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CheetahSwitch Workgroup-4508
RMON Statistics
RMON Statistics display key statistics for each port or media module from RMON
group 1. (RMON groups 2, 3 and 9 can only be accessed using SNMP
management software such as AccView.) The following screen displays overall
statistics on traffic passing through each port. RMON statistics provide access to a
broad range of statistics, including a total count of different frame types passing
through each port. Values displayed have been accumulated since the last system
reboot.
Parameter Description
Drop Events The total number of events in which packets were dropped due to lack
of resources.
Received Bytes Total number of bytes of data received on the network. This statistic
can be used as a reasonable indication of Ethernet utilization.
Received Frames The total number of frames (bad, broadcast and multicast) received.
Broadcast Frames The total number of good frames received that were directed to the
broadcast address. Note that this does not include multicast packets.
Multicast Frames The total number of good frames received that were directed to this
multicast address.
CRC/Alignment Errors For 10Mbps ports, the counter records CRC/alignment errors (FCS or
alignment errors). For 100Mbps ports, the counter records the sum of
CRC/alignment errors and code errors (frame received with rxerror
signal).
Undersize Frames The total number of frames received that were less than 64 octets long
(excluding framing bits, but including FCS octets) and were otherwise
well formed.
Oversize Frames The total number of frames received that were longer than 1518 octets
(excluding framing bits, but including FCS octets) and were otherwise
well formed.
Fragments The total number of frames received that were less than 64 octets in
length (excluding framing bits, but including FCS octets) and had
either an FCS or alignment error.