214 IPv6 Addressingipv6 address autoconfigThe ipv6 address autoconfig Interface Configuration mode command enables automatic configurationof IPv6 addresses using stateless autoconfiguration on an interface. Addresses are configured dependingon the prefixes received in Router Advertisement messages. , Use the no form of this command todisable address autoconfiguration on the interface.Syntax• ipv6 address autoconfig• no ipv6 address autoconfigDefault ConfigurationAddress autoconfiguration is enabled on the interface, no addresses are assigned by default.Command ModeInterface Configuration (Ethernet, VLAN, Port-channel) mode.User Guidelines• When address autoconfig is enabled, router solicitation ND procedure is initiated to discover a routerand assign IP addresses to the interface, based on the advertised on-link prefixes.• When disabling address autoconfig, automatically generated addresses assigned to the interface areremoved.• The default state of the address autoconfig is 'enabled'. To enable an IPv6 interface without addressautoconfig, use the enable ipv6 no-autoconfig command.ExampleThe following example enables automatic configuration of IPv6 addresses using statelessautoconfiguration on VLAN 1.ipv6 icmp error-intervalThe ipv6 icmp error-interval Global Configuration mode command configures the rate limit intervaland bucket size parameters for IPv6 Internet Control Message Protocol (ICMP) error messages. Use theno form of this command to return the interval to its default setting.Console (config)# interface vlan 1Console (config-if)# ipv6 address autoconfigbook.book Page 214 Thursday, December 18, 2008 7:40 PM
