Chapter 30 Troubleshooting

30.6 Wireless LAN Troubleshooting

I cannot access the P-2812HNU-51c or ping any computer from the WLAN (wireless AP or router).

1Make sure the wireless LAN is enabled on the P-2812HNU-51c.

2Make sure the wireless adapter on the wireless station is working properly.

3Make sure the wireless adapter installed on your computer is IEEE 802.11 compatible and supports the same wireless standard as the P-2812HNU-51c.

4Make sure your computer (with a wireless adapter installed) is within the transmission range of the P-2812HNU-51c.

5Check that both the P-2812HNU-51c and your wireless station are using the same wireless and wireless security settings.

6Check if MAC Filter is configured to deny wireless access to certain MAC addresses to the P-2812HNU-51c. See Chapter 7 Wireless LAN in the User’s Guide for more information.

I cannot use WDS connection.

1You can use WDS only when WPS is disabled or wireless security is set to “No Security”, “WEP”, “WPA-PSK” or “WPA2-PSK”. The wireless security settings apply to both WDS links and the connections between the P-2812HNU-51c and any wireless clients.

2WDS is only compatible with other ZyXEL Devices of the same model.

30.7UPnP

When using UPnP and the P-2812HNU-51c reboots, my computer cannot detect UPnP and refresh My Network Places > Local Network.

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P-2812HNU-51c User’s Guide