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taruncherukurigit/README.md

Tarun Cherukuri

Network Engineer pursuing CCNA & CWNA · M.Eng Cybersecurity, University of Maryland (3.9 GPA)

I build networks on real hardware, not simulators — FortiGate, Cisco IOS, and whatever breaks along the way gets documented, not hidden. Currently open to Network Engineer, NOC, Wireless Engineer, and Network Analyst roles.

Portfolio: taruncherukurigit.github.io/portfolio-page · LinkedIn: dsstaruncherukuri

Cherwood Corporation — a multi-division network engineering portfolio

A fictional parent company, real hardware. Four divisions live so far, each one built end-to-end and documented honestly, including the bugs.

Cherwood Health — GitHub · Pages mirror Segmented enterprise network — FortiGate 60E, Cisco 3560E/1921, 4 VLANs, SSL-VPN, RIPv2 branch routing, Prometheus/Grafana monitoring, a live-tested attack simulation. 21/21 build parts complete.

Cherwood Network Solutions — GitHub · Pages mirror · Live topology map Unattended Python/Netmiko automation — nightly config backup, Git version history, drift detection, and LLDP-based topology discovery across every managed Cherwood device, reconciling Cisco IOS and FortiOS's completely different neighbor-discovery formats. Includes root-causing a 12-year-old, still-open Paramiko/Cisco IOS SSH bug, plus a fixed-width CLI parsing bug found later when a new switch's longer hostname silently broke a column-based parser.

Cherwood Financial — GitHub · Pages mirror A real two-switch HSRP failover pair on physical Cisco 3560E hardware, verified against an actual power-pull failure test — not a config toggle. Explicit priorities, tuned timers, and Spanning Tree deliberately aligned to the HSRP-active switch. Measured failover: ~2 seconds.

Packetgeist — GitHub · Pages mirror Passive 802.11 site survey of a three-storey public library — 67 measurement points, 1,523 observations, 8 access points characterized. Coverage was never the problem; channel planning was.

Stack

FortiGate · Cisco IOS · HSRP · Python · Netmiko · Git · Flask · Prometheus · Grafana · Proxmox · nginx · Cloudflare Tunnel

Certifications

CompTIA Network+ · CompTIA Security+ · AWS Certified Cloud Practitioner · CCNA (in progress) · CWNA (in progress)

Every project above ships with a real troubleshooting log — actual bugs, root causes, and dead ends, not a cleaned-up highlight reel.

Pinned Loading

  1. cherwood-health cherwood-health Public

    A segmented enterprise network for a fictional healthcare org, built on real Fortinet/Cisco hardware — VLANs, SSL-VPN, branch routing, monitoring, automation, and a live-tested attack simulation. E…

    Shell

  2. network-automation-toolkit network-automation-toolkit Public

    Unattended Python automation for config backup, Git version control, drift detection, and LLDP-based topology discovery across Cisco and FortiGate devices — includes root-causing a 12-year-old open…

    Python

  3. plainsboro-library-survey plainsboro-library-survey Public

    Passive 802.11 site survey of a three-storey public library — 67 points, 1,523 observations, 8 APs. Coverage was never the problem.

    HTML

  4. portfolio-page portfolio-page Public

    Network engineer pursuing CCNA and CWNA, M.Eng in Cybersecurity (University of Maryland, 3.9 GPA). This site is the front door to three flagship projects, all built end to end on real enterprise ha…

    HTML

  5. hsrp-failover-lab hsrp-failover-lab Public

    Real two-switch HSRP failover pair with Spanning Tree alignment, verified against an actual power-pull failure test.

    HTML

  6. taruncherukurigit taruncherukurigit Public