Zyxel P-2612HNU-F1F PLDT Router Manual PDF (Setup & Configuration Guide)

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P-2612HNU-Fx User’s Guide

291

C

HAPTER

27

Troubleshooting

27.1

Overview

This chapter offers some suggestions to solve problems you might encounter. The

potential problems are divided into the following categories.

•

Power, Hardware Connections, and LEDs

•

ZyXEL Device Access and Login

•

Internet Access

•

Wireless Internet Access

•

Phone Calls and VoIP

•

USB Device Connection

•

UPnP

27.2

Power, Hardware Connections, and LEDs

The ZyXEL Device does not turn on. None of the LEDs turn on.

1

Make sure the ZyXEL Device is turned on.

2

Make sure you are using the power adaptor or cord included with the ZyXEL

Device.

3

Make sure the power adaptor or cord is connected to the ZyXEL Device and

plugged in to an appropriate power source. Make sure the power source is turned

on.

4

Turn the ZyXEL Device off and on.

5

If the problem continues, contact the vendor.

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One of the LEDs does not behave as expected.

1

Make sure you understand the normal behavior of the LED. See

Section 1.6 on

page 26

.

2

Check the hardware connections. See the Quick Start Guide.

3

Inspect your cables for damage. Contact the vendor to replace any damaged

cables.

4

Turn the ZyXEL Device off and on.

5

If the problem continues, contact the vendor.

27.3

ZyXEL Device Access and Login

I forgot the IP address for the ZyXEL Device.

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

Section 1.7 on page 28

.

I forgot the password.

1

The default admin password is

1234

and the default user password is

user

.

2

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

Section 1.7 on page 28

.

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I cannot see or access the

Login

screen in the web configurator.

1

Make sure you are using the correct IP address.

• The default IP address is 192.168.1.1.

• If you changed the IP address (

Section

on page 166

), use the new IP

address.

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

suggestions for

I forgot the IP address for the ZyXEL Device.

2

Check the hardware connections, and make sure the LEDs are behaving as

expected. See the Quick Start Guide.

3

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

JavaScript and Java enabled. See

Appendix C on page 353

.

4

Reset the device to its factory defaults, and try to access the ZyXEL Device with

the default IP address. See

Section 1.7 on page 28

.

5

If the problem continues, contact the network administrator or vendor, or try one

of the advanced suggestions.

Advanced Suggestions

•

Try to access the ZyXEL Device using another service, such as Telnet. If you can

access the ZyXEL Device, check the remote management settings and firewall

rules to find out why the ZyXEL Device does not respond to HTTP.

•

If your computer is connected to the

WAN

port or is connected wirelessly, use a

computer that is connected to a

ETHERNET

port.

I can see the

Login

screen, but I cannot log in to the ZyXEL Device.

1

Make sure you have entered the user name and password correctly. The default

user name is

admin

. These fields are case-sensitive, so make sure [Caps Lock] is

not on.

2

You cannot log in to the web configurator while someone is using Telnet to access

the ZyXEL Device. Log out of the ZyXEL Device in the other session, or ask the

person who is logged in to log out.

3

Turn the ZyXEL Device off and on.

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4

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

Section 27.2 on page 291

.

I cannot Telnet to the ZyXEL Device.

See the troubleshooting suggestions for

I cannot see or access the Login screen in

the web configurator.

Ignore the suggestions about your browser.

I cannot use FTP to upload / download the configuration file. / I cannot use FTP to

upload new firmware.

See the troubleshooting suggestions for

I cannot see or access the Login screen in

the web configurator.

Ignore the suggestions about your browser.

27.4

Internet Access

I cannot access the Internet.

1

Check the hardware connections, and make sure the LEDs are behaving as

expected. See the Quick Start Guide and

Section 1.6 on page 26

.

2

Make sure you entered your ISP account information correctly. These fields are

case-sensitive, so make sure [Caps Lock] is not on.

3

If you are trying to access the Internet wirelessly, make sure the wireless settings

in the wireless client are the same as the settings in the AP.

4

If you are trying to access the Internet wirelessly, make sure you have enabled

the wireless LAN by the

WPS/WLAN

button or the

Network Setting >

Wireless

> General

screen.

5

Disconnect all the cables from your device, and follow the directions in the Quick

Start Guide again.

6

If the problem continues, contact your ISP.

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I cannot access the Internet through a DSL connection.

1

Check if you set the

DSL/WAN

switch (on the back of the ZyXEL Device) to the

DSL

side to have the ZyXEL Device use the DSL port for Internet access.

2

Make sure you configured a proper DSL WAN connection with the Internet account

information provided by your ISP.

3

If you set up a WAN connection using bridging service (all LAN ports and WLAN

BSSs are bridged to one WAN connection), make sure you turn off the DHCP

feature in the

Home Networking

screen to have the clients get WAN IP

addresses directly from your ISP’s DHCP server.

I cannot access the Internet through an Ethernet WAN connection.

1

Check if you set the

DSL/WAN

switch (on the back of the ZyXEL Device) to the

WAN

side to have the ZyXEL Device use the Ethernet WAN port for Internet

access.

2

Make sure you connect the Ethernet WAN port to a DSL modem or router in your

network.

3

Make sure you configured a proper Ethernet WAN connection with the Internet

account information provided by your ISP.

4

If you set up a WAN connection using bridging service (all LAN ports and WLAN

BSSs are bridged to one WAN connection), make sure you turn off the DHCP

feature in the

Home Networking

screen to have the clients get WAN IP

addresses directly from your ISP’s DHCP server.

I cannot connect to the Internet using a second DSL connection.

ADSL and VDSL connections cannot work at the same time. You can only use one

type of DSL connection, either ADSL or VDSL connection at one time.

I cannot create multiple connections of the same type.

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