SNR S2989G-24TX [528/553] Dhcpv6 option37 38 examples

S2989G-24TX Operation Manual

Chapter 11 IPv6 Configuration

11-18

address range <start-ip> <end-ip>

no address range <start-ip> <end-ip>

This command is used to set

address range for a DHCPv6

class in DHCPv6 address

pool configuration mode, the

no command is used to

remove the addreass range.

The prefix/plen form is not

supported.

11.2.3

DHCPv6 option37, 38 Examples

11.2.3.1 DHCPv6 Snooping option37, 38 Example

Switch B

Interface E1/0/1

SwitchA

Interface Interface E1/0/3 Interface E1/0/4

MAC-AA MAC-BB MAC-CC

Figure 11-2 DHCPv6 Snooping option schematic

As is shown in the figure above, Mac-AA, Mac-BB and Mac-CC are normal users,

connected to untrusted interface 1/0/2, 1/0/3 and 1/0/4 respectively, and they get IP

2010:2, 2010:3 and 2010:4 through DHCPv6 Client; DHCPv6 Server is connected to the

trusted interface 1/0/1. Configure three address assignment policies (CLASS), of which

CLASS1 matches option 38, CLASS2 matches option 37 and CLASS3 matches option

37 and option 38. In the address pool EastDormPool, the requests matched with

CLASS1, CLASS2 and CLASS3 will be assigned an address ranging from

2001:da8:100:1::2 to 2001:da8:100:1::30, from 2001:da8:100:1::31 to

2001:da8:100:1::60 and from 2001:da8:100:1::61 to2001:da8:100:1::100 respectively;

DHCPv6 snooping function is enabled and option 37 and option 38 are configured in