HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 3 - IP Services Comm - Page 131
ipv6 address auto link-local, ipv6 address eui-64
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[Sysname-Vlan-interface100] ipv6 address auto ipv6 address auto link-local Syntax ipv6 address auto link-local View undo ipv6 address auto link-local Interface view Default level 2: System level Parameters None Description Use ipv6 address auto link-local to automatically generate a link-local address for an interface. Use undo ipv6 address auto link-local to remove the automatically generated link-local address for the interface. By default, no link-local address is configured on an interface, and a link-local address will be automatically generated after a global IPv6 unicast address is configured for the interface. • After an IPv6 global unicast address is configured for an interface, a link-local address is generated automatically. The automatically generated link-local address is the same as the one generated by using the ipv6 address auto link-local command. • The undo ipv6 address auto link-local command can only remove the link-local addresses generated through the ipv6 address auto link-local command. After the undo ipv6 address auto link-local command is used on an interface that has an IPv6 global unicast address configured, the interface still has a link-local address. If the interface has no IPv6 global unicast address configured, it will have no link-local address. • Manual assignment takes precedence over automatic generation. If you first adopt automatic generation and then manual assignment, the manually assigned link-local address will overwrite the automatically generated address. If you first use manual assignment and then automatic generation, the automatically generated link-local address will not take effect and the link-local address of an interface is still the manually assigned address. If you delete the manually assigned address, the automatically generated link-local address is validated. For more information about manual assignment of an IPv6 link-local address, see the ipv6 address link-local command. Examples # Configure VLAN-interface 100 to automatically generate a link-local address. system-view [Sysname] interface vlan-interface 100 [Sysname-Vlan-interface100] ipv6 address auto link-local ipv6 address eui-64 Syntax ipv6 address ipv6-address/prefix-length eui-64 124