296 
      example.com 
    SIP server addresses: 
      2:2::4 
    SIP server domain names: 
      bbb.com 
# Display brief IPv6 information for all interfaces on the device. The output shows that the DHCPv6 
client has obtained an IPv6 address. 
[Router] display ipv6 interface brief 
*down: administratively down 
(s): spoofing 
Interface                                Physical   Protocol   IPv6 Address 
GigabitEthernet1/0/1                     up         up         1:1::2 
# Display information about the dynamic IPv6 prefix. The output shows that the client has obtained 
an IPv6 prefix. 
[Router] display ipv6 prefix 1 
Number: 1 
Type  : Dynamic 
Prefix: 12:34::/48 
Preferred lifetime 100 sec, valid lifetime 200 sec 
# Display information about the dynamic DHCPv6 option group. The output shows that the client has 
created a dynamic DHCPv6 option group for saving configuration parameters. 
[Router] display ipv6 dhcp option-group 1 
DHCPv6 option group: 1 
  DNS server addresses: 
    Type: Dynamic (DHCPv6 address and prefix allocation) 
    Interface: GigabitEthernet1/0/1 
    2000::FF 
  Domain name: 
    Type: Dynamic (DHCPv6 address and prefix allocation) 
    Interface: GigabitEthernet1/0/1 
    example.com 
  SIP server addresses: 
    Type: Dynamic (DHCPv6 address and prefix allocation) 
    Interface: GigabitEthernet1/0/1 
    2:2::4 
  SIP server domain names: 
    Type: Dynamic (DHCPv6 address and prefix allocation) 
    Interface: GigabitEthernet1/0/1 
    bbb.com 
Stateless DHCPv6 configuration example 
Network requirements 
As shown in Figure 113, configure GigabitEthernet 1/0/1 on Router A to use stateless DHCPv6 to 
obtain configuration parameters except IPv6 address and IPv6 prefix. Router B acts as the gateway 
and advertises RA messages periodically.