+---------------+ +--------------------+ +------------------+ | Client PC | ------------ | Layer 2 Switch | ----------- | HTTP Server | | 192.168.1.10 | | (VLANs/Access) | | IP: 192.168.1.2 | | | | | | Listening: 8001 | +---------------+ +--------------------+ +------------------+ 1. Setting up a Custom Web Service

This failure prevents the software from associating your local instance with your NetAcad or Skills For All account, effectively locking you out of the application. Root Causes

– Train your simulated users (PCs, laptops) to type http://ip:8001 . Many students fail exams because they omit the colon and port number.

In the context of , Port 8001 serves two distinct purposes: internally as the required local socket for Skills for All (SFA) authentication and login processes, and in the network simulation workspace as a custom port for web services or firewall management traffic.

: Manually allow Packet Tracer through your Windows Security settings.

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