Refer to the exhibit. A network administrator has issued the exhibited commands in an attempt to activate RIPng on interface gig0/0. What is causing the console message that is shown after RIP is enabled?
- Interface gig0/0 is shutdown.
- Interface gig0/0 does not have a valid IPv6 address.
- IPv6 unicast routing has not been enabled on this router.*
- IPv6 is not supported on this IOS.