As you move forward with your CCIE studies and gear up for the new 2020 exams, be sure to work through Brian McGahan's course, Open Shortest Path First (OSPF). Read More
There was an interesting post on IEOC yesterday in regards to an OSPF virtual link. Below is the original post and questions to win at the bottom of this post. Okay, I have never came across anything like this before. On R2 and R3 connected via serial with HDLC. OSPF network type default to P2P. I configured VL using the OSPF RIDs of both routers. R3 VL comes up and R2 VL is down. I changed just about every option which makes logical sense and nothing works. I reboot and clear process and still... Read More

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