D-Link DFL-CPG310 Product Manual - Page 199
Troubleshooting Wireless Connectivity, I cannot connect to the WLAN from a wireless station. What s
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Troubleshooting Wireless Connectivity Troubleshooting Wireless Connectivity I cannot connect to the WLAN from a wireless station. What should I do? • Check that the SSID configured on the station matches the NetDefend firewall's SSID. The SSID is case-sensitive. • Check that the encryption settings configured on the station (encryption mode and keys) match the NetDefend firewall's encryption settings. • If MAC filtering is enabled, verify that the MAC address of all stations is listed in the Network Objects page (see Viewing and Deleting Network Objects on page 138). How do I test wireless reception? • Look at the Wireless page, and check for excessive errors or dropped packets. • Look at the Active Computers page, to see information for specific wireless stations, such as the number of transmission errors, and the current reception power of each station. • On the wireless station, open a command window and type ping my.firewall. If you see a large number of dropped packets, you are experiencing poor reception. Wireless reception is poor. What should I do? • Adjust the angle of the antennas, until the reception improves. The antennas radiate horizontally in all directions. • If both antennas are connected to the NetDefend firewall, check that the Antenna Selection parameter in the WLAN's advanced settings is set to Automatic (see Manually Configuring a WLAN on page 165). • Relocate the NetDefend firewall to a place with better reception, and avoid obstructions, such as walls and electrical equipment. For example, try mounting the appliance in a high place with a direct line of sight to the wireless stations. • Check for interference with nearby electrical equipment, such as microwave ovens and cordless or cellular phones. Chapter 7: Configuring a Wireless Network 183