In the video, Russ discusses the designated and backup designated routers used in OSPF. Learn how the DR and BDR create an efficient communication model within OSPF.
Author
Russell Long
Released
10/30/2017
Without routing, there is no way to access out-of-network resources or the internet. Efficient routing is an important part of any IT administrator's job. That's why it's a key objective of the Cisco ICND2 exam—one of two qualifying exams for CCNA Routing & Switching certification. In this course, instructor Russell Long helps you prepare for the exam and understand the basics of Layer 3 routing. He explores concepts such as static vs. dynamic routing, switch-level routing, and key dynamic IPv4 and IPV6 routing protocols. Learn configuration, management, and troubleshooting techniques for the popular InterVLAN, OSPF, and EIGRP protocols, as well as tips for more secure network routing.
Topics include:
- Static routing
- Dynamic routing
- Interior vs. exterior routing protocols
- InterVLAN routing
- OSPF routing
- EIGRP routing
- Other routing protocols
Skill Level Intermediate
2h 30m
Duration
30,404
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Introduction
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Welcome1m 2s
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What you need to know2m 30s
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1. Routing
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Routing basics10m 12s
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Dynamic routing protocols3m 38s
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2. InterVLAN Routing
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Router on a stick6m 22s
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Configuration demo4m 34s
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Switch level routing2m 57s
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3. OSPF
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The basics of OSPF5m 2s
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Cost calculations5m 47s
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Areas and LSAs10m 45s
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OSPF configuration demo10m 42s
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OSPF troubleshooting6m 18s
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DR and BDR6m 53s
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Cost manipulation7m 23s
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4. EIGRP
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The basics of EIGRP6m 24s
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The EIGRP metric10m 20s
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Adjacencies6m 9s
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Load balancing5m 32s
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EIGRP configuration demo6m 30s
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5. Other Protocols
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RIP, BGP, and MPLS6m 57s
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Conclusion
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Next steps2m 33s
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Video: DR and BDR