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DHCPv6 Relay Agent on ACX Series Routers

 

The DHCPv6 relay agent enhances the extended DHCP relay agent by providing DHCP support in an IPv6 network. DHCPv6 relay agents eliminate the necessity of having a DHCPv6 server on each physical network. An ACX Series router configured as a DHCPv6 relay agent passes messages between the DHCPv6 client and the DHCPv6 server, similar to the way a DHCP relay agent supports an IPv4 network.

The DHCPv6 relay agent is compatible with the extended DHCP local server and the extended DHCP relay agent, and can be enabled on the same interface as either the extended DHCP local server or DHCP relay agent.

To configure a DHCPv6 relay agent on the ACX Series routers, include the dhcpv6 statement at the [edit forwarding-options dhcp-relay] hierarchy level. You can also include the dhcpv6 statement at the [edit routing-instances routing-instance-name forwarding-options] hierarchy level.

Use the following operational commands to verify and manage DHCPv6 relay agent settings:

  • clear dhcpv6 relay binding

  • clear dhcpv6 relay binding routing-instance routing-instance-name

  • clear dhcpv6 relay statistics

  • clear dhcpv6 relay statistics routing-instance routing-instance-name

  • show dhcpv6 relay binding

  • show dhcpv6 relay binding routing-instance routing-instance-name

  • show dhcpv6 relay statistics

  • show dhcpv6 relay statistics routing-instance routing-instance-name

The following DHCPv6 functionalities are not supported on ACX Series routers:

  • Subscriber authentication for DHCPv6 relay agents

  • DHCP snooping

  • DHCPv6 client

  • Liveness detection

  • Dynamic profiles

  • Option 37 support for remote ID insertion

  • Bidirectional Forwarding Detection (BFD) for DHCPv6 relay

  • DHCPv6 relay persistence on router reboot, or crash, or power failure

Related Documentation