Dell PowerConnect 3424 Command Line Interface (CLI) Guide (.htm) - Page 271

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Multicast Util CRC Align Undersize Oversize Fragments Jabbers Dropped Collisions The number of good packets received during this sampling interval that were directed to a multicast address. This number does not include packets addressed to the broadcast address. The best estimate of the mean physical layer network utilization on this interface during this sampling interval, in hundredths of a percent. The number of packets received during this sampling interval that had a length (excluding framing bits but including FCS octets) 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). The number of packets received during this sampling interval that were less than 64 octets long (excluding framing bits but including FCS octets) and were otherwise well formed. The number of packets received during this sampling interval that were longer than 1518 octets (excluding framing bits but including FCS octets) but were otherwise well formed. The total number of packets received during this sampling interval that were less than 64 octets in length (excluding framing bits but including FCS octets) 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 (AlignmentError). It is normal for etherHistoryFragments to increment because it counts both runts (which are normal occurrences due to collisions) and noise hits. The number of packets received during this sampling interval that were longer than 1518 octets (excluding framing bits but including FCS octets), and 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). The total number of events in which packets were dropped by the probe due to lack of resources during this sampling interval. This number is not necessarily the number of packets dropped, it is just the number of times this condition has been detected. The best estimate of the total number of collisions on this Ethernet segment during this sampling interval. rmon alarm The rmon alarm Global Configuration mode command configures alarm conditions. To remove an alarm, use the no form of this command. DELL CONFIDENTIAL - PRELIMINARY 9/13/06 - FOR PROOF ONLY RMON Commands 271

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RMON Commands
271
DELL CONFIDENTIAL – PRELIMINARY 9/13/06 – FOR PROOF ONLY
rm
on ala
rm
The
rmon alarm
Global Configuration mode command configures alarm conditions. To remove
an alarm, use the
no
form of this command.
Multicast
The number of good packets received during this sampling interval that were directed
to a multicast address. This number does not include packets addressed to the
broadcast address.
Util
The best estimate of the mean physical layer network utilization on this interface
during this sampling interval, in hundredths of a percent.
CRC Align
The number of packets received during this sampling interval that had a length
(excluding framing bits but including FCS octets) 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).
Undersize
The number of packets received during this sampling interval that were less than 64
octets long (excluding framing bits but including FCS octets) and were otherwise well
formed.
Oversize
The number of packets received during this sampling interval that were longer than
1518 octets (excluding framing bits but including FCS octets) but were otherwise well
formed.
Fragments
The total number of packets received during this sampling interval that were less than
64 octets in length (excluding framing bits but including FCS octets) 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 (AlignmentError). It is normal for
etherHistoryFragments to increment because it counts both runts (which are normal
occurrences due to collisions) and noise hits.
Jabbers
The number of packets received during this sampling interval that were longer than
1518 octets (excluding framing bits but including FCS octets), and 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).
Dropped
The total number of events in which packets were dropped by the probe due to lack of
resources during this sampling interval. This number is not necessarily the number of
packets dropped, it is just the number of times this condition has been detected.
Collisions
The best estimate of the total number of collisions on this Ethernet segment during
this sampling interval.