253
# Apply prefix pool 1 to address pool 1, and set the preferred lifetime to one day, and the valid lifetime
to three days.
[Router-dhcp6-pool-1] prefix-pool 1 preferred-lifetime 86400 valid-lifetime 259200
# In address pool 1, bind prefix 2001:0410:0201::/48 to the client DUID 00030001CA0006A40000,
and set the preferred lifetime to one day, and the valid lifetime to three days.
[Router-dhcp6-pool-1] static-bind prefix 2001:0410:0201::/48 duid 00030001CA0006A40000
preferred-lifetime 86400 valid-lifetime 259200
# Configure the DNS server address as 2:2::3.
[Router-dhcp6-pool-1] dns-server 2:2::3
# Configure the domain name as aaa.com.
[Router-dhcp6-pool-1] domain-name aaa.com
# Configure the SIP server address as 2:2::4, and the SIP server name as bbb.com.
[Router-dhcp6-pool-1] sip-server address 2:2::4
[Router-dhcp6-pool-1] sip-server domain-name bbb.com
[Router-dhcp6-pool-1] quit
# Enable the DHCPv6 server on interface GigabitEthernet 2/0/1, enable desired prefix assignment
and rapid prefix assignment, and set the preference to the highest.
[Router] interface gigabitethernet 2/0/1
[Router-GigabitEthernet2/0/1] ipv6 dhcp select server
[Router-GigabitEthernet2/0/1] ipv6 dhcp server allow-hint preference 255 rapid-commit
Verifying the configuration
# Display the DHCPv6 server configuration on GigabitEthernet 2/0/1.
[Router-GigabitEthernet2/0/1] display ipv6 dhcp server interface gigabitethernet 2/0/1
Using pool: global
Preference value: 255
Allow-hint: Enabled
Rapid-commit: Enabled
# Display information about address pool 1.
[Router-GigabitEthernet2/0/1] display ipv6 dhcp pool 1
DHCPv6 pool: 1
Network: 1::/64
Preferred lifetime 604800, valid lifetime 2592000
Prefix pool: 1
Preferred lifetime 86400, valid lifetime 259200
Static bindings:
DUID: 00030001ca0006a4
IAID: Not configured
Prefix: 2001:410:201::/48
Preferred lifetime 86400, valid lifetime 259200
DNS server addresses:
2:2::3
Domain name:
aaa.com
SIP server addresses:
2:2::4
SIP server domain names:
bbb.com
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