Viewing Chassis Information2-25The SmartSwitch 2000 Chassis ViewUnknown Protocol(Received only)Displays the number of packets received which were discarded because they werecreated under an unknown or unsupported protocol.Packets Received(Received only)Displays the number of packets received by the selected interface.Transmit Queue Size(Transmit only)Displays the number of packets currently queued for transmission from thisinterface. The amount of device memory devoted to buffer space, and the trafficlevel on the target network, determine how large the output packet queue cangrow before the SmartSwitch 2000 device will begin to discard packets.Packets Transmitted(Transmit only)Displays the number of packets transmitted by this interface.Making Sense of Detail StatisticsThe statistics available in this window can give you an idea of how an interface isperforming; by using the statistics in a few simple calculations, it’s also possible toget a sense of an interface’s activity level:To calculate the percentage of input errors:Received Errors /Packets ReceivedTo calculate the percentage of output errors:Transmitted Errors /Packets TransmittedTo calculate the total number of inbound and outbound discards:Received Discards + Transmitted DiscardsTo calculate the percentage of inbound packets that were discarded:Received Discards /Packets ReceivedTo calculate the percentage of outbound packets that were discarded:Transmit Discards /Packets TransmittedNOTEUnlike the Interface Detail window, which this window replaces, the Interface Statisticswindow does not offer Disable or Test options. These options are available in theInterface Group window, which can be accessed via the System Group window (selectSystem Group from the Device menu). Refer to your Generic SNMP User’s Guidefor further information on the System Group and Interface Group windows.
