What is the effect of configuring the ipv6 unicast-routing command on a router?
to assign the router to the all-nodes multicast group
to permit only unicast packets on the router
to enable the router as an IPv6 router
to prevent the router from joining the all-routers multicast group
to assign the router to the all-nodes multicast group
to permit only unicast packets on the router
to enable the router as an IPv6 router
to prevent the router from joining the all-routers multicast group