network - Pathvector

dns

How DNS Really Resolves a Name: Build Your Own Root, TLD, and Authoritative Servers and Trace Every Step

This post is part of Protocol Lab, a free, hands-on series for learning networking protocols by building and breaking them in a container lab. All the lab material — topologies, configs, and scripts — lives in the repo: github.com/pathvector-studio/protocol-lab. When you type a hostname, your machine asks exactly one

rpki

RPKI Origin Validation: Watch BGP Routes Turn Valid, Invalid, and Not Found

This post is part of Protocol Lab, a free, hands-on series for learning networking protocols by building and breaking them in a container lab. All the lab material — topologies, configs, and scripts — lives in the repo: github.com/pathvector-studio/protocol-lab. BGP will happily show you who originated a route — but

bgp

Competing Origins: When Two ASes Announce the Same Prefix, Who Do You Believe?

This post is part of Protocol Lab, a free, hands-on series for learning networking protocols by building and breaking them in a container lab. All the lab material — topologies, configs, and scripts — lives in the repo: github.com/pathvector-studio/protocol-lab. In this lab, you will make two different ASNs announce

bgp

BGP UPDATE in Action: Watch a Route Appear, Disappear, and Come Back

This post is part of Protocol Lab, a free, hands-on series for learning networking protocols by building and breaking them in a container lab. All the lab material — topologies, configs, and scripts — lives in the repo: github.com/pathvector-studio/protocol-lab. In this lab you will watch a single BGP route

bgp

BGP From Scratch: Announce One Prefix and Explain Every Field of the Route

This post is part of Protocol Lab, a free, hands-on series for learning networking protocols by building and breaking them in a container lab. All the lab material — topologies, configs, and scripts — lives in the repo: github.com/pathvector-studio/protocol-lab. In this first BGP lab, you will build a tiny

bgp

Anycast Explained: One IP Address, Many Servers, and BGP Picks the Winner

This post is part of Protocol Lab, a free, hands-on series for learning networking protocols by building and breaking them in a container lab. All the lab material — topologies, configs, and scripts — lives in the repo: github.com/pathvector-studio/protocol-lab. In Lab #29, multicast sent a single packet to a