Networx
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Last edit: 07 March 2026
Resource Type Teaching Resources, Example Programs and Live Lessons
Curriculum Topic Computer Networks
English Key Stage 14-16 years (KS4), 16-18 Years (KS5)
Awarding Bodies AQA, OCR, WJEC EDQAS, Pearson / Edexcel, CCEA
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A browser-based network emulator for teaching computer networking concepts at GCSE and A Level (OCR specifications J277 and H446).
Networx lets you build virtual networks by dragging hardware components onto a canvas and connecting them with wired or wireless links. Once built, you can:
- Run terminal commands on PCs, laptops, and servers —
ping,traceroute,ipconfig,nslookup,curl,ssh, and more - Ping domain names —
ping google.comresolves via DNS and routes through the internet node - Inspect switch MAC tables — tables populate as traffic flows, showing which MAC address was learned on which port
- Configure routers — add static routing table entries
- Set firewall rules — allow/deny by protocol, port, and IP
- Configure wireless access points — SSID, WPA key, 2.4/5 GHz band
- Load preset scenarios — five built-in topologies covering key exam topics
- Save and share — export your network as a
.jsonfile and import it elsewhere
Online at https://milesberry.net/networx