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X-Trax VATA2020 User Manual
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Contents
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In chart 1,there is a layer 2 switch without setting VLAN. Any broadcast frame will betransmitted to the other ports except the send port. For example, a broadcastinformation is sent out from port 1 then transmitted to port 2,3and 4.In chart 2, red and blue indicate two different VLANs in the switch, and port 1 andport 2 belong to red VLAN, port 3 and port 4 belong to blue VLAN. If a broadcastframe is sent out from port 1, switch will transmit it to port 2, the other port in thered VLAN and not transmit it to port3 and port 4 in blue VLAN. By this means,VLAN divide the broadcast domain via restricting the range of broadcast frametransmit ion.Note: chart 2 use red and blue to identify the different VLAN, but in practice, VLANuses different VLAN IDs to identify.QoS ConfigurationField name explanationVLAN Enable Before select it to enable VLAN, you need enableBridge mode in LAN config.VLAN ID CheckEnableEnable VLAN ID check by selecting it. After enableVLAN ID check, if VLAN ID of a data package is not thesame with the gateway or a data package do not haveVLAN ID, the data package will be discarded.Voice/Data VLANdifferentiatedAfter enable VLAN, system will set packets withdifferent type of VLAN ID. Undifferentiated means afterusing VLAN, both VoIP packets and other data packetswill use the voice VLAN ID; tag differentiated meansafter using VLAN, VoIP(signal and voice) packets will |
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