Viewing Statistics
Managing RMON
Cisco Small Business 200 Series Smart Switch Administration Guide 22
2
Managing RMON
RMON (Remote Networking Monitoring) enables the switch to proactively monitor
traffic statistics over a given period.
With this feature, you can view the current statistics (since the counter values were
cleared).
Viewing RMON Statistics
The Statistics page
displays detailed information regarding packet sizes and
information regarding physical layer errors. The information displayed is according
to the RMON standard. An oversized packet is defined as an Ethernet frame with
the following criteria:
• Packet length is greater than MRU byte size.
• Collision event has not been detected.
• Late collision event has not been detected.
• Received (Rx) error event has not been detected.
• Packet has a valid CRC.
To view RMON statistics and/or set the refresh rate:
STEP 1 Click Status and Statistics > RMON > Statistics. The Statistics page is
displayed.
STEP 2 Select the Interface for which Ethernet statistics are to be displayed.
STEP 3 Select the Refresh Rate, the time period that passes before the interface
statistics are refreshed.
The statistics are displayed for the selected interface.
• Bytes Received—Number of octets received, including bad packets and
FCS octets, but excluding framing bits.
• Drop Events—Number of packets dropped.
• Packets Received—Number of good packets received, including Multicast
and Broadcast packets.
• Broadcast Packets Received—Number of good Broadcast packets
received. This number does not include Multicast packets.
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