Enable IPv6 Stateless Address Autoconfiguration to generate addresses using a combination of locally available information and information advertised by routers.
The default is disabled.
enable
configure terminal
ipv6 autoconfig
Switch:1(config)#ipv6 autoconfig
The following example shows a sample output for the show ipv6 global command.
Switch:1#show ipv6 global forwarding : disable default-hop-cnt : 64 number-of-interfaces : 2 icmp-error-interval : 1000 icmp-error-quota : 50 icmp-unreach-msg : disable icmp-addr-unreach-msg : enable icmp-port-unreach-msg : enable icmp-echo-multicast-request : enable static-route-admin-status : enable alternative-route : enable ecmp : disable ecmp-max-path : 1 source-route : disable host-autoconfig : enable