Zyxel P8701T Router Manual PDF (Setup & Configuration Guide)

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Basic Home Station VDSL2 P8701T User’s Guide

221

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22

Reboot

22.1

Restart Using the Web Configurator

Click

Wireless network > Classic configuration > Management > Reboot

to open the

following screen. Use this screen to restart the .

Figure 101

Reboot

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23

Troubleshooting

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

•

VDSL Router Access and Login

•

Internet Access

•

Wireless Internet Access

•

USB Device Connection

•

UPnP

23.1

Power, Hardware Connections, and LEDs

The VDSL Router does not turn on. None of the LEDs turn on.

1

Make sure the VDSL Router is turned on.

2

Make sure you are using the power adaptor or cord included with the VDSL Router.

3

Make sure the power adaptor or cord is connected to the VDSL Router and plugged in to an

appropriate power source. Make sure the power source is turned on.

4

Turn the VDSL Router off and on.

5

If the problem continues, contact the vendor.

One of the LEDs does not behave as expected.

1

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

Section 1.4 on page 13

.

2

Check the hardware connections.

3

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

4

Turn the VDSL Router off and on.

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224

5

If the problem continues, contact the vendor.

23.2

VDSL Router Access and Login

I forgot the IP address for the VDSL Router.

1

The default LAN 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 VDSL

Router 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 VDSL Router (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 1.5 on page

15

.

I forgot the password.

1

See the back sticker for the default admin password.

2

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

Section 1.5 on page

15

.

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 5.2 on page 104

), 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 VDSL Router.

2

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

Section

1.4 on page 13

.

3

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

enabled. See

Appendix C on page 163

.

4

If it is possible to log in from another interface, check the service control settings for HTTP and

HTTPS (

Maintenance > Remote MGMT

).

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225

5

Reset the device to its factory defaults, and try to access the VDSL Router with the default IP

address. See

Section 1.5 on page 15

.

6

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

suggestions.

Advanced Suggestions

•

Make sure you have logged out of any earlier management sessions using the same user account

even if they were through a different interface or using a different browser.

•

Try to access the VDSL Router using another service, such as Telnet. If you can access the VDSL

Router, check the remote management settings and firewall rules to find out why the VDSL

Router does not respond to HTTP.

I can see the

Login

screen, but I cannot log in to the VDSL Router.

1

Make sure you have entered the password correctly. The default admin password is

1234

. The field

is 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 VDSL Router.

Log out of the VDSL Router in the other session, or ask the person who is logged in to log out.

3

Turn the VDSL Router off and on.

4

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

Section 23.1 on page

223

.

I cannot Telnet to the VDSL Router.

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 software.

See the troubleshooting suggestions for

I cannot see or access the Login screen in the web

configurator.

Ignore the suggestions about your browser.

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