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), plus Type 6 and 7.
In this video, we illustrate and explain the 5 main types of OSPF LSAs plus Type 6 and 7 explanation.
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
Type 6 LSAs – Group Multicast LSAs
Type 7 LSAs – NSSA External LSAs
In this lesson we utilise the fabulous eve-ng for your virtual environment. You can opt for either the community or professional version.
If you want the professional version, which we are using, it is highly recommended and good value for the price and offers great extras.
You will also require a virtual environment for eve-ng. We are utilising vmWare Workstation Pro for our installation.
You can download eve-ng here:
You can get vmWare Workstation here:
Presentation is with Microsoft Powerpoint:
Video edited with Movavi:
00:00 – caling-tech intro
00:11 – Like and Subscribe
00:35 – OSPF – LSA – The 7 types listed
02:04 – Type 1 LSA – Router LSA
03:35 – Type 2 LSA – Network LSA
06:26 – Type 3 LSA – Summary LSA
12:24 – Type 4/5 LSA – ASBR Summary and ASBR External LSA
19:28 – Type 6 LSA – OSPF Group Memebership LSA
20:29 – Type 7 LSA – NSSA External LSA
22:25 – Conclusion
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