Chapter 4. Web Configuration & Operation
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CHAPTER 4
WEB OPERATION & CONFIGURATION
4.4.5.4.1.2 RMON History Overview
History Index:
Display Index of History control entry.
Sample Index:
Display Index of the data entry associated with the control entry.
Sample Start:
The time at which this sample started, expressed in seconds since the switch booted up.
Drop:
The total number of dropped packets due to lack of resources.
Octets:
The total number of octets of data received.
Pkts:
The total number of packets (including bad packets, broadcast 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.
CRC Errors:
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 64 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.
4.4.5.4.1.3 RMON Alarm Overview
ID:
Display an alarm control index.
Interval:
Interval in seconds for sampling and comparing the rising and falling threshold.
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