IP Addresses and Services Configuration Guide for Cisco 8000 Series Routers, IOS XR Releases
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IP Addresses and Services Configuration Guide for Cisco 8000 Series Routers, IOS XR Releases
Updated: August 12, 2026
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Log inThis topic describes how to configure the DHCPv6 stateless relay agent on the Cisco 8000 Series Router by specifying a destination address for client messages and enabling DHCP IPv6 relay service on the interface.
To configure the DHCPv6 stateless relay agent, enable the DHCP IPv6 configuration mode, configure the DHCPv6 relay profile, configure helper addresses, and specify the interface for the relay profile.
Enter the global configuration mode and enter the DHCP IPv6 configuration mode.
Router# configure terminal
Router(config)# dhcp ipv6Configure the DHCPv6 relay profile.
Router(config-dhcpv6)# profile test relayConfigure the helper address for the relay profile.
Router(config-dhcpv6-relay-profile)# helper-address vrf default 2001:1::1
Router(config-dhcpv6-relay-profile)# !Specify the interface for the relay profile.
Router(config-dhcpv6-relay-profile)# interface TenGigE0/0/0/0 relay profile test
Router(config-dhcpv6)# !Need help?
(Requires a Cisco Service Contract)
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