200-301 · Question #384
What is the effect when loopback interfaces and the configured router ID are absent during the OSPF Process configuration?
The correct answer is B. The highest up/up physical interface IP address is selected as the router ID.. A router ID is determined in the following order: 1. using the router-id command under the OSPF process to statically configure the router ID. 2. using the highest IP address of the router’s loopback interfaces. 3. using the highest IP address of the router’s active (up) physical
Question
What is the effect when loopback interfaces and the configured router ID are absent during the OSPF Process configuration?
Options
- ANo router ID is set, and the OSPF protocol does not run.
- BThe highest up/up physical interface IP address is selected as the router ID.
- CThe lowest IP address is incremented by 1 and selected as the router ID.
- DThe router ID 0.0.0.0 is selected and placed in the OSPF process.
How the community answered
(34 responses)- B91% (31)
- C3% (1)
- D6% (2)
Explanation
A router ID is determined in the following order: 1. using the router-id command under the OSPF process to statically configure the router ID. 2. using the highest IP address of the router’s loopback interfaces. 3. using the highest IP address of the router’s active (up) physical interfaces.
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