Layer 2 protocols you should know as a network person
Layer 2 protocols you should know as a network person
More from Packets DownRange
Networking guides, field notes, and updates from Justin Wilson.
I achieved my Alta Labs Altitude 1000 Certificate
I’m happy to share that I’ve obtained a new certification: Altitude 1000
Russ White:Computer Network Design Complexity
Russ White is teaching a class over at O’Reilly about Computer Network Design Complexity and Tradeoffs.
“Path Hunting” in BGP
2 minutes read time Author: Justin Wilson Path hunting in BGP shows up when the network loses a route and has to figure out what comes next. You do not usually notice it during steady state. You notice it when traffic starts taking odd paths, and latency does not line up with what you expect. … Read more
Packets Down Range #40:Mike Hammett on data centers , Streamline, Aspire
Welcome to Packets Down Range #40. Lots of projects are going on here. I have been behind on getting these out.
Defining the network edge for modern networks
The network edge is one of those terms that sounds precise until you try to pin it down. Ask a few engineers where the edge is, and you will get a few different answers.
Data Center tool kits every technician should have
Anyone who has been to a data center has run into the problem of not having the correct tool. In this article, I discuss various tools you should have
Why Data Centers Are Suddenly Everywhere
All of these data centers are not showing up by accident. They are the physical response to a change in how the internet is used.
What is a hyperscaler? The 10,000 foot view
A hyperscaler is defined by its scale, control, and consistency, not by branding or marketing. These organizations build and run compute infrastructure
TCP-AO for BGP: What it is and what is does
TCP Authentication Option (TCP-AO) comes in. It is defined in RFC 5925 and exists to protect TCP sessions from spoofing and reset attacks.
BGP Traffic Engineering for Regional ISPs: Practical Control Without the Pain
Traffic rarely flows where you expect. BGP picks the “best” path, but that does not always mean the fastest or cheapest one.
Dust cover for Ethernet in outdoor or dusty environments
As many of you know, I have recently dove headfirst into the 3D printing world. One of the things I came across was these little “dust covers” for Ethernet. https://makerworld.com/en/models/2065227-ethernet-dust-cover The jury is still out on how much dust and the like these will keep out, but thats not the intriguing thing about them. Let’s … Read more