268
*down: administratively down
(s): spoofing
Interface Physical Protocol IPv6 Address
GigabitEthernet2/0/1 up up 1:1::2
IPv6 prefix acquisition configuration example
Network requirements
As shown in Figure 107, configure GigabitEthernet 2/0/1 of the router to use DHCPv6 to obtain
configuration parameters from the DHCPv6 server. The parameters include IPv6 prefix, DNS server
address, domain name suffix, SIP server address, and SIP server domain name.
Figure 107 Network requirements
Configuration procedure
You must configure the DHCPv6 server before configuring the DHCPv6 client. For information about
configuring the DHCPv6 server, see "Configuring the DHCPv6 server."
# Configure an IPv6 address for GigabitEthernet 2/0/1 that connects to the DHCPv6 server.
<Router> system-view
[Router] interface gigabitethernet 2/0/1
[Router-GigabitEthernet2/0/1] ipv6 address 1::2/48
# Configure GigabitEthernet 2/0/1 to support DHCPv6 rapid prefix assignment. Enable the DHCPv6
client to assign an ID to the obtained IPv6 prefix and create a dynamic DHCPv6 option group for
saving configuration parameters.
[Router-GigabitEthernet2/0/1] ipv6 dhcp client pd 1 rapid-commit option-group 1
[Router-GigabitEthernet2/0/1] quit
Verifying the configuration
# Verify that the DHCPv6 client has obtained an IPv6 prefix and other configuration parameters from
the DHCPv6 server.
[Router] display ipv6 dhcp client
GigabitEthernet2/0/1:
Type: Stateful client requesting prefix
State: OPEN
Client DUID: 00030001d07e28db74fb
Preferred server:
Reachable via address: FE80::2E0:1FF:FE00:19
Server DUID: 0003000100e001000000
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