R1# show ip route
Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
(output omitted for brevity)
O 10.0.4.0/24 [110/50] via 10.0.3.2, 00:24:22, Serial0/1/1
O 10.0.5.0/24 [110/50] via 10.0.3.2, 00:24:15, Serial0/1/1
R1# show ipv6 route
IPv6 Routing Table - default - 10 entries
(Output omitted)
NDr - Redirect, RL - RPL, O - OSPF Intra, OI - OSPF Inter
O 2001:DB8:ACAD:4::/64 [110/50]
via FE80::2:C, Serial0/1/1
O 2001:DB8:ACAD:5::/64 [110/50]
via FE80::2:C, Serial0/1/1
Note: IPv6 routing protocols use the link-local address of the next-hop router
Here is an example of using the OSPF Routing Protocol to dynamically learn all the networks connected to R1 and R2
The routing table entries use the status code of O to indicate the route was learned by the OSPF routing protocol