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CHAPTER 12: SNMP
12.3.2 STATUS
This page provides an overview of RMON Statistics entries. Each page shows up to 99 entries from the Statistics table, default is 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 Statistics table. The first displayed will be the one with the lowest ID found in the Statistics table.
The “Start from Control Index” allows the user to select the starting point in the Statistics table. Clicking the Refresh button will
update the displayed table starting from that or the next closest Statistics table match.
The Next Entry 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 First Entry button to start over.
WEB INTERFACE
To display a RMON Statistics Status in the web interface:
1. Click Security, RMON, Statistics and Status.
2. Specify the Port you want to check.
3. Check “Auto-refresh.”
4. Click “Refresh” to refresh the port detailed statistics.
FIGURE 12-8. RMON STATISTICS STATUS
PARAMETER DESCRIPTION
ID: Indicates the index of Statistics entry.
Data Source(if Index): The port ID to be monitored.
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).
Under-size: The total number of packets received that were less than 64 octets.
Over-size: The total number of packets received that were longer than 1518 octets.
Frag.: The number of frames with size less than 64 octets received with invalid CRC.
