ZyXEL VMG4927-B50A User Guide - Page 97
Network, Setting > Wireless > Guest WiFi, Network Setting > Wireless > MESH, LABEL,
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Chapter 7 Wireless Table 22 Network Setting > Wireless > Advanced (continued) LABEL DESCRIPTION 802.11 Mode Select 802.11b Only to allow only IEEE 802.11b compliant WLAN devices to associate with the VMG. Select 802.11g Only to allow only IEEE 802.11g compliant WLAN devices to associate with the VMG. Select 802.11n Only to allow only IEEE 802.11n compliant WLAN devices to associate with the VMG. Select 802.11b/g Mixed to allow either IEEE 802.11b or IEEE 802.11g compliant WLAN devices to associate with the VMG. The transmission rate of your VMG might be reduced. RTS/CTS Threshold Select 802.11b/g/n Mixed to allow IEEE 802.11b, IEEE 802.11g or IEEE802.11n compliant WLAN devices to associate with the VMG. The transmission rate of your VMG might be reduced. Data with its frame size larger than this value will perform the RTS (Request To Send)/CTS (Clear To Send) handshake. Fragmentation Threshold Output Power Beacon Interval Enter a value between 0 and 2347. This is the maximum data fragment size that can be sent. Enter a value between 256 and 2346. Set the output power of the VMG. If there is a high density of APs in an area, decrease the output power to reduce interference with other APs. Select one of the following: 20%, 40%, 60%, 80% or 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 50ms to 1000ms. A high value helps save current consumption of the access point. DTIM Interval 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 the network. This value can be set from 1 to 255. 802.11 Protection Enabling this feature can help prevent collisions in mixed-mode networks (networks with both IEEE 802.11b and IEEE 802.11g traffic). Select Auto to have the wireless devices transmit data after a RTS/CTS handshake. This helps improve IEEE 802.11g performance. Select Off to disable 802.11 protection. The transmission rate of your VMG might be reduced in a mixed-mode network. Preamble This field displays Off and is not configurable when you set 802.11 Mode to 802.11b Only. Select a preamble type from the drop-down list box. Choices are Long or Short. See Section 7.8.7 on page 107 for more information. WPS This field is configurable only when you set 802.11 Mode to 802.11b. Select this to enable WPS function for the wireless network. Note: This setting only applies to the main 2.4G and 5G wireless networks. It does not apply to the guest and extra wireless networks configured in the Network Setting > Wireless > Guest WiFi screen. OBSS Coexistence Note: This setting is configurable only when the MESH function is disabled in the Network Setting > Wireless > MESH screen. Select Enable to allow the coexistence of 20 MHz and 40 MHz Overlapping Basic Service Sets (OBSS) in wireless local area networks. Select Disabled to disable this feature. VMG4927-B50A / VMG9827-B50A User's Guide 97