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OSPF

Understanding Shortest Path First

lostintransit May 28, 2025

Link state protocols like OSPF and IS-IS use the...

not-all-ospf-inter-area-traffic-traverses-interfaces-in-area-0-1.png

Not All OSPF Inter-area Traffic Traverses Interfaces In Area 0

lostintransit August 28, 2024

Everyone knows that OSPF is a link state protocol....

Why Are OSPF Type 5 LSAs Flooded?

lostintransit August 19, 2024

I recently saw a great question on Reddit, on...

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OSPF – Once in your head, it really is open shortest path first ;)

Christian Scholz April 21, 2024

As we traverse the expansive landscape of network protocols,...

Why Is BFD More Light Weight Than Routing Hellos?

lostintransit February 20, 2024

There are many articles on BFD. It is well...

Valley-free Routing in Leaf and Spine Topology

lostintransit September 3, 2023

Valley-free routing is a concept that may not be...

Is One Protocol Simpler Than Two?

lostintransit August 29, 2023

I’ve been in a lot of interesting discussions the...

Choosing the Underlay Protocol in a VXLAN Network

lostintransit August 27, 2023

When building a VXLAN network, what are the considerations...

Unnumbered Links In OSPF

lostintransit August 22, 2023

This post is going to be a real deep...

Building a VXLAN Lab Using Nexus9000v

lostintransit August 20, 2023

As I dive into the world of VXLAN, I...