Wireless Lan Troubleshooting - ZyXEL Communications P870HNU-51B User Manual

Chapter 23 Troubleshooting
The Internet connection is slow or intermittent.
There might be a lot of traffic on the network. Look at the LEDs, and check
1
If the Device 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 your computer closer to the
2
Device if 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).
Turn the Device off and on.
3
If the problem continues, contact the network administrator or vendor, or try one of the advanced
4
suggestions.
Advanced Suggestions
• 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.
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.
Your layer-2 interface must be in VLAN MUX Mode to create multiple WAN services for each
connection.

23.4 Wireless LAN Troubleshooting

I cannot access the Device or ping any computer from the WLAN (wireless AP or router).
Make sure the wireless LAN is enabled on the Device.
1
Make sure the wireless adapter on the wireless station is working properly.
2
Make sure the wireless adapter installed on your computer is IEEE 802.11 compatible and supports
3
the same wireless standard as the Device.
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Section 1.7 on page 23.
P-870HNU-51b User's Guide