User's Manual

SettingȱupȱtheȱServerȱConsoleȱ
SpectraGuard
®
ȱEnterpriseȱInstallationȱGuideȱ
50ȱ
ȱ
Figure 77. Channel Frequency Table
¾ ChannelsȱtoȱMonitor:ȱSpecifiesȱtheȱchannelsȱtoȱbeȱusedȱbyȱSensorsȱtoȱmonitorȱWLANȱtraffic.ȱ
SelectȱtheȱcheckboxȱSelectȱAllȱStandardȱChannelsȱtoȱselectȱaȱsupersetȱofȱallȱtheȱchannels.ȱForȱ802.11a,ȱtheȱ
standardȱsetsȱofȱchannelsȱareȱ184ȱȱ216ȱandȱ34ȱȬȱ165.ȱByȱdefault,ȱthisȱcheckboxȱisȱselected.
ȱ
SelectȱtheȱcheckboxȱSelectȱAllȱAllowedȱChannelsȱtoȱselectȱallȱtheȱallowedȱchannelsȱinȱtheȱselectedȱoperatingȱ
region.ȱByȱdefault,ȱthisȱcheckboxȱisȱselected.ȱ
SelectȱtheȱcheckboxȱAdditionally,ȱselectȱintermediateȱchannelsȱforȱ802.11ȱaȱonly
ȱtoȱselectȱtheȱchannelsȱ
betweenȱtheȱallowedȱchannelsȱthatȱareȱnonȬallowedȱinȱtheȱselectedȱoperatingȱregion.ȱSelectingȱtheȱoptionȱ
helpsȱtheȱsystemȱdetectȱdevicesȱoperatingȱonȱillegalȱchannels.ȱForȱ802.11a,ȱtheȱintermediateȱchannelsȱareȱ185,ȱ
186,ȱ187,ȱ35,ȱ37,ȱandȱsoȱon.ȱByȱdefault,ȱthisȱcheckboxȱisȱdeselected.ȱ
¾ Turbo
ȱMode:ȱCertainȱAtherosȱChipsetȱbasedȱdevicesȱuseȱwiderȱfrequencyȱbandsȱonȱcertainȱchannelsȱinȱ802.11ȱ
b/gȱandȱ802.11aȱbandȱofȱchannels.ȱTheȱsystemȱisȱcapableȱofȱmonitoringȱchannelsȱthatȱsupportȱTurboȱModeȱofȱ
operationȱandȱdetectingȱanyȱunauthorizedȱcommunicationȱonȱtheseȱchannels.ȱYouȱcanȱselectȱspecificȱorȱallȱ
channelsȱtoȱ
monitorȱwirelessȱactivityȱonȱTurboȱchannels.ȱThereȱareȱtenȱTurboȱchannelsȱinȱaȬmode.ȱTheseȱchannelsȱ
areȱ40,ȱ42,ȱ48,ȱ50,ȱ56,ȱ58,ȱ152,ȱ153,ȱ160,ȱandȱ161.ȱThereȱisȱonlyȱoneȱTurboȱchannelȱinȱb/gȬmodeȱi.e.ȱ6.ȱ
¾ ChannelsȱtoȱDefend:ȱSpecifiesȱtheȱchannelsȱtoȱbeȱusedȱbyȱSensors
ȱtoȱdefendȱWLANȱtrafficȱtoȱprotectȱyourȱ
networkȱagainstȱvariousȱWLANȱthreats.ȱ
Note:ȱItȱisȱmandatoryȱthatȱchannelsȱselectedȱforȱdefendingȱbeȱselectedȱforȱscanning.ȱIfȱaȱchannelȱisȱselectedȱforȱdefendingȱandȱisȱnotȱalreadyȱ
selectedȱforȱscanning,ȱtheȱsystemȱautomaticallyȱselectsȱthatȱchannelȱforȱscanningȱasȱwell.ȱIfȱyouȱdeselectȱaȱchannelȱfromȱChannelsȱtoȱ
Monitor,ȱthenȱthisȱchannelȱisȱalsoȱdeselectedȱfromȱChannelsȱtoȱDefendȱsection.ȱ
AntennaȱPortȱAssignmentȱ
Antennaȱconnectivityȱsettingȱisȱanȱadvancedȱsettingȱandȱshouldȱbeȱusedȱwithȱutmostȱcare.ȱThisȱsettingȱallowsȱyouȱtoȱprovideȱ