L2 Basics: Configuring an EtherChannel
How to configure a basic etherchannel on Cisco devices
Networking Basics
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
SRX Basics: Redunancy Groups and Failover
Some background & configuration examples for Juniper SRX redundancy groups
SRX Basics: Clustering
A short tutorial on how to configure Juniper SRX clustering
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)
IP Address Design (Part 1)
A quick look at an IP addressing scheme that was never designed to scale, and quickly hit its limits.