Show Controllers Lre Link Monitor - Cisco Catalyst 2950 Command Reference Manual

show controllers lre link monitor

show controllers lre link monitor
Use the show controllers lre link monitor privileged EXEC command to display Long-Reach Ethernet
(LRE) link monitor information.
This command is available only on Catalyst 2950 LRE switches.
Syntax Description
errors
parameters
statistics
local
remote
interface-id
| begin
| exclude
| include
expression
Command Modes
Privileged EXEC
Command History Release
12.1(11)YJ
Usage Guidelines The link monitor process collects error information at 1-minute intervals for 15 minutes. After 15
minutes, the data is analyzed and stored before starting a new collection sequence. Up to 2 hours of link
monitor data can be shown.
Local monitoring collects data from the LRE switch. Remote monitoring collects data from attached
CPE device.
The Time heading in the show controllers lre link monitor errors command output shows the
timestamp for the last collection sequence. The RS error count shows the cumulative error count from
the last reading. Alignment errors, frame check sequence (FCS) errors, receive errors, and oversize
errors are the Ethernet statistics collected either at the switch or at the CPE device.
The Time heading in the show controllers lre link monitor parameters command output shows the
timestamp for the last collection sequence. The signal-to-noise (SNR) error counter, shown under the
SNR Err heading, increments when the SNR value read from the chipset falls below the theoretical SNR
added to the threshold.
Catalyst 2950 and Catalyst 2955 Switch Command Reference
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show controllers lre monitor {errors | parameters | statistics} {local [interface-id] | remote
[interface-id]} [ | {begin | exclude | include} expression]
Display the LRE Reed-Solomon (RS) errors and Ethernet errors
Display the LRE operating parameter data collected by the link monitor.
Display the LRE link monitor statistics.
(Optional) Display data from the LRE switch controller.
(Optional) Display data from the customer premises equipment (CPE) device.
(Optional) ID of the switch LRE port.
(Optional) Display begins with the line that matches the specified expression.
(Optional) Display excludes lines that match the specified expression.
(Optional) Display includes lines that match the specified expression.
Expression in the output to use as a reference point.
Modification
This command was introduced.
Chapter 2 Catalyst 2950 and 2955 Cisco IOS Commands
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