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Harmonic Router Login & Default Passwords

Default login credentials, management portal IP, and technical setup guide for Harmonic (USA) vcmts; bng-adjacent network devices. Virtualised cable access, CMTS/BNG functions.

Go to 192.168.1.1 Open

Username admin

Password admin

Harmonic models

Select any model below to view technical specs, port configuration, and setup guide

2 Models Indexed

Hardware Model	Username	Password	Actions
Harmonic Enterprise Core Pro Gateway N/A Enterprise Core	admin	admin
Harmonic Gigabit Multi-Service Router N/A Enterprise Core	admin	admin

How to log in to your Harmonic router

1 Connect your computer to the Harmonic LAN port via Ethernet cable or wireless SSID.
2 Open your web browser and navigate to http://192.168.1.1 (or https://192.168.1.1).
3 Enter the default Username: admin and Password: admin.
4 Configure your network parameters, WAN connection, and administrative security settings.

🔄 How to Hard Reset Harmonic Router to Factory Defaults

If you forgot your customized admin password or cannot reach the web portal, locate the physical RESET pinhole button on the back of your Harmonic router. While powered on, press and hold the button with a paperclip for 10 to 15 seconds until the power LED begins flashing. Release the button and wait 2 minutes for the unit to reboot with factory default credentials (User: admin / Pass: admin).

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Frequently asked questions

What is the default IP address for Harmonic routers?

Most Harmonic routers use 192.168.1.1 as their factory default gateway management address.

What is the factory default login password for Harmonic?

The standard factory username is "admin" and default password is "admin". Check your physical router label if these don't work.

How do I factory reset my Harmonic router if I forgot the password?

Press and hold the physical RESET pinhole button on the back of your Harmonic device with a paperclip for 10-15 seconds until all LED lights blink, restoring default credentials.