OSPF Verification

The OSPF neighbor relationship is back up and the monitoring alerts have stopped.
The Team Leader thanks you for resolving the incident.

Figure 1 – The OSPF incident is resolved

But there is one more step.
You need to verify your fix.

When you are ready, mark this step as complete and continue.

You saw the syslog message when the adjacency came up.
Now let's confirm it directly on the router.

Connect to HQ-R1 and follow the instructions.

Here is the output again, with the important part highlighted:

HQ-R1# show ip ospf neighbor

Neighbor ID     Pri   State           Dead Time   Address         Interface
10.10.0.2         1   FULL/DR         00:00:36    10.10.0.2       GigabitEthernet0/0

This output is the proof of your fix.

• FULL means the two routers have fully exchanged their routing information.
  If the state is stuck below FULL, the adjacency is not working.

You fixed the issue, and you verified it.
This is how network engineers work: fix, then verify.