Cheaper switches don’t automatically mean a cheaper network. A framework for evaluating SONiC TCO — staffing, tooling, scale thresholds, and organizational readiness at the enterprise edge.

Commodity 1G switching hardware now runs SONiC. For enterprises managing tens of thousands of network nodes, the economics of open networking at the access layer are worth a serious look.

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 straightforward 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.