Функционал позволяет добавлять DHCPv6 опции 18 и 37 в клиентские DHCPv6 запросы.
Настройка SW1:
ipv6 dhcp guard policy DHCP_RELAY_TRUST
device-role server
exit
!
!
interface gigabitethernet1/0/1
ipv6 dhcp relay information option format-type interface-id Gi12
ipv6 dhcp relay information option format-type remote-id MES2324
exit
!
interface gigabitethernet1/0/2
ipv6 dhcp guard attach-policy DHCP_RELAY_TRUST
exit
!
interface vlan 1
ipv6 enable
ipv6 dhcp guard
ipv6 first hop security
ipv6 dhcp ldra
exit
!
!
end