User’s Manual of IGS-20040MT
4.17.6 RMON History Status
This Page provides a detail of RMON history entries; screen in
Figure 4-17-6
appears.
Figure 4-17-6:
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 value of sysUpTime at the start of the interval over which this sample was
measured.
Drop
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.
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, inclusive, but had
either a bad Frame Check Sequence (FCS) with an integral number of octets
(FCS Error) or a bad FCS with a non-integral number of octets (Alignment Error).
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.
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