Corresponding help text show IPv6 address but it fails.
See the output on v1.3....
vyos@vyos# edit protocols ripng [edit protocols ripng] vyos@vyos# set route Possible completions: <h:h:h:h:h:h:h:h/x> RIPng static route [edit protocols ripng] vyos@vyos# set route 2001:985:c8a2:10::/64 2001:985:c8a2:10::/64 is not a valid IPv4 address Value validation failed Set failed
The fix is very easy, the type in the node.def is IPv6 but the validation is IPv4.
See https://github.com/vyos/vyatta-cfg-quagga/blob/f7e8d9015c3ba8dc491c632c3d3d28d001acae25/templates/protocols/ripng/route/node.def#L5