Viewing RMON history statistics

Use the following procedure to display Rmon History statistics.


Step Action

1

Open the RmonControl window by selecting Serviceability, RMON, Control from the menu.

2

Select a port in the RMON History tab.

3

Click Graph.

4

The RMON History window opens for the selected port.


--End--

Job aid

The following table describes the RMON History window fields.

Field Description
SampleIndex 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 used during the sampling interval.
Octets The number of octets received on the link during the sampling period.
Pkts The number of packets received on the link during the sampling period.
BroadcastPkts The number of packets received on the link during the sampling interval that were destined for the broadcast address.
MulticastPkts The number of packets received on the link during the sampling interval that are destined for the multicast address. This does not include the broadcast packets.
DropEvents The number of received packets that were dropped because of system resource constraints.
CRCAlignErrors The number of packets received during a sampling interval that were between 64 and 1518 octets long. This length included Frame Check Sequence (FCS) octets but not framing bits. The packets 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 interval were less than 64 octets long (including FCS octets, but not framing bits.
OversizePkts The number of packets received during the sampling interval were longer than 1518 octets (including FCS octets, but not framing bits, and were otherwise well formed.
Fragments The number of packets received during the sampling interval were less than 64 octets long (including FCS octets, but not framing bits. The packets had a bad FCS with either an integral number of octects (FCS Error), or a non-integral number of octets (Alignment Error).
Collisions The best estimate of the number of collisions on an Ethernet segment during a sampling interval.