Using Scapy to dynamically build and test ISAKMP packets with Python.

Deep dive into constructing ISAKMP packets byte-by-byte.

Using pre-built hex packets with netcat to test ISAKMP Phase 1 negotiations.

Learn how CiscoConfParse makes parsing Cisco configurations simple by understanding parent/child relationships - no more complex regex patterns needed.

How I migrated network-notes.com from self-hosted WordPress on DigitalOcean to Hugo on Cloudflare Pages

The second in a series on Parsing Network Device Output, this post focuses on the difference between a network device’s Status and it’s Configuration.

The first in a series on Parsing Network Device Output, this post focuses in on Regular Expressions or regex

Cisco’s 2020 certification program overhaul: what changed and how it affects your career path.

Happy 2019 everyone! Since I was lucky enough to be selected as a Cisco Champion for 2019, I thought it was time to revive my zombie blog!

I’ve got quite a few posts in the hopper and will focus on not being such a perfectionist to posts that I don’t just hit that “Publish” button. Posts will be coming about:

• Network Security
• Network Programmability
• Python
• Systems Architecture
• And more!

Here’s to an exciting and educational 2019!

Testing ISAKMP connectivity with netcat and basic UDP packet crafting.