ZyXEL Communications NBG6503 User Manual page 164

If you are trying to access the Internet wirelessly, make sure the wireless settings in the wireless
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client are the same as the settings in the AP.
• Go to Network > Wireless LAN 2.4G > General > WDS and check if the NBG is set to
bridge mode. Select Disable and try to connect to the Internet again.
Disconnect all the cables from your device, and follow the directions in the Quick Start Guide again.
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Go to Maintenance > Sys OP Mode. Check your System Operation Mode setting.
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• Select Router if your device routes traffic between a local network and another network such
as the Internet.
• Select Access Point if your device bridges traffic between clients on the same network.
If the problem continues, contact your ISP.
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I cannot access the Internet anymore. I had access to the Internet (with the NBG), but my
Internet connection is not available anymore.
Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick
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Start Guide and
Reboot the NBG.
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If the problem continues, contact your ISP.
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The Internet connection is slow or intermittent.
There might be a lot of traffic on the network. Look at the LEDs, and check
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If the NBG is sending or receiving a lot of information, try closing some programs that use the
Internet, especially peer-to-peer applications.
Check the signal strength. If the signal strength is low, try moving the NBG closer to the AP if
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possible, and look around to see if there are any devices that might be interfering with the wireless
network (for example, microwaves, other wireless networks, and so on).
Reboot the NBG.
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If the problem continues, contact the network administrator or vendor, or try one of the advanced
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suggestions.
Advanced Suggestions
• Check the settings for bandwidth management. If it is disabled, you might consider activating it.
If it is enabled, you might consider changing the allocations.
• Check the settings for QoS. If it is disabled, you might consider activating it. If it is enabled, you
might consider raising or lowering the priority for some applications.
Chapter 23 Troubleshooting
Section 1.5 on page 17.
NBG6503 User's Guide
164
Section 1.5 on page 17.