ZyXEL P-663HN-51 User Guide - Page 158
Wireless LAN > Advanced Setup
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Chapter 18 Wireless LAN Table 58 Wireless LAN > Advanced Setup LABEL DESCRIPTION Fragmentation Threshold This is the maximum data fragment size that can be sent. Enter a value between 256 and 2432. RTS Threshold Use CTS/RTS to reduce data collisions on the wireless network if you have wireless clients that are associated with the same AP but out of range of one another. When enabled, a wireless client sends an RTS (Request To Send) and then waits for a CTS (Clear To Send) before it transmits. This stops wireless clients from transmitting packets at the same time (and causing data collisions). DTIM Interval A wireless client sends an RTS for all packets larger than the number (of bytes) that you enter here. Set the RTS equal to or higher than the fragmentation threshold to turn RTS off. Delivery Traffic Indication Message (DTIM) is the time period after which broadcast and multicast packets are transmitted to mobile clients in the Power Saving mode. A high DTIM value can cause clients to lose connectivity with Beacon Interval the network. This value can be set from 1 to 100. When a wirelessly networked device sends a beacon, it includes with it a beacon interval. This specifies the time period before the device sends the beacon again. The interval tells receiving devices on the network how long they can wait in low power mode before waking up to handle the beacon. This value can be set from 20ms to 1000ms. A high value helps save current consumption of the access point. Global Max Clients Specify the maximum number (from 1 to 64) of the wireless stations that may connect to the ZyXEL Device. XPress™ Technology Select this for higher speeds, especially if you have both IEEE 802.11b and IEEE 802.11g wireless clients. The wireless clients do not have to support XPress™ Technology, although the performance enhancement is greater if they do. Afterburner Technology Select this for higher speeds if the wireless clients also support afterburner technology. Transmit Power Set the output power of the ZyXEL Device. If there is a high density of APs in an area, decrease the output power to reduce interference with other APs. WMM (Wi-Fi Multimedia) Use WMM (Wifi MultiMedia) to prioritize services in wireless traffic. Select Auto to automatically prioritize services according to the ToS value in the IP header of packets. Select Enable to prioritize services according to the ZyXEL Device's Quality of Service settings. WMM No Acknowledgement Select Disable to not prioritize services in wireless traffic. When using WMM, you can enable this to have the ZyXEL Device not re-send data if an error occurs. This can increase throughput speed but may also increase errors, especially in an environment with a lot of Radio Frequency (RF) noise. Otherwise leave it disabled. 158 P-663HN-51 User's Guide