38(5) [AutoIP]Set AutoIP to [Disable] or [Enable].(6) [IPv4 Address (AutoIP)]When [Enable] is selected in (5), an automatically setIP address is displayed.IPv6(1) [IPv6]Set IPv6 use to [Disable] or [Enable].(2) [Auto (RA)]Select [Enable] to set an address automatically usingRA (Router Advertisement, network informationautomatically transmitted from a router), or select[Disable] not to set an address automatically.(3) [Auto (DHCPv6)]Select [Enable] to use DHCPv6 to set an addressautomatically or [Disable] not to set an addressautomatically.(4) [IPv6 Address (Manual)]Enter a fixed IPv6 address.(5) [Prefix Length]Enter a prefix length from 16 to 128 if [Disable] isspecified in (2).(6) [IPv6 Default Gateway Address]Enter a default gateway address if [Disable] isspecified in (2). Be sure to set when connecting thecamera to a different subnet from that of the viewer.(7) [IPv6 Address (Auto)]If [Enable] is specified in (1) and [Enable] is specifiedin (2) and (3), then the automatically acquired addresswill be shown.Note• In an environment where IPv6 cannot be used, if IPv6 is set to[Enable] and auto is set to [Enable], then the [IPv6 Address(Auto)] field will display the link-local address only.DNS(1) [Name Server Address 1], [Name Server Address 2]Enter the name server address you want to register.To register only one address, keep the [Name ServerAddress 2] field blank.(2) [Auto-Setting of Name Server Address]Select the method for setting the name server addressautomatically using DHCP. Select [Use DHCP] to usea name server address obtained automatically fromthe DHCP server. Select [Use DHCPv6] to use a nameserver address obtained automatically from theDHCPv6 server. Select [Use DHCP/DHCPv6] to use aname server address obtained automatically from theDHCP server and DHCPv6 server. Select [Disable] ifnot using DHCP.To set [Use DHCP], select [Auto (DHCP)] in [IPv4Address Setting Method].To set [Use DHCPv6], select [Enable] in [IPv6], thenselect [Enable] in [Auto (DHCPv6)].Important• Contact your System Administrator for the [IPv4 Address],[Subnet Mask] and [IPv4 Default Gateway Address].• The camera's IP address cannot be set to an IP address thatstarts with 127., such as 127.0.0.1.• If any of the [IPv4 Address], [Subnet Mask] or [IPv4 DefaultGateway Address] settings are wrong, network access maybe disabled. In this case, see “Performing Initial Settings forthe Camera” (p. 28) and use VB Initial Setting Tool to set theaddress again.• The camera may become inaccessible from the active webbrowser if settings are changed in [IPv4 Address], [SubnetMask] or [IPv4 Default Gateway Address]. Check beforehandthe precautions in “Important” in “[Reboot Item] Setting ItemsRequiring Rebooting” (p. 70).• If [Auto (DHCP)] is selected as the IPv4 address settingmode, the IPv4 address may not be assigned correctly incertain environments, such as when a router is presentbetween the DHCP server and the camera. In this case,assign a fixed IPv4 address from the [Manual] settings.Important• Contact your System Administrator for the [IPv6 Address(Manual)], [Prefix Length] and [IPv6 Default GatewayAddress].• The camera may become inaccessible from the active webbrowser if settings are changed in [IPv6], [IPv6 Address(Manual)], [Prefix Length] or [IPv6 Default Gateway Address].Check beforehand the precautions in “Important” in “[RebootItem] Setting Items Requiring Rebooting” (p. 70).