Experimental simulation
Build lab topology
Test connectivity
Single-area OSPF network deployment
The default ospf process 1, then create a zone using the area command and enter ospf area view, because it is a single-zone configuration, so the use of backbone area. That area 0
Ospf interface to check whether the correct notice DR is the designated router BDR is a backup router
Check the configuration ospf single area
We can look at the routing table R1
Ospf also provided on R2
View the routing table found ah 2.0 more information network
We look at the connectivity between the pc
If we connect this line deleted
Then look at the R1 routing table, find the corresponding ospf disappeared
This time alternate route on the role
Of course, we can set the router's manual id id routing can control who is and who is the alternate route, first set the roundabout interface ip
Id router settings
Id router discovery has changed
Remember save