ET42202M-S-PD
L2+ Managed 20-port 100Base-FX/1000Base-X SFP + 4-port 10/100/1000Base-T or
100/1000Base-FX SFP Combo Optical Ethernet Switch with AC + DC inputs
www.ot-systems.com Ver.1.0
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3-5.4.1.2 History
This section 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.
The "Start from History Index and Sample Index" allows the user to select the starting point in
the History table.
The "Start from History Index and Sample Index" allows the user to select the starting point in
the History table. Clicking the button will update the displayed table starting from that or the
next closest History table match.
The will use the last entry of the currently displayed entry as a basis for the next lookup. When
the end is reached the text "No more entries" is shown in the displayed table. Use the button to
start over.
Web Interface
To configure a RMON history Configuration in the web interface:
1. Specify Port which wants to check.
2. Click Security, Switch, RMON ,then History.
3. Checked “Auto-refresh”.
4. Click “ Refresh“ to refresh the port detailed statistics or clear all information when you
click “ Clear”.
Figure 3-5.4.1.2: RMON History Overview
Parameter 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