Configuring RMON with the Java Device Manager 105RMON History screen fieldsField DescriptionSampleIndex Indicates the sample number. As history samples are taken,they are assigned greater sample numbers.Utilization Estimates the percentage of a link’s capacity that was usedduring the sampling interval.Octets The number of octets received on the link during the samplingperiod.Pkts The number of packets received on the link during the samplingperiod.BroadcastPkts The number of packets received on the link during the samplinginterval that destined for the packet address.MulticastPkts The number of packets received on the link during the samplinginterval that are destined for the multicast address. This doesnot include the broadcast packets.DropEvents The number of received packets that were dropped because ofsystem resource constraints.CRCAlignErrors The number of packets received during a sampling interval thatwere between 64 and 1518 octets long. This length includedFrame Check Sequence (FCS) octets but not framing bits. Thepackets had a bad FCS with either an integral number of octets(FCS Error), or a non-integral number of octets (Alignment Error).UndersizePkts The number of packets received during the sampling intervalwere less than 64 octets long (including FCS octets, but notframing bits.OversizePkts The number of packets received during the sampling intervalwere longer than 1518 octets (including FCS octets, but notframing bits, and were otherwise well formed.Fragments The number of packets received during the sampling intervalwere less than 64 octets long (including FCS octets, but notframing bits. The packets had a bad FCS with either an integralnumber of octects (FCS Error), or a non-integral number ofoctets (Alignment Error).Collisions The best estimate of the number of collisions on an Ethernetsegment during a sampling interval.Enabling ethernet statistics gatheringTo gather ethernet statistics:Step Action1 Open the RmonControl screen by selecting Serviceability >RMON > Control from the menu.Nortel Ethernet Routing Switch 5500 SeriesConfiguration - System MonitoringNN47200-505 03.01 Standard5.1 27 August 2007Copyright © 2005 - 2007, Nortel Networks.