How to factory reset ZyXEL NBG6817 router – Default Login & Password

The ZyXEL NBG6817 router has Gigabit WiFi, 4 Gigabit ETH-ports and 0 USB-ports.
It is also known as the ZyXEL AC2600 MU-MIMO Dual-Band Wireless Gigabit Router. It also supports custom firmwares like: LEDE Project
How to factory reset ZyXEL NBG6817 - Default Login & Password

ZyXEL NBG6817 default Password , Login & Gateway settings :

If you have performed a reset of your NBG6817 device or not changed the defaults, you
should
be able to access it with the following settings
Default subnet mask: 255.255.255.0

How to factory reset (hard reset) ZyXEL NBG6817 :

You can factory reset your ZyXEL NBG6817 in the following way(s)
Through the web interface
Open web browser and go to the address of your router (check defaults below)
Log in with your username/password (default are below)
Under Maintenance, locate Backup/Restore and click it
Locate the section Factory defaults and click the reset button, if prompted click Ok
Wait for the router to reboot
With the reset button
Have the router plugged in and turned on
Locate the reset button which is marked reset and usually in a hole
With a paperclip or sharp pen, press and hold the reset button for 10 seconds until the SYS light starts to blink
If the SYS light doesn’t start to blink after 10 seconds
Keep holding the reset button pressed
Turn off the modem / unplug it
While still holding the reset button, start / plug in the router
After about 20 seconds, the Power or SYS light will start blinking rapidly
Release the reset button
When the light stops blinking and light up normally the router is reset.

ZyXEL NBG6817 router specifications :

System specs
CPU: 1.7 GHz
RAM: 512 MiB
Flash: 4,096 MiB + 4 MiB
Custom firmwares: LEDE Project
Connectivity
WiFi: Gigabit (abgn+ac)
WiFi bands
2.4GHz & 5GHz
WiFi throughput: n/a
WAN
1 x Gigabit port
ETH
4 x Gigabit ports
USB-ports: 0
NBG6817 Firmwares
Staying up to date with the latest firmware is a good idea to keep your router even more
secure
from various security flaws.
If you want to squeeze a little bit of extra functionality out of your router, consider
flashing
an open-source firmware like dd-wrt, openWRT or LEDE. Flashing a custom ROM can greatly
increase
the stability and functionality of your old router.
Following are the firmwares that we have identified existing for the ZyXEL NBG6817
Flashing LEDE Project on the NBG6817
The ZyXEL NBG6817 is also supported by the LEDE Project.
To install LEDE aquire the correct firmware from their
Firmware downloads page and
then follow the instructions on their
Quick Start Guide
Note: Make sure to read the LEDE wikis carefully before flashing.