Cisco 200-301 Question Answer
Refer to the exhibit.
What does router R1 use as its OSPF router-ID?
10.10.1.10
10.10.10.20
172.16.15.10
192.168.0.1
OSPF uses the following criteria to select the router ID:
1. Manual configuration of the router ID (via the “router-id x.x.x.x” command under OSPF router configuration mode).
2. Highest IP address on a loopback interface.
3. Highest IP address on a non-loopback and active (no shutdown) interface.
TESTED 11 Jul 2025
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