Cisco AP541N Dual-band Single-radio Access Point Administration ...

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4WirelessModifying Advanced SettingsTable 19FieldAdvanced Settings Field DescriptionsDescriptionFragmentationThresholdSpecify a number between 256 and 2,346 to set the framesize threshold in bytes. The fragmentation threshold must beset to an even number within the range.The fragmentation threshold is a way of limiting the size ofpackets (frames) transmitted over the network. If a packetexceeds the fragmentation threshold you set, thefragmentation function is activated and the packet is sent asmultiple 802.11 frames.If the packet being transmitted is equal to or less than thethreshold, fragmentation is not used.Setting the threshold to the largest value (2346 bytes)effectively disables fragmentation. Fragmentation plays norole when Aggregation is enabled.Fragmentation involves more overhead both because of theextra work of dividing up and reassembling of frames itrequires, and because it increases message traffic on thenetwork. However, fragmentation can help improve networkperformance and reliability if properly configured.Sending smaller frames (by using lower fragmentationthreshold) might help with some interference problems; forexample, with microwave ovens.By default, fragmentation is off. We recommend not usingfragmentation unless you suspect that there is wireless radiointerference. The additional headers applied to eachfragment increase the overhead on the network and cangreatly reduce throughput.87 Cisco AP 541N Dual-band Single-radio Access Point Quick Start Guide
WirelessModifying Advanced Settings4Table 19FieldAdvanced Settings Field DescriptionsDescriptionRTS Threshold Specify a Request to Send (RTS) Threshold value between 0and 2347.The RTS threshold indicates the number of octets in anMPDU, below which an RTS/CTS handshake is notperformed.Changing the RTS threshold can help control traffic flowthrough the access point, especially one with a lot of clients.If you specify a low threshold value, RTS packets will be sentmore frequently. This will consume more bandwidth andreduce the throughput of the packet. On the other hand,sending more RTS packets can help the network recoverfrom interference or collisions which might occur on a busynetwork, or on a network experiencing electromagneticinterference.MaximumStationsSpecify the maximum number of stations allowed to accessthis access point at any one time.You can enter a value between 0 and 200.Cisco AP 541N Dual-band Single-radio Access Point Quick Start Guide 88
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ADMINISTRATIONGUIDECisco Small Busi
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ContentsNetwork Interfaces 28Wired
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ContentsNavigating to an Access Poi
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PrefaceTable 1 describes the typogr
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1Getting StartedThe Cisco Access Po
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Getting StartedConnecting the Acces
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Getting StartedTroubleshooting Your
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Getting StartedConfiguring the Acce
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Getting StartedWireless Client Requ
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Getting StartedConfiguring Security
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2StatusThe Status page provides inf
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2Table 3FieldDevice Information Pag
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StatusTraffic Statistics2Figure 7Vi
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StatusAssociated Clients2Associated
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StatusRogue AP Detection2Link Integ
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Page 47 and 48: SetupConfiguring 802.1X Authenticat
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7Figure 33Cluster Information and M
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8Configuration ExamplesThis chapter
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Configuration ExamplesClustering Ac
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ADefault SettingsWhen you first pow
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Default SettingsATable 43UAP Defaul
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BWhere to Go From HereCisco provide
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