config system dhcp6server

Description: Configure DHCP6 servers.

config system dhcp6server
  edit <name>
    set status [enable | disable]
    set lease-time [300 – 8640000]
    set dns-service [default | specify]
    set subnet {ipv6-address}
    set interface [option1 | ...]
    set ip-mode [range]
    config ip-range
      edit <name>
        set start-ip {ipv6-address}
        set end-ip {ipv6-address}
      next
    end
    config prefix-range
      edit <name>
        set start-ip {ipv6-address}
        set end-ip {ipv6-address}
        set prefix-length <integer>
      next
    end
  next
end

Sample command:

config system dhcp6server
  edit 1
    set status enable
    set lease-time 604800
    set dns-service specify
    set dns-server1 
    set dns-server2 
    set dns-server3 
    set dns-server4 
    set subnet 2001:1:3::/64
    set interface lan
    set ip-mode range
    config ip-range
      edit 1
        set start-ip 2001:1:3::2
        set end-ip 2001:1:3::5
      next
    end
    config prefix-range
      edit 1
        set start-ip 2001:1:3:0000:1000::
        set end-ip 2001:1:3:0000:1001::
        set prefix-length 80
      next
    end
  next
end

Parameter	Description	Type	Size	Default
status	Status of the DHCP6 configuration.	option	-	enable
	Option Description enable Enable the DHCP6 server. disable Disable the DHCP6 server.
lease-time	Lease time in seconds. 0 means unlimited.	integer	300 - 8640000	604800
dns-service	Options for assigning IPv6 DNS servers to DHCP6 clients	Option	-	specify
	Option Description default Clients are assigned the FortiExtender configured DNS server. specify Specify DNS servers in the DHCP server configuration.
dns-server1	Specify the IP address of DNS Server 1. Available when dns-service is set to specify.	IPv6 address	-	none
dns-server2	Specify the IP address of DNS Server 2. Available when dns-service is set to specify.	IPv6 address	-	none
dns-server3	Specify the IP address of DNS Server 3. Available when dns-service is set to specify.	IPv6 address	-	none
dns-server4	Specify the IP address of DNS Server 4. Available when dns-service is set to specify.	IPv6 address	-	none
subnet	Defines a managed IPv6 prefix and its associated pools and options.	IPv6 subnet	-	none
interface	DHCP6 server can assign IP configurations to clients connected to this interface. Options vary depending on the interface type.	option	-	none
ip-mode	Method used to assign client IP	option	-	range
	Option Description range Assign by IP range.
ip-range	Configure IPv6 address list. See config ip-range.	array	-	none
prefix-range	Configure IPv6 prefix list. See config prefix-range.	array	-	none

config ip-range

Parameter	Description	Type	Size	Default
start-ip	Start of IP range.	IPv6 address	-	none
end-ip	End of IP range.	IPv6 address	-	none

config prefix-range

Parameter	Description	Type	Size	Default
start-ip	Start of prefix range.	IPv6 address	-	none
end-ip	End of prefix range.	IPv6 address	-	none
prefix-length	Prefix length.	integer	-