It's Never The Network

Practical Automation - mod_acl

By Brandon James on 2019-12-31 Filed Under: Route/Switch, Automation, Programming
Managing access lists is one of the more painful parts of being a network engineer. Once you've finishing working out what should or should not be allowed, you write the ACL and then paste it into all your devices. The minute you finish, the requirements change or the business lets you know what you just broke. In the future, SGTs and SDN promise to fix this problem, but you might not be there yet. `mod_acl` is a simple and fast way to manage ACLs.

Practical Automation - Netwatch

By Brandon James on 2019-09-12 Filed Under: Automation, Programming
In this article I give a brief introduction to my Netwatch script.

How I Automate - Concurrency

By Brandon James on 2019-08-01 Filed Under: Automation, Programming
Interacting with Network Devices can often be I/O limited. A function runs, waits for a response from the device, then another function runs so on and so forth. This is made worse by the fact that scripts are often run against multiple devices. After all the purpose of scripting is to speed up repetitive tasks.

How I Automate - Script Configuration using YAML

By Brandon James on 2019-02-17 Filed Under: Automation
Code reuse is an important part of scripting. You should avoid needing to modify your script each time you run it. This is one way of doing so.