Enable IPv6 for a Trusted or Optional Interface

You can configure a trusted, optional, or custom interface with an IPv6 address in addition to the IPv4 address. IPv6 is not enabled on any interface by default. When you enable IPv6, you can configure the interface with one or more static IPv6 addresses.You can also configure router advertisement of the IP address prefix.

You cannot use these special purpose IP addresses as an IPv6 interface address:

Add a Static IPv6 IP Address

  1. Select Network > Interfaces.
    The Network Interfaces page appears.
  2. Select a trusted, optional, or custom interface. Click Edit.
  3. Select the IPv6 tab.
  4. Select the Enable IPv6 check box.

Screen shot of the Interface Configuration - Trusted/Optional page

  1. Click Add.

Screen shot of the Add Static IPv6 Address dialog box

  1. Type the IPv6 IP address and the routing prefix size.
  2. To add the prefix for this IP address to the Prefix Advertisement list, select the Add Prefix Advertisement check box.
    You can select this option only if the prefix size is /64.
  3. Click OK.
    The IP address is added to the list

Configure Router Advertisement

When you enable IPv6 for a trusted, optional, or custom interface, you can enable the interface to send Router Advertisement messages. When you enable Router Advertisement, the interface sends the configured IP address prefixes in router advertisements on the local network. Router Advertisement is used for IPv6 neighbor discovery and IPv6 address autoconfiguration.

The Router Advertisement settings appear in the Router Advertisement section of the IPv6 tab.

Screen shot of the Interface Configuration Trusted/Optional page, IPv6 tab

Router Advertisement Settings

Select the Send Advertisement check box to enable the XTM device to send periodic router advertisements and respond to router solicitations. If you select the Add Prefix Advertisement check box for any IPv6 IP address, the Send Advertisement check box is automatically selected.

The Router Advertisement section has five other settings that appear in all router advertisement messages:

Add a Prefix Advertisement

To add a Prefix Advertisement prefix for a static IPv6 address:

In the Static IPv6 Addresses list, select the Add Prefix Advertisement check box adjacent to a configured static IP address. You can also select this check box when you add the static IP address. In either case, the prefix for the static IP address is added to the Prefix Advertisement list.

For example, if the static IP address is 2001:db8::2/64, when you select Add Prefix Advertisement, the prefix 2001:db8:: is added to the Prefix Advertisement list.

To add a Prefix Advertisement that is not associated with a static IPv6 address:

  1. In the Router Advertisement section, select the Send Advertisement check box.
  2. Click Add.
    The Add Prefix Advertisement dialog box appears.

Screen shot of the Add Prefix Advertisement dialog box

  1. In the Prefix text box, type the IPv6 prefix.
    The prefix must be a network IP address in the format x:x::/64.
  2. (Optional) Change the other prefix advertisement settings:
  3. Click OK.

Edit a Prefix Advertisement

  1. To change the Autonomous and Online settings, select or clear the check box in the adjacent column.
  2. To edit other settings, select the Prefix Advertisement and click Edit.

Remove a Prefix Advertisement

  1. To remove the prefix advertisement associated with a configured static IP address, clear the Add Prefix Advertisement check box adjacent to the static IP address in the Static IPv6 Addresses table.
  2. To remove any other prefix advertisement, select the prefix in the Prefix Advertisement list. Then click Remove.

See Also

About IPv6 Support

Configure IPv6 Connection Settings

Common Interface Settings

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