User Guide

Chapter 5
Advanced Configuration
30
WebView Switches
Statistics > RMON History
The RMON History screen contains information about
samples of data taken from ports. For example, the samples
may include interface definitions or polling periods.
Statistics > RMON History
The RMON History Control screen is divided into RMON
History and Log Table.
Source Interface Displays the interface from which the
history samples were taken. The possible field values are:
Port • Specifies the port from which the RMON
information was taken.
LAG • Specifies the port from which the RMON
information was taken.
Sampling Interval Indicates (in seconds) the time
that samplings are taken from the ports. The field range
is 1–3600. The default is 1800 seconds (equal to 30
minutes).
Max No of Samples to Keep. Indicates the number of
samples to save.
Owner Displays the RMON station or user that
requested the RMON information. The field range is 0–20
characters.
The Add to List button adds the configured RMON
sampling to the Log Table at the bottom of the screen.
Log Table
Source Interface Displays the interface from which the
history samples were taken.
Sampling Interval Indicates the time in seconds that
samplings are taken from the port.
Sampling Requested Displays the number of samples to
be saved. The field range is 1–65,535. The default value is
50.
Current Number of Samples Displays the current
number of samples taken.
View History Table button This button opens the RMON
History screen.
RMON History
The RMON History screen contains interface-specific
statistical network samplings. Each table entry represents
all counter values compiled during a single sample.
RMON History Table
History Entry No Displays the history table entry
number.
Owner Displays the RMON station or user that requested
the RMON information. The field range is 0–20 characters.
Sample No Indicates the sample number from which the
statistics were taken.
Drop Events Displays the number of dropped events that
have occurred on the interface since the device was last
refreshed. This option is not available on the SRW224G4
and SRW248G4.
Received Bytes (Octets) Displays the number of octets
received on the interface since the device was last
refreshed. This number includes bad packets and FCS
octets, but excludes framing bits.
Received Packets Displays the number of packets
received on the interface since the device was last
refreshed, including bad packets, Multicast and Broadcast
packets.
Broadcast Packets Displays the number of good
Broadcast packets received on the interface since the
device was last refreshed. This number does not include
Multicast packets.
Multicast Packets Displays the number of good Multicast
packets received on the interface since the device was last
refreshed.
CRC Align Errors Displays the number of CRC and Align
errors that have occurred on the interface since the device
was last refreshed.