Dell PowerConnect 3348 User's Guide - Page 315

Oversized Packets, Fragments, Jabbers, Collisions, Utilization, RMON History Table, History Table No.

Page 315 highlights

• Oversized Packets-Indicates the number of packets received that are more than 1518 octets long during the sampling session. • Fragments-Indicates the number of packets received that are less than 64 octets long and have a FCS during the sampling session. • Jabbers-Indicates the number of packets received that are more than 1518 octets long and had a FCS during the sampling session. • Collisions-Estimates the total number of packet collisions that occurred during the sampling session. Collisions are detected when repeater ports detect two or more stations transmitting simultaneously. • Utilization-Estimates the main physical layer network Description on an interface during the session sampling. The value is reflected in percentages with two decimal places. Viewing statistics for a specific history entry: 1 Open the RMON History Table page. 2 Select a history entry in the History Table No. field. The entry statistics display in the RMON History Table. Viewing RMON History Statistics Using the CLI Commands The following table contains the CLI commands for viewing RMON history statistics. CLI Command rmon table-size history entries rmon collection history index [owner ownername] [buckets bucket-number] [interval seconds] show rmon history index {throughput | errors | other} [period hh:mm:ss] Description Configures the maximum number of history table entries. Enables a Remote Monitoring (RMON) MIB history statistics group on an interface. Displays RMON ethernet Statistics history. The following is an example of the CLI commands: Console (config)# rmon table-size history 1000 Console (config)# interface ethernet 1/e8 View ing Statistics 315

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Viewing Statistics
315
Oversized Packets
—Indicates the number of packets received that are more than
1518 octets long during the sampling session.
Fragments
—Indicates the number of packets received that are less than 64 octets long
and have a FCS during the sampling session.
Jabbers
—Indicates the number of packets received that are more than 1518 octets
long and had a FCS during the sampling session.
Collisions
—Estimates the total number of packet collisions that occurred during the
sampling session. Collisions are detected when repeater ports detect two or more
stations transmitting simultaneously.
Utilization
—Estimates the main physical layer network Description on an interface
during the session sampling. The value is reflected in percentages with two decimal
places.
Viewing statistics for a specific history entry:
1
Open the
RMON History Table
page.
2
Select a history entry in the
History Table No.
field. The entry statistics display in the
RMON History Table
.
Viewing RMON History Statistics Using the CLI Commands
The following table contains the CLI commands for viewing RMON history statistics.
The following is an example of the CLI commands:
Console (config)#
rmon table-size history
1000
Console (config)# interface ethernet 1/e8
CLI Command
Description
rmon table-size history
entries
Configures the maximum number
of history table entries.
rmon collection history
index
[
owner
ownername
] [
buckets
bucket-number
] [
interval
seconds
]
Enables a Remote Monitoring
(RMON) MIB history statistics
group on an interface.
show rmon history
index
{
throughput
|
errors | other
}
[
period
hh:mm:ss
]
Displays RMON ethernet Statistics
history.