Wednesday, August 4, 2021

Single or Multiple OSPF Areas for Vlans

I'm very new to OSPF routing, and I feel like I have a decent understanding, but something is tripping me up and I'm hoping someone can chime in here to help me understand some things.

I have multiple layer 3 switches lets say S1 and S2 that will be connected to each other. I will be routing traffic between them using OSPF. Each switch will be connected by P1 and P2. Both P1 and P2 have different vlans and the traffic shouldn't cross for any reason, will I need to create multiple areas (one for each Port/Vlan or would I group them in a single (area 0) and and send the traffic that way.



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