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# dhcp6

Use the "dhcp6"command to display or configure DHCPv6 settings.

View settings

The following command displays the current DHCPv6 settings.

`msh> dhcp6`

DHCPv6-lite configuration and display

`msh> dhcp6 "interface_name" lite {on|off}`

- Specify "on" to enable DHCPv6. Specify "off" to disable DHCPv6.

- If the DNS server address and domain name are obtained from DHCPv6, be sure to specify {on}.

- wlan can be specified only when the IEEE 802.11 interface is installed.

Interface name | Interface configured
--- | ---
ether | Ethernet interface
wlan | IEEE 802.11 interface

Viewing and specifying DNS server address selection (obtained from the dhcpv6 server/user specified value)

`msh> dhcp6 dnsaddr {dhcp|static}`

DUID(DHCP unique ID) deletion and display

`msh> dhcp6 duid clear`

Viewing and specifying the time required to re-obtain the parameter obtained from dhcpv6

`msh> dhcp6 option lifetime [0-65535]`

- It can be entered between 0 and 65535 minutes.

- The default is 60 minutes.

- If you specify "0", you cannot re-obtain the value.