DHCPv6 Commands 673

DUID

— Client DUID (e.g. 00:01:00:09:f8:79:4e:00:04:76:73:43:76').
hostname
— Client hostname used for logging and tracing. (Range: 0-31
characters.)

valid-lifetime

— Valid lifetime for delegated prefix. (Range: 0-4294967295
seconds)

preferred-lifetime

— Preferred lifetime for delegated prefix. (Range: 0-
4294967295 seconds)
Default Configuration
2592000 seconds is the default value for

preferred-lifetime

. 604800 seconds is
the default value for

valid-lifetime

.
Command Mode
IPv6 DHCP Pool Configuration mode
User Guidelines
This command has no user guidelines.
Example
The following example defines a Multiple IPv6 prefix and client DUID within
a pool for distributing to specific DHCPv6 Prefix delegation clients.
console(config)#ipv6 dhcp pool addrpool
console(config-dhcp6s-pool)#prefix-delegation
2020:1::1/64 00:01:00:09:f8:79:4e:00:04:76:73:43:76

service dhcpv6

Use the service dhcpv6 command in Global Configuration mode to enable
DHCPv6 configuration on the router.
Syntax
service dhcpv6
no service dhcpv6