SMC Networks TTTM2400X, TTTM5800X user manual Fragmentation threshold, RTS threshold

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If you are not familiar with these Advanced Wireless settings, please read the help section before attempting to modify these settings.

Fragmentation threshold

Fragmentation Threshold is the maximum length of the frame, beyond which payload must be broken up (fragmented) into two or more frames. Collisions occur more often for long frames because sending them occupies the channel for a longer period of time, increasing the chance that another station will transmit and cause collision. Reducing Fragmentation Threshold results in shorter frames that "busy" the channel for shorter periods, reducing packet error rate and resulting retransmissions. However, shorter frames also increase overhead, degrading maximum possible throughput, so adjusting this parameter means striking a good balance between error rate and throughput.

RTS threshold

RTS Threshold is the frame size above which an RTS/CTS handshake will be performed before attempting to transmit. RTS/CTS ask for permission to transmit to reduce collisions, but adds considerable overhead. Disabling RTS/CTS can reduce overhead and latency in WLANs where all stations are close together, but can increase collisions and degrade performance in WLANs where stations are far apart and unable to sense each other to avoid collisions (aka Hidden Nodes). If you are experiencing excessive collisions, you can try turning RTS/CTS on or (if already on) reduce

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Contents TT5800X/TT2400X Gateway Table of Contents Electronic Emission Notices Statement of ConditionsIntroduction Main Chips Specification DescriptionMechanical Board Spec16dBm ± 2dB @ 54Mbps LED Definition External AC Power Adapter Software SpecificationStandards / Regulatory Compliance EnvironmentalProduct Kit Part Listing System RequirementsHardware Installation Preparation for InstallationWindows Windows 98/MePage Windows XP Page User account Web Configuration InterfaceDevice Information StatusAssociated Wireless Client List WirelessRouting Table RoutingSystem Logs LogsNetwork Traffic Stats StatisticsActive Sessions Wizard BasicWANEthernet Internet Connection SettingsPPPoE client Dhcp clientNetwork Settings LANWirelessDhcp Server Wireless Network Settings Wireless Mode Basic Wireless SettingsSuper Mode Wireless Network Name SsidTransmission rate Mbits/s ModeWireless Security Mode WEP key lengths AuthenticationWPA-Personal WPA-Enterprise WPAWPA WPA ModeCipher Type EAPQuality of Service setup Quality of ServiceEnable Enable Quality of ServiceAutomatic Classification Dynamic FragmentationSave RoutingDestination Port Range MAC Address Filtering Firewall Enable SPI Advanced WirelessEnable DMZ DMZ IP AddressRTS threshold Fragmentation thresholdACK Timeout 802.11d EnableTransmit Power Enable WDSAdministrator Settings AdminRemote Admin Port Enable Remote ManagementRemote Admin Inbound Filter Admin Idle TimeoutSyslog Server IP Address Enable Logging to Syslog ServerSysLog Ping Watchdog destination IP Address Enable Ping WatchdogPing Watchdog System System SettingsFirmware Firmware UpgradeHelp Menu Appendix a Warranty Policy Product Return Policy Appendix B RMA PolicyAppendix C Regulatory Information Unfortunately Teletronics cannot issue credits forStatement of Conditions Day full refund or credit policyFCC Information Electronic Emission NoticesImportant Note TTE Compliance StatementAppendix D Contact Information Appendix E WDS Explained WDS in Chain Configuration WDS in a Star ConfigurationLatest firmware provides Choose Antenna option Appendix F Antenna DiversityAppendix G Troubleshooting Appendix H Glossary Symptom Forgot IP addressPage