The Reality is Not As You See It - Network Engineering Pro Tips

In Enterprise Networking context, 90% probability is that You are never going to encounter " Multi Area OSPF ", " OSPF Virtual Links ", " OSPF as PE-CE Routing Protocol ", " EIGRP as PE-CE Routing Protocol " & " BGP Confederations ", assuming " RIP " is by now resting in peace ✌

Unless...

1. You want to be fancy
2. You are preparing for your favorite vendor's expert level lab exam
3. Your network design is broken
4. Perhaps you have really good and convincing reasons to opt. for odds

And of course its worth knowing - how anti-patterns such as SD-WAN and MPLS Layer-3 VPNs makes it even rare besides tons of overlays you see around.

So next time you see those on your favorite Networking vendor exam blueprint, don't shy away to ask ...Why ?

HTH...

A Network Artist 🎨