Advertising the loopback in OSPF

Is it considered best practice to advertise your loopback interface that is being used as the RID? I noticed Bryant does this in his video series and I'm wondering why.

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Comments

kryolla

OSPF RID doesn't need reachability so you don't need to advertise it. Is Bryant using the loopback to simulate a network

gojericho0

He may be advertising the loopback as well so you can get to the router if there is redundant links and a circuit goes down

wat08

kryolla wrote:

Is Bryant using the loopback to simulate a network

Yes, this very well may be the reason. I was just wondering if there was a design principle attesting to it.

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