Brief Introduction of DHCPv6 snooping Option18/37

To make DHCPv6 Server get the physical location information of the DHCPv6 client, you can add Option18 and Option37 to the DHCPv6 request packet.

When the device detects the DHCPv6 packet, it can add some user device information to the DHCPv6 request packet by the DHCPv6 Option mode. Option18 records the interface information of the client, and is called interface ID option (interface ID). Option37 records the MAC address information of the client and is called remote ID option (Remote ID).

When Option18/37 is enabled and after the device receives the DHCPv6 request packet, provide the following processing according to the processing policy and filling mode of the Option18/37 configured by the user.

Table 8-1 The processing policy of the DHCPv6 request packet