L2 Basics: Configuring an EtherChannel
How to configure a basic etherchannel on Cisco devices…
What's wrong with VLAN 1?
"VLAN 1 is bad!" - I'm sure you've heard this before. Ever wonder why?…
L2 Basics: Spanning-Tree Protocol
The fundamentals of how Spanning-Tree Protocol works…
Quick Tips for Better BGP
A lot of BGP setups I run into are bare-bones, but there are a few quick ways to improve your configurations…
BGP: Getting Started with Multi-homed Internet
Exploring which design/setup questions to ask, and how to begin a basic configuration.…
IP Address Design (Part 2)
Part 2 - Re-designing an IP addressing scheme to solve current (and future) problems…
IP Address Design (Part 1)
A quick look at an IP addressing scheme that was never designed to scale, and quickly hit its limits.…