A three-area OSPF topology built first in Packet Tracer, then rebuilt on real IOS images. Covers ABRs, route summarization, a virtual link, and passive interfaces. Includes the full addressing plan and verification command cheat-sheet. (In progress.)
A Python CLI that reads a list of departments and host counts, then produces
an optimal VLSM plan using the ipaddress standard
library. Built to stop making subnetting mistakes by hand - and to learn
argparse properly.
Netmiko script that connects to every device in an inventory file over SSH, pulls the running-config, timestamps it, and produces a diff against the previous backup. Currently adding email alerts when a config changes.
A segmented home lab behind pfSense with Suricata IDS on the WAN edge and a log pipeline for practicing detection and alert triage. Blog write-ups cover each stage of the build and the first real alerts it caught.
Study notes, lab writeups, and a spaced-repetition flashcard deck for CCNP Security, replacing the CCNA-Notes project now that I've moved on to the professional-level security track. Cleaning them up for publication.
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Status codes: up/up = shipped · up/down = in progress · admin down = planned