Question about Zyxel G-4100 v2 WirelessHot-Spot Gateway - 1 x WAN, 4 x LAN - IEEE 802.11b/g - Wireless Router (G4100RV2)

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We have been using the zyxel G 4100 v2 for 3 years. Last week we found out that we could no longer use our web based password to monitor our accounts. Did someone hack our system. How can we recover our passords ?

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  • Zyxel Master
  • 7,733 Answers

Just reset it! At the back of the router is a small hole with th word "RESET".With a toothpick or some like press gently for 30 seconds and wait for the router to start up again.Log in to http://192.xxx.xxx and start a new configuration.

Posted on Jan 01, 2011

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Posted on Jan 02, 2017

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2 Answers

Password recovery for ZyXEL3480wfy


ZyXEL Router Passwords
Finding your ZyXEL router's user name and password is as easy as 1,2,3.
  1. Find Your ZyXEL Router Model Number


    Look in the left column of the ZyXEL router password list below to find your ZyXEL router model number.
  2. Find Your ZyXEL Router Username


    Look one column to the right of your router model number to see your ZyXEL router's user name.
  3. Find Your ZyXEL Router Password


    You know the drill. Look another column to the right to find your ZyXEL router's password.
Great! You've found the password and username for your ZyXEL router! What next?

Login to Your ZyXEL Router Using the Router Password
Try logging into your ZyXEL router using the username and password.

Don't Know How to Login to Your ZyXEL Router?


You can login to a ZyXEL router in three easy steps:
  1. Find Your ZyXEL Router IP Address


  2. Enter Your ZyXEL Router IP Address Into an Internet Browser's Address Bar

  3. Submit Your ZyXEL Router Username and Password When Prompted By Your Router

=============== OR: ===============

Forgot Router Password?
If you are having trouble logging in to your router, there is a good chance that your router's user name and password are still set to the default settings.
What should you do?
Login to Your Router Using the Default Router Password
Try logging into your router using the default username and password for your router.

Don't Know How to Login to Your Router?


You can login to a router in three easy steps:
  1. Find Your Router IP Address


  2. Enter Your Router IP Address Into an Internet Browser's Address Bar

  3. Submit Your Router Username and Password When Prompted By Your Router

For more information on how to login to your router please see our Free Guides.
Still can't login to your router even when using the default username and password for your router?

Reset Router Password To Default Settings

(Use this as a last Resort!)
Find Your Default Router Password
Simply select your router manufacturer from the list below to display the default router passwords and usernames.

Nov 02, 2014 | Zyxel Computers & Internet

1 Answer

Access zyxel configure


From the manual:

Follow the steps below to log into the web configurator.
1 Start your web browser.
2 Type "http://" and the IP address of the ZyXEL Device (for example, the default is
192.168.1.1) in the Location or Address field. Press [ENTER].
3 The login screen appears. Select admin in the User Name field to log in as an
administrator.
4 Enter the associated password. The default administrative login password is "1234".

Link to manual:
ZyXEL Communications ZyXEL NBG 415N User Manual Chapter 2 The Web...

Jul 09, 2014 | Zyxel NBG-415N Router

1 Answer

I no longer have a linksy's device connected to my computer and want the ZyXel P-660R-D1 device to work on my AOL.Com connection so how can I do this for DSL or Broadband connection


First of all good purchase, i use similar router P-660HW-D1 as it supports SNMP for monitoring and log server features.

Have you tried the wizard ? did it give any errors ?

The official settings are :

Connection protocol: PPPoE
VPI: 0
VCI: 38
Username: yourusername@aol.com
Password: youraolpassword
Authentication: CHAP

I had issues with AOL a year back for a friend and we were never able to get a ZyXel working over the connection, hopefully this has changed and they are now using standard ADSL authentication.

On the home page of your router there is a "packet status" link click that and it will give you info about the link status. Also look in the log for any PPP activity and reply to this thread with the info it contains if it does not work.

Hope it helps, Lee :)

Dec 22, 2010 | Zyxel Prestige 660R Router (91004397002)

1 Answer

Forgot my securty key for zyxel p66ohw


Hello,
Log on to the router by typing the IP address into a web browser. This will log you into the router.
Once logged in you can select the "security" section and find your security key.
If you no longer have the password to log in you will need to reset the router. You can reset it by pressing a pin inot the pin hole on the back of the router near the AC adapter plug.
Thanks

Jun 07, 2010 | Zyxel P660HW-D1 Router

1 Answer

Yesterday I resetted my router becouse when I tried to access its information through the Web Based Configurator, I couldnt see anything else but the name P-660HW-D1 and no options. I did some researching...


Just reset your router and use (admin) for user name and password. To reset your router you can see a small hole in your router which is labeled reset. Use a pin and insert it to the hole and push.

Jun 05, 2010 | Zyxel P660HW-D1 Router

2 Answers

What is my password how do I find it


Here is a list of possiblities assuming you have not configured a password yourself and forgot it, if you have forgot your own password your will have to reset the router to default setting by pressing in the reset button on the back, usually its very small and will require a tack, or perhaps a tooth pick.

Possible Usernames/Passwords:

admin/no password

admin 1234
admin/1234

no user name/admin

no user name/1234

root/1234

webadmin/1234

Apr 12, 2010 | Zyxel P320W 802.11G Wireless Firewall...

1 Answer

WEP key for ZyAir B-2000


go to the web page of the router default ip address is 192.168.1.1 and user name is admin and password is 1234. after then go to the wireless option in that seciurty option is there in that u get the wep in that you can get the password you change it that's all

May 05, 2009 | Zyxel ZyAIR B-2000 Wireless Router

1 Answer

G-4100


I had a problem after upgrading my firmware too. My custom login page was not working.

It turned out that there was an incremental change that added a "name" to the login page so you have username, password and name.

All i had to do was add the name to my custom login and it worked again.

Hope this helps

Jan 07, 2009 | Zyxel ZyAIR G-4100 Wireless Router...

1 Answer

Zyxel P660HW-D1 Router Problem


my modem and router were working well, and then my router has stopped working

Aug 16, 2008 | Zyxel P660HW-D1 Router

4 Answers

Installing wireless router


um is it compatible with vista and/or upgradable?

Jan 15, 2008 | Zyxel Prestige P-330W Wireless Router...

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