Planet IGS-10020HPT-U - RMON History Status

User’s Manual of IGS-10020HPT-U
98
4.2.3.6 RMON History Status
This page provides an detail of RMON history entries; screen in Figure 4-2-3-6 appears.
Figure 4-2-3-6: 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 whose size is less than 64 octets received with invalid CRC.
•
Jabb.
The number of frames whose size is larger than 64 octets received with invalid CRC.
• Coll. The best estimate of the total number of collisions in 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.
Buttons
: Click to refresh the page immediately.
Auto-refresh : Check this box to refresh the page automatically. Automatic refresh occurs every 3 seconds.
:
Updates the table, starting from the first entry in the History table, i.e., the entry with the lowest History
Index and Sample Index
: Updates the table, starting with the entry after the last entry currently displayed.