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Chapter 7 Interfaces
ZyWALL 110/310/1100 Series User’s Guide
154
DHCPv6 Setting
DUID This field displays the DHCP Unique IDentifier (DUID) of the interface, which is unique
and used for identification purposes when the interface is exchanging DHCPv6
messages with others. See DHCPv6 on page 107 for more information.
DUID as MAC Select this to have the DUID generated from the interface’s default MAC address.
Customized
DUID
If you want to use a customized DUID, enter it here for the interface.
Enable Rapid
Commit
Select this to shorten the DHCPv6 message exchange process from four to two steps.
This function helps reduce heavy network traffic load.
Note: Make sure you also enable this option in the DHCPv6 clients to make rapid commit
work.
Information
Refresh Time
Enter the number of seconds a DHCPv6 client should wait before refreshing information
retrieved from DHCPv6.
Request Address This field is available if you set this interface to DHCPv6 Client. Select this to get an
IPv6 IP address for this interface from the DHCP server. Clear this to not get any IP
address information through DHCPv6.
DHCPv6 Request
Options /
DHCPv6 Lease
Options
If this interface is a DHCPv6 client, use this section to configure DHCPv6 request
settings that determine what additional information to get from the DHCPv6 server.
If this interface is a DHCPv6 server, use this section to configure DHCPv6 lease settings
that determine what to offer to the DHCPv6 clients.
Add Click this to create an entry in this table. See Section 7.3.3 on page 123 for more
information.
Remove Select an entry and click this to change the settings.
Object
Reference
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.
Name This field displays the name of the DHCPv6 request or lease object.
Type This field displays the type of the object.
Value This field displays the IPv6 prefix that the ZyWALL obtained from an uplink router
(Server is selected) or will advertise to its clients (Client is selected).
Interface When Relay is selected, select this check box and an interface from the drop-down list
if you want to use it as the relay server.
Relay Server When Relay is selected, select this check box and enter the IP address of a DHCPv6
server as the relay server.
IPv6 Router
Advertisement
Setting
Enable Router
Advertisement
Select this to enable this interface to send router advertisement messages periodically.
See IPv6 Router Advertisement on page 107 for more information.
Advertised Hosts
Get Network
Configuration
From DHCPv6
Select this to have the ZyWALL indicate to hosts to obtain network settings (such as
prefix and DNS settings) through DHCPv6.
Clear this to have the ZyWALL indicate to hosts that DHCPv6 is not available and they
should use the prefix in the router advertisement message.
Advertised Hosts
Get Other
Configuration
From DHCPv6
Select this to have the ZyWALL indicate to hosts to obtain DNS information through
DHCPv6.
Clear this to have the ZyWALL indicate to hosts that DNS information is not available in
this network.
Table 53 Configuration > Network > Interface > VLAN > Create Virtual Interface (continued)
LABEL DESCRIPTION