Cisco ASR 9000 Series - Cisco ASR 9000 Series Aggregation Services Router Broadband Network Gateway Command Reference

This example shows how to facilitate identification of subscriber based on the Remote-Id attribute in PPPoE
session:
RP/0/RSP0/CPU0:router(config-dhcpv6-proxy-profile)# relay option remote-id pppoe
Related Commands
DescriptionCommand
Enables the system to insert a DHCP relay agent information option
in forwarded BOOTREQUEST messages to a DHCP server.
relay information option (BNG), on page
187
Cisco ASR 9000 Series Aggregation Services Router Broadband Network Gateway Command Reference,
Release 5.2.x
194
BNG DHCP Commands
relay option remote-id