Citrix SD-WAN

NDP router advertisement and prefix delegation group

NDP router advertisement

In an IPv6 network, SD-WAN appliance periodically multicasts Router Advertisement (RA) messages to announce its availability and convey information to the neighboring appliances in the SD-WAN network. The router advertisements include the IPv6 prefix information. Neighbor Discovery protocol (NDP) running on SD-WAN appliances uses these router advertisements to determine the neighboring devices on the same link. It also determines each other’s link-layer addresses, find neighbors, and maintain reachability information about the paths to active neighbors.

You can configure the NDP router advertisement using Citrix SD-WAN Orchestrator service. For more information, see NDP router advertisement.

Prefix delegation group

NOTE

Prefix delegation is not supported in Citrix SD-WAN 11.3 release.

Citrix SD-WAN appliances can be configured as a DHCPv6 client to request a prefix from the ISP using the configured WAN port. Once Citrix SD-WAN appliance receives the prefix, it uses the prefix to create a pool of IP addresses to cater the LAN clients. Citrix SD-WAN appliance then behaves as a DHCP server and advertise the prefix on the LAN ports to the LAN side clients.

You can configure prefix delegation through Citrix SD-WAN Orchestrator service. For more information, see Prefix delegation groups.

NDP router advertisement and prefix delegation group