Internet and Broadband Settings

36

ProSafe Wireless-N 8-Port Gigabit VPN Firewall FVS318N

travel over the IPv4 intranet; you do this by enabling and configuring ISATAP tunneling

(see

Configure ISATAP Automatic Tunnelling

on page 42).

Note:

A network can be both and isolated IPv6 network and a mixed

network with IPv4 and IPv6 devices.

After you have configured the IPv6 routing mode (see the next section), you need to

configure the WAN port with a global unicast address to enable secure IPv6 Internet

connections on your wireless VPN firewall. A global unicast address is a public and routable

IPv6 WAN address that can be statically or dynamically assigned. The web management

interface offers two connection configuration options:

•

Automatic configuration of the network connection (see

Use a DHCPv6 Server to

Configure an IPv6 Internet Connection

on page 37)

•

Manual configuration of the network connection (see

Configure a Static IPv6 Internet

Connection

on page 39)

Configure the IPv6 Routing Mode

By default, the wireless VPN firewall supports IPv4 only. To use IPv6, you need to enable the

wireless VPN firewall to support both devices with IPv4 addresses and devices with IPv6

addresses. The routing mode does not include an IPv6-only option; however, you still can

configure a native IPv6 network if your ISP supports IPv6. These are the options:

•

IPv4-only mode

. The wireless VPN firewall communicates only with devices that have

IPv4 addresses.

•

IPv4/IPv6 mode

. The wireless VPN firewall communicates with both devices that have

IPv4 addresses and devices that have IPv6 addresses.

Note:

IPv6 always functions in classical routing mode between the WAN

interface and the LAN interfaces; NAT does not apply to IPv6.



To configure the IPv6 routing mode:

1.

Select

Network Configuration > WAN Settings

.

The WAN Mode screen displays:

Internet and Broadband Settings

37

ProSafe Wireless-N 8-Port Gigabit VPN Firewall FVS318N

Figure 16.

2.

Select the

IPv4 / IPv6 mode

radio button. By default, the IPv4 only mode radio button is

selected, and IPv6 is disabled.

WARNING:

Changing the IP routing mode causes the wireless VPN firewall to

reboot.

3.

Click

Apply

to save your changes.

Use a DHCPv6 Server to Configure an IPv6 Internet

Connection

The wireless VPN firewall can autoconfigure its ISP settings through a DHCPv6 server by

using either stateless or stateful address autoconfiguration:

•

Stateless address autoconfiguration

. The wireless VPN firewall generates its own IP

address by using a combination of locally available information and router

advertisements, but receives DNS server information from a DHCPv6 server.

Router advertisements include a prefix that identifies the subnet that is associated with

the WAN port. The IP address is formed by combining this prefix and the MAC address of

the WAN port. The IP address is a dynamic address.

•

Stateful address autoconfiguration

. The wireless VPN firewall obtains an interface

address, configuration information such as DNS server information, and other

parameters from a DHCPv6 server. The IP address is a dynamic address.

Internet and Broadband Settings

38

ProSafe Wireless-N 8-Port Gigabit VPN Firewall FVS318N



To automatically configure the WAN port for an IPv6 connection to the Internet:

1.

Select

Network Configuration > WAN Settings > Broadband ISP Settings

.

2.

In the upper right of the screen, select the

IPv6

radio button. The ISP Broadband Settings

screen displays the IPv6 settings:

Figure 17.

3.

In the Internet Address section of the screen, from the IPv6 drop-down list, select

DHCPv6

.

4.

In the DHCPv6 section of the screen, select one of the following radio buttons:

•

Stateless Address Auto Configuration

.

•

Stateful Address Auto Configuration

.

5.

As an optional step: If you have selected the Stateless Address Auto Configuration radio

button, you can select the Prefix Delegation check box:

•

Prefix delegation check box is selected

. A prefix is assigned by the ISP’s

stateful

DHCPv6 server through prefix delegation. For example, 2001:db8:: /64. The wireless

VPN firewall’s

stateless

DHCPv6 server can assign this prefix to its IPv6 LAN clients.

For more information about prefix delegation, see

Stateless DHCPv6 Server With

Prefix Delegation

on page 71.

•

Prefix delegation check box is cleared

. Prefix delegation is disabled. This is the

default setting.

6.

Click

Apply

to save your changes.

Internet and Broadband Settings

39

ProSafe Wireless-N 8-Port Gigabit VPN Firewall FVS318N

7.

To verify the connection, click the

Status

option arrow in the upper right of the screen to

display the Connection Status pop-up screen. (The following figure shows a dynamic IP

address configuration.)

Figure 18.

The Connection Status screen should show a valid IP address and gateway, and you are

connected to the Internet. If the configuration was not successful, see

Troubleshoot the

ISP Connection

on page 370.

Note:

For more information about the Connection Status screen, see

View

the WAN Port Status

on page 356.

Configure a Static IPv6 Internet Connection

To configure a static IPv6 Internet connection, you need to enter the IPv6 address information

that you should have received from your ISP.



To configure static IPv6 broadband ISP settings:

1.

Select

Network Configuration > WAN Settings > Broadband ISP Settings

.

2.

In the upper right of the screen, select the

IPv6

radio button. The ISP Broadband Settings

screen displays the IPv6 settings:

Internet and Broadband Settings

40

ProSafe Wireless-N 8-Port Gigabit VPN Firewall FVS318N

Figure 19.

3.

In the Internet Address section of the screen, from the IPv6 drop-down list, select

Static

IPv6

.

4.

In the Static IP Address section of the screen, enter the settings as explained in the following

table. You should have received static IPv6 address information from your IPv6 ISP:

5.

Click

Apply

to save your changes.

Table 6.

Broadband ISP Settings screen settings for IPv6

Setting

Description

IPv6 Address

The IP address that your ISP assigned to you. Enter the address in

one

of the

following formats (all four examples specify the same IPv6 address):

• 2001:db8:0000:0000:020f:24ff:febf:dbcb

• 2001:db8:0:0:20f:24ff:febf:dbcb

• 2001:db8::20f:24ff:febf:dbcb

• 2001:db8:0:0:20f:24ff:128.141.49.32

IPv6 Prefix Length

The prefix length that your ISP assigned to you, typically 64.

Default IPv6 Gateway

The IPv6 IP address of the ISP’s default IPv6 gateway.

Primary DNS Server

The IPv6 IP address of the ISP’s primary DNS server.

Secondary DNS Server

The IPv6 IP address of the ISP’s secondary DNS server.