Observed arrival · 2026-10-29
Step by Packet: Networking, one packet at a time
Free animated lessons walk through network protocols, configurations, and CCNA-to-CCIE exam notes.
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- CCNA, CCNP, and CCIE networking learners
- Worth noticing
- The catalog lists 50 guides across eight chapters, with individual topics running 12–19 sections.
Field notes
The catalog divides its material into eight chapters, including VPNs and tunnels, overlays and fabrics, and monitoring and operations. Topic listings give a sense of depth: OSPF has 16 sections, while BGP has 19. The exam selector names specific Cisco tracks and codes, including CCNA 200-301, ENCOR 350-401, and CCIE Enterprise Infrastructure.
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