delegated
Prefix
Select the DHCPv6 request object to use from the drop-down list.
Suffix
Address
Enter the ending part of the IPv6 address, a slash (/), and the prefix length. The Zyxel Device
will append it to the delegated prefix.
For example, you got a delegated prefix of 2003:1234:5678/48. You want to configure an IP
address of 2003:1234:5678:1111::1/128 for this interface, then enter ::1111:0:0:0:1/128 in this
field.
Table 120 Configuration > Network > Interface > VLAN > Add / Edit (continued)
LABEL
DESCRIPTION
Summary of Contents for USG110
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