Link Monitor Threshold Snr - Cisco Catalyst 2950 Command Reference Manual
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- Configuration manual (710 pages) ,
- Software configuration manual (674 pages) ,
- Command reference manual (408 pages)
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link monitor threshold snr
link monitor threshold snr
Use the link monitor threshold snr interface configuration command to establish threshold values for
signal-to-noise ratio (SNR) errors. Use the no form of this command to return to the default setting.
This command is available only on Catalyst 2950 Long-Reach Ethernet (LRE) switches.
Syntax Description
downstream value
upstream value
Defaults
The default is 2 dB.
Command Modes
Interface configuration
Command History
Release
12.1(11)YJ
Usage Guidelines
The default theoretical SNR value added to the threshold value is compared to the value in the LRE
chipset.
Examples
This example shows how to configure the SNR threshold as 6 dB downstream and 4 dB upstream:
Switch# configure terminal
Switch(config)# interface longreachethernet0/1
Switch(config-if)# link monitor threshold snr downstream 6
Switch(config-if)# link monitor threshold snr upstream 4
Related Commands
Command
clear controllers lre link monitor
link monitor
link monitor logging
link monitor threshold rserr
show controllers lre link monitor
Catalyst 2950 and Catalyst 2955 Switch Command Reference
2-170
link monitor threshold snr {downstream value | upstream value}
no link monitor threshold snr {downstream value | upstream value}
Value of the SNR, measured in decibels (dB), at the remote end of the
link. The range is 0 to 10.
Value of the SNR, measured in dB, at the local end of the link. The range
is 0 to 10.
Modification
This command was introduced.
Chapter 2
Description
Deletes LRE link monitor data.
Enables the LRE link monitor on a port.
Enables link monitor event logging per port.
Sets a Reed-Solomon error threshold for the LRE link monitor.
Displays the LRE link monitor information.
Catalyst 2950 and 2955 Cisco IOS Commands
OL-10102-01
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