OSPF Network and Area Types

OSPF topics are found extensively throughout the CCNP Enterprise track in Cisco, seen on the ENCOR, ENARSI, and CCIE exam topics blueprints. In this video, we’ll discuss network and area types, and take a look at the different LSAs that are seen in an OSPF network.
Enjoy the training!
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Kevin Wallace, CCIEx2 7945 Emeritus (Collaboration and R&S)
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[@davidosborne4481]

In my opinion, you guys do the best job breaking down and explaining topics in an easy-to-understand fashion. Thank you!

[@preacher1776]

Brushing up my OSPF skills because I always confuse stub, NSSA, and totally stub area types. You had me hooked with the Foo Fighters poster behind you! Nice presentation afterwards!

[@BeeBumper]

Awesome cannot have enough on ospf and lsa types.

[@CT-zq3kz]

Man, Kevin gets younger and younger every video

[@abdumka]

Nice! I wish you can do a more comprehensive video about OSPF network types. Also, for Totally stubby areas you'd only want to do "area 1 stub no-summary" on the ABR, other routers within the area can use "area 1 stub". Unless there is a reason I may not know.

[@taiquangong9912]

Nice refresher haven't touched cisco in a while.

[@Nk-cy1cu]

Precise and clear. Charles. Hey have you made a complete video on ospf. Please share if you have. Thanks

[@jasejj]

I don't think the no-summary parameter is required on non ABR members is it?

[@lung510]

Yes, no-summary only config on ABR ONLY

[@hatemnegm2688]

Keep the good work

[@skabbas89]

Hello Charles, Can we get a GitHub link of the configurations? Pretty Please!

[@Nk-cy1cu]

Can Run the command clear ip ospf process in a production environment.. if not why and how it impacts

[@JoeSmith-gb4ng]

Yes you can run it but you need to understand the impact it's going to have on your network. Doing so will force OSPF to converge again which depending on the size of your network could take a while. Thus your network traffic will be impacted. Definitely not something you want to do outside of a planned maintenance window and with your boss saying it's OK. Of course you can do it whenever but make sure to have an updated resume because you'll probably need it afterwards.

[@Nk-cy1cu]

@@JoeSmith-gb4ng planned maintenance is the real deal.. thanks

[@forsabby]

What is link Id ?