OSPF LSA - the BEST explanation of the Types of OSPF LSAs
Practical Networking
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OSPF Routers share routing information using Link State Advertisements, or LSAs. There are 5 main types of OSPF LSAs, and all of them are used to populate a Router's the Link State Database (LSDB). In this video, we illustrate and explain the 5 main types of OSPF LSAs: Type 1 LSAs - Router LSA Type 2 LSAs - Network LSA Type 3 LSAs - Summary LSA Type 4 LSAs - ASBR Summary LSA Type 5 LSAs - External LSAs This is lesson 9 of the Practical OSPF series. The full series is available here: https://www.youtube.com/playlist?list=PLIFyRwBY_4bSkwy0-im5ERL-_CeBxEdx3 00:00 - Lesson 9, 10, 11, and 12 - OSPF LSAs Types 00:50 - Topology Introduction 01:15 - Type 1 LSAs - Router LSA 02:00 - Type 2 LSAs - Network LSA 02:26 - Simple Illustration of Type 1 and Type 2 LSAs 05:19 - Type 3 LSAs - Summary LSA 08:41 - INTRA Area Routes vs INTER Area Routes vs External Routes 09:36 - Type 5 LSAs - External LSA 11:11 - Type 4 LSAs - ASBR-Summary LSA 13:29 - Summary / Outro / Next Lesson === PRE-REQUISITES === LSAs and LSDBs: https://www.youtube.com/watch?v=_ThYOX1wX_4 OSPF Areas and OSPF Types of Routers: https://www.youtube.com/watch?v=CM9BlFHB3q4 Designated Routers and Backup Designated Routers (DR / BDR): https://www.youtube.com/watch?v=Mi3tNSUjb78 ================ 💬 Join us on Discord: https://pracnet.net/discord 📜 Studying for the CCNA? Check out these free resources: https://www.practicalnetworking.net/index/ccna/ 🎯 Full Practical OSPF Series ➡️ pracnet.net/ospf: https://www.youtube.com/playlist?list=PLIFyRwBY_4bSkwy0-im5ERL-_CeBxEdx3
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