PLANET IGS-10020HPT - Manual (Page 351)

User’s Manual of IGS-10020HPT
Figure 4-18-6: RMON history overview page screenshot
The page includes the following fields:
Object Description
 History Index Indicates the index of History control entry.
 Sample Index Indicates the index of the data entry associated with the control entry
 Sample Start The total number of events in which packets were dropped by the probe due to
lack of resources.
 Drops The total number of events in which packets were dropped by the probe due to
lack of resources.
 Octets The total number of octets of data (including those in bad packets) received on
the network.
 Pkts The total number of packets (including bad packets, broadcast packets, and
multicast packets) received.
 Broadcast The total number of good packets received that were directed to the broadcast
address.
 Multicast The total number of good packets received that were directed to a multicast
address.
 CRCErrors The total number of packets received that had a length (excluding framing bits,
but including FCS octets) of between 64 and 1518 octets.
 Undersize The total number of packets received that were less than 64 octets.
 Oversize The total number of packets received that were longer than 1518 octets.
 Frag. The number of frames which size is less than 64 octets received with invalid
CRC.
 Jabb. The number of frames which size is larger than 64 octets received with invalid
CRC.
 Coll. The best estimate of the total number of collisions on this Ethernet segment.
 Utilization The best estimate of the mean physical layer network utilization on this interface
during this sampling interval, in hundredths of a percent.
351