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Management Guide
2-35
Parameter Description
Carrier Sense Errors
1
The number of times that the carrier sense condition was lost or
never asserted when attempting to transmit a frame.
Frames Too Long The number of frames received that exceed the maximum permitted
frame size.
Internal Mac Receive Errors
1
The number of frames for which reception failed due to an internal
MAC sublayer receive error.
1: The reported values will always be zero because these statistics are not supported by the internal
chip set.
Displaying RMON Statistics
Use the RMON Statistics screen to display RMON Group 1 statistics for each
port. (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 provides 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.
CheetahSwitch Workgroup - 4508
RMON Statistics : Port 1
Drop Events : 0 Jabbers : 0
Received Bytes : 0 Collisions : 0
Received Frames : 0 64 Byte Frames : 0
Broadcast Frames : 0 65-127 Byte Frames : 0
Multicast Frames : 0 128-255 Byte Frames : 0
CRC/Alignment Errors : 0 256-511 Byte Frames : 0
Undersize Frames : 0 512-1023 Byte Frames : 0
Oversize Frames : 0 1024-1518 Byte Frames : 0
Fragments : 0
[Refresh Statistics] [Reset Counters]
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Parameter Description
Drop Events The total number of events in which packets were dropped due to lack of
resources.
Receive Bytes Total number of data bytes 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 1000Mbps ports, the counter records the sum of CRC/alignment errors
and code errors (frame received with rxerror signal).