Wireless Lan Troubleshooting - ZyXEL Communications P-870HN-51B - V1.0 Manual

• 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 or MSC mode to create multiple
WAN serivces for each connection.

25.4 Wireless LAN Troubleshooting

I cannot access the ZyXEL Device or ping any computer from the WLAN (wireless
AP or router).
Make sure the wireless LAN is enabled on the ZyXEL 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
3
compatible and supports the same wireless standard as the ZyXEL Device.
Make sure your computer (with a wireless adapter installed) is within the
4
transmission range of the ZyXEL Device.
Check that both the ZyXEL Device and your wireless station are using the same
5
wireless and wireless security settings.
Make sure traffic between the WLAN and the LAN is not blocked by the firewall on
6
the ZyXEL Device.
Make sure you allow the ZyXEL Device to be remotely accessed through the WLAN
7
interface. Check your remote management settings.
P-870HN-51b User's Guide
Chapter 25 Troubleshooting
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