User's Manual

Configuration Guide of XGS-5240-Series
39-10
Fig 4-2 DHCPv6 relay option schematic
Switch2 configuration:
S2(config)#service dhcpv6
S2(config)#ipv6 dhcp relay remote-id option
S2(config)#ipv6 dhcp relay subscriber-id option
S2(config)#vlan 10
S2(config-vlan10)#int vlan 10
S2(config-if-vlan10)#ipv6 address 2001:da8:1:::2/64
S2(config-if-vlan10)#ipv6 dhcp relay destination 2001:da8:10:1::1
S2(config-if-vlan10)#exit
S2(config)#
39.4 DHCPv6 option37, 38 Troubleshooting
 Request packets sent by DHCPv6 client are multicast packets received by the device
within its VLAN, if DHCPv6 server wants to receive the packets from client, DHCPv6 client
and DHCPv6 server must be in the same VLAN, otherwise it needs to use DHCPv6 relay.
 Snooping option37,38 can process one of the following operations for DHCPv6 request
packets with option37,38: replace the original option37,38 with its own; discard the
packets with option37,38; do not execute adding, discarding or forwarding operation.
Therefore, please check policy configuration of snooping option37,38 on second device