Different route types in the IPv6 routing table

Default route (::/0)

A static route used by all traffic that has a destination network not reachable through any other IPv6 route in the routing table.

Directly connected routes

Destinations on the router itself. One route is automatically entered per configured IPv6 interface. Each such route is automatically assigned an administrative distance of "0" and a metric of "1". Directly connected routes include:

IP routing interface

Where the routing switch is connected to a next-hop router on the same interface, a route is automatically entered for the network on which the IP routing is configured. This includes destinations for both global unicast and link-local addresses configured on the routing switch for that interface.

Manually configured IPv6 loopback interfaces

IPv6 loopback interfaces that are manually configured.

Loopback route

A static IPv6 route automatically created in the routing table for use if other routes to a destination are not available. The gateway is a loopback interface (lo0) and the destination is ::1/128.

Statically configured routes

On a given routing switch, one static route can be configured directly into the routing table for each destination. In the default configuration, administrative distance and route metric are both "1". See ipv6-gateway-addr.


If OSPFv3 is enabled, the routing switch learns of routes from the advertisements other OSPFv3 routers transmit. If the OSPFv3 route has a lower administrative distance than any other routes from different sources to the same destination, the routing switch places the route in the IPv6 route table. See Metric and administrative distance.