Cisco Packet Tracer Port 8001 -

Port 8001 is used for Packet Tracer’s own daemon or local communication (unlike real Cisco devices where port 8001 might appear for specific management protocols). Packet Tracer itself does not open port 8001 on your host PC.

: If you are using a proxy or VPN, try disabling it. Proxies often interfere with localhost:8001 communication. cisco packet tracer port 8001