1-11To do... Use the command... RemarksAutomaticallygenerate a link-localaddress for theinterfaceipv6 address autolink-localConfigurean IPv6link-localaddress Manually assign alink-local address forthe interfaceipv6 addressipv6-address link-localOptionalBy default, after an IPv6site-local address oraggregatable global unicastaddress is configured for aninterface, a link-local addresswill be generatedautomatically.z After an IPv6 site-local address or aggregatable global unicast address is configured for aninterface, a link-local address is generated automatically. The automatically generated link-localaddress is the same as the one generated by using the ipv6 address auto link-local command. Ifa link-local address is manually assigned to an interface, this manual link-local address takes effect.If the manually assigned link-local address is removed, the automatically generated link-localaddress takes effect.z Manual assignment takes precedence over automatic generation. That is, if you first adoptautomatic generation and then manual assignment, the manually assigned link-local address willoverwrite the automatically generated one. If you first adopt manual assignment and thenautomatic generation, the automatically generated link-local address will not take effect and thelink-local address of an interface is still the manually assigned one. If you delete the manuallyassigned address, the automatically generated link-local address is validated.z The undo ipv6 address auto link-local command can only remove the link-local addressesgenerated through the ipv6 address auto link-local command. However, if an IPv6 site-localaddress or aggregatable global unicast address is already configured for an interface, the interfacestill has a link-local address because the system automatically generates one for the interface. If noIPv6 site-local address or aggregatable global unicast address is configured, the interface has nolink-local address.Configuring IPv6 NDPConfiguring a Static Neighbor EntryThe IPv6 address of a neighbor node can be resolved into a link-layer address dynamically through NSand NA messages or through a manually configured static neighbor entry.The device uniquely identifies a static neighbor entry according to the neighbor IPv6 address and thelocal Layer 3 interface ID. Currently, there are two configuration methods:z Associate a neighbor IPv6 address and link-layer address with a Layer 3 interface.z Associate a neighbor IPv6 address and link-layer address with a port in a VLAN.
