PLANET IGS-10020HPT User Manual
Page 354
User’s Manual of IGS-10020PT / IGS-10020HPT
354
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.