Chapter 10 Interfaces
ZyWALL USG Series User’s Guide
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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 use a static IP
address. 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.
#
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.
Address
This field displays the combined IPv6 IP address for this interface.
Note: This field displays the combined address after you click
OK
and reopen this
screen.
DHCPv6 Setting
DHCPv6 Select
N/A
to not use DHCPv6.
Select
Client
to set this interface to act as a DHCPv6 client.
Select
Server
to set this interface to act as a DHCPv6 server which assigns IP addresses and
provides subnet mask, gateway, and DNS server information to clients.
Select
Relay
to set this interface to route DHCPv6 requests to the DHCPv6 relay server you
specify. The DHCPv6 server(s) may be on another network.
Table 125 Configuration > Network > Interface > Bridge > Add / Edit (continued)
LABEL
DESCRIPTION
Summary of Contents for USG110
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