Netgear SRX5308 User Manual Page 98

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LAN Configuration
98
ProSafe Gigabit Quad WAN SSL VPN Firewall SRX5308
DHCPv6 Server Options
The IPv6 clients in the LAN can autoconfigure their own IPv6 address or obtain an IPv6
address through a DHCPv6 server. For the LAN, there are three DHCPv6 options:
Stateless DHCPv6 Server
The IPv6 clients in the LAN generate their own IP address by using a combination of locally
available information and router advertisements, but receive DNS server information from the
DHCPv6 server. For stateless DHCPv6, you need to configure the RADVD and
advertisement prefixes (see Configure the IPv6 Router Advertisement Daemon and
Advertisement Prefixes for the LAN on page 104).
Stateless DHCPv6 Server With Prefix Delegation
As an option for a stateless DHCPv6 server, you can enable prefix delegation. The ISP’s
stateful DHCPv6 server assigns a prefix that is used by the VPN firewall’s stateless DHCPv6
server to assign to its IPv6 LAN clients.
Prefix delegation functions in the following way:
1. The VPN firewall’
s DHCPv6 client requests prefix delegation from the ISP.
You need to select the Prefix Delegation check box on the
ISP IPv6 WAN Settings screen
(see Use a DHCPv6 Server to Configure an IPv6 Internet Connection on
page 54).
2. Th
e ISP allocates a prefix to the VPN firewall.
This prefix is automatically added to the List of Prefixes to Advertise table on the LAN
RA
DVD screen for IPv6 (see Configure the IPv6 Router Advertisement Daemon and
Advertisement Prefixes for the LAN on
page 104).
3. Th
e stateless DHCPv6 server allocates the prefix to the IPv6 LAN clients through the
RADVD. When prefix delegation is enabled, the RADVD advertises the following prefixes:
The p
refix that was added through prefix delegation.
Prefixes that
you manually added to the List of Prefixes to Advertise table on the
RADVD screen.
You need to perform the following tasks:
Select the
Prefix Delegation check box on the LAN Setup screen for IPv6 (see
Configure the IPv6 LAN on
page 99).
Config
ure the RADVD (see Configure the IPv6 Router Advertisement Daemon and
Advertisement Prefixes for the LAN on
page 104).
Op
tionally, manually add prefixes to the List of Prefixes for Prefix Delegation table on
the LAN Setup screen for IPv6 (see IPv6 LAN Prefixes for Prefix Delegation on
page 103).
Op
tionally, manually add prefixes to List of Prefixes to Advertise table on the RADVD
screen (see Advertisement Prefixes for the LAN on p
age 106).
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