If you need to login to the Sagemcom Fast 3864V3AC router, then this guide shows you how.
Other Sagemcom Fast 3864V3AC Guides
This is the login guide for the Sagemcom Fast 3864V3AC 10.96 Optus. We also have the following guides for the same router:
Find Your Sagemcom Fast 3864V3AC Router IP Address
The first thing that we need to know in order to login to the Sagemcom Fast 3864V3AC router is it's internal IP address.
| Known Fast 3864V3AC IP Addresses |
|---|
| 192.168.0.1 |
Choose an IP address from the list above and then follow the rest of this guide.
If the IP address you picked does not seem to work, then simply try a different one. I will not hurt anything to try different IP addresses.
If you try all of the above IP addresses and still cannot find your router, then try the following:
- Use our Find Your Router's Internal IP Address guide.
- Use our free software called Router Detector.
Once you have the internal IP Address of your router, you can log in to it.
Login to the Sagemcom Fast 3864V3AC Router
The Sagemcom Fast 3864V3AC is managed through a web-based interface. You can manage it by using a web browser such as Chrome, Firefox, or Edge.
Enter Sagemcom Fast 3864V3AC Internal IP Address
Type the internal IP address that you picked above in the address bar of your web browser. The address bar will look like this:
Press the Enter key on your keyboard. You will see a window asking for your Sagemcom Fast 3864V3AC password.
Sagemcom Fast 3864V3AC Default Username and Password
In order to login to your Sagemcom Fast 3864V3AC you are going to need to know your username and password. It's possible that the router's password is still set to the factory default. All of the default usernames and passwords for the Sagemcom Fast 3864V3AC are listed below.
| Sagemcom Fast 3864V3AC Default Usernames and Passwords | |
|---|---|
| Username | Password |
| optus | 1234 |
Put your username and password in the appropriate boxes. Put your username and password in the appropriate boxes.
Sagemcom Fast 3864V3AC Home Screen
When you get logged in you should be at the Sagemcom Fast 3864V3AC home screen, which looks similar to this:
If you see this screen, then good job, you are now logged in to your Sagemcom Fast 3864V3AC router. You are now ready to follow one of our other guides.
Solutions To Sagemcom Fast 3864V3AC Login Problems
Here are some ideas to help if you are having problems getting logged in to your router.
Sagemcom Fast 3864V3AC Password Doesn't Work
Perhaps your router's default password is different than what we have listed here. You can try other Sagemcom passwords. We have an extensive list of all Sagemcom Passwords that you can try.
Forgot Password to Sagemcom Fast 3864V3AC Router
If your ISP provided your router, then you may have to call them to get your login information. They will most likely have it on file.
How to Reset the Sagemcom Fast 3864V3AC Router To Default Settings
If you still cannot get logged in, then you are probably going to have to reset your router to its default settings. Our How To Reset your Router guide can help you reset your router to factory defaults.
Other Sagemcom Fast 3864V3AC Guides
Here are some of our other Sagemcom Fast 3864V3AC info that you might be interested in.
This is the login guide for the Sagemcom Fast 3864V3AC 10.96 Optus. We also have the following guides for the same router: