ECIS4500 series Web Management Guide R02

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2.4.42 History
This page provides an overview of RMON History entries. Each page shows up to 99 entries from
the History table, default being 20, selected through the "entries per page" input field. When first visited,
the web page will show the first 20 entries from the beginning of the History table. The first displayed will
be the one with the lowest History Index and Sample Index found in the History table.
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.
CRCErrors
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.
Utilization
The best estimate of the mean physical layer network utilization on this interface