I've repeated my steps but this time I put the link-local address of the router in the gateway column. I get the same result - no IPv6 default route. I can ping6 -Iwlan0 <router_link_local_address> and that works OK.
I've repeated my steps but this time I put the link-local address of the router in the gateway column. I get the same result - no IPv6 default route. I can ping6 -Iwlan0 <router_ link_local_ address> and that works OK.