ZyXEL Communications P-2304R-P1 Series User Manual

Chapter 21 Troubleshooting

P-2304R-P1 Series User’s Guide

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1 The default IP address is 192.168.1.1.
2 If you changed the IP address and have forgotten it, you might get the IP address of the 

ZyXEL Device by looking up the IP address of the default gateway for your computer. 
To do this in most Windows computers, click Start > Run, enter cmd, and then enter 
ipconfig. The IP address of the Default Gateway might be the IP address of the ZyXEL 
Device (it depends on the network), so enter this IP address in your Internet browser.

 

3 If this does not work, you have to reset the device to its factory defaults. See 

.

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1 The default password is 1234.
2 If this does not work, you have to reset the device to its factory defaults. See 

.

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1 Make sure you are using the correct IP address.

• Use the ZyXEL Device’s LAN IP address when configuring from the LAN.
• Use the ZyXEL Device’s WAN IP address when configuring from the WAN.
• The default LAN IP address is 

192.168.1.1

.

• If you changed the LAN IP address (

), enter the new one as the 

URL.

• If you changed the LAN IP address and have forgotten it, see the troubleshooting 

suggestions for 

2 Check the hardware connections, and make sure the LEDs are behaving as expected. See 

the Quick Start Guide and 

3 Make sure your Internet browser does not block pop-up windows and has JavaScripts 

and Java enabled. See 

.

4 If you disabled Any IP (

), make sure your computer is in the 

same subnet as the ZyXEL Device. (If you know that there are routers between your 
computer and the ZyXEL Device, skip this step.)

 

• If there is a DHCP server on your network, make sure your computer is using a 

dynamic IP address. See 

. Your ZyXEL Device is a DHCP 

server by default.