You have configured a router with an OSPF router ID, but its IP address still reflects the physical interface. Which action can you take to correct the problem in the least disruptive way?
A. Reload the OSPF process
B. Reboot the router
C. Specify a loopback address
D. Save the router configuration
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I did this in gns3
Specify a loopback address Will not gonna help, i execute “clear ip ospf process” command it works and this is the least disruptive way.
The answer is A
Yes, A should be the answer. Once an OSPF Router ID selection is done, it remains there even if you remove it or configure another OSPF Router ID. So the least disruptive way is to correct it using the command “clear ip ospf process”