Prefix delegation groups
Citrix SD-WAN appliances can be configured as a DHCPv6 client to request a prefix from the ISP using the configured WAN port. Once the Citrix SD-WAN appliance receives the prefix, it uses the prefix to create a pool of IP addresses to cater to the LAN clients. The Citrix SD-WAN appliance then behaves as a DHCP server and advertise the prefix on the LAN ports to the LAN side clients.
To configure prefix delegation, navigate to Configuration > Advanced Settings > Prefix Delegation Groups and click + Prefix Delegation Groups.
Choose a configured WAN Virtual Interface on which the prefix is requested from the ISP and provide the following details:
- LAN Virtual Interface: Select one of the configured LAN virtual interfaces for which the prefix is requested.
- Prefix Length: The number of bits of a Global Unicast IPv6 address that are part of the prefix.
- Interface IP Host Portion: The host portion to be used for the interface IP address.
- Prefix ID: A unique identifier to identify the prefix delegation requests for the LAN interface.