ZyWALL User's Guide

Chapter 45 Troubleshooting
ZyWALL 2 Plus User’s Guide
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The username and password apply to PPPoE and PPPoA encapsulation only. Make sure
that you have entered the correct Service Type, User Name and Password (be sure to
use the correct casing). Refer to the WAN setup chapter (web configurator or SMT).
2 Disconnect all the cables from your device, and follow the directions in the Quick Start
Guide again.
3 If the problem continues, contact your ISP.
V 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 1.5 on page 49.
2 Make sure you entered your ISP account information correctly in the wizard, WAN
screen or SMT menu. 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 Disconnect all the cables from your device, and follow the directions in the Quick Start
Guide again.
5 If the problem continues, contact your ISP.
V I cannot access the Internet anymore. I had access to the Internet (with the
ZyWALL), but my Internet connection is not available anymore.
1 Check the hardware connections, and make sure the LEDs are behaving as expected. See
the Quick Start Guide and Section 1.5 on page 49.
2 Check the schedule rules. Refer to Chapter 44 on page 599 (SMT).
3 If you use PPPoA or PPPoE encapsulation, check the idle time-out setting. Refer to the
Chapter 8 on page 151 (web configurator) or Chapter 31 on page 497 (SMT).
4 Reboot the ZyWALL.
5 If the problem continues, contact your ISP.
V The Internet connection is slow or intermittent.
1 There might be a lot of traffic on the network. Look at the LEDs, and check Section 1.5
on page 49. If the ZyWALL is sending or receiving a lot of information, try closing some
programs that use the Internet, especially peer-to-peer applications.
2 Check the signal strength. If the signal strength is low, try moving the ZyWALL closer
to the AP if possible, and look around to see if there are any devices that might be