lnm remove
To enable link noise monitoring and specify thresholds for noise errors on T1/E1 links that are used to signal
the noise attribute to the Point-to-Point Protocol (PPP) for removal of a Multilink PPP (MLPPP) bundle link,
use the lnm remove command in T1 or E1 controller configuration mode. To disable link removal signaling
based on LNM thresholds, use the no form of this command.
lnm remove [{clear| set} [line-code-violation lcv-value [path-code-violation pcv-value]] [duration seconds]]
no lnm remove [{clear| set} [line-code-violation lcv-value [path-code-violation pcv-value]] [duration
seconds]]
Syntax Description
(Optional) Specifies threshold values for Line Code Violation (LCV) and Path Code
Violation (PCV) errors that are used to determine when a recovery from a set threshold
has occurred and a “cleared” event is signalled. The clear threshold values cannot
exceed the set threshold values.
clear
(Optional) Specifies the high threshold values for LCV and PCV that are used to
signal the noise attribute to PPP on the link. When errors on the link are greater than
or equal to these values, the noise attribute is set and a “crossed” event is signalled.
set
(Optional) Specifies the threshold value for LCV errors (Bi-Polar Violation [BPV]
or Excessive Zeroes [EXZ]), in the following possible ranges:
•
For T1 links, the range is 5 to 1544. The default is 1544.
•
For E1 links, the range is 7 to 2048. The default is 2048.
line-code-violation
lcv-value
(Optional) Specifies the threshold value for PCV errors (CRC errors), in the following
possible ranges:
•
For T1 links, the range is 3 to 320. The default is 320.
•
For E1 links, the range is 5 to 832. The default is 831.
path-code-violation
pcv-value
(Optional) Specifies the period of time (in seconds) during which the number of link
noise errors must continuously exceed the set threshold levels to signal the noise
attribute, or remain below the clear threshold levels to signal a cleared event. The
range is 4 to 600. The default is 10.
duration seconds
Command Default
Link noise monitoring is disabled.
If the lnm remove command is run without specifying set or clear options, then set is used as the default
option with its default values. The clear option inherits the same threshold values as the default set threshold
values.
If the lnm remove command is run and only the set option is configured, the threshold values defined for the
set option are also used as the clear threshold values. Alternatively, if the lnm remove command is run and
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Release 5.3.x
1018
T3, E3, T1, E1 Controller Commands on the Cisco ASR 9000 Series Router
lnm remove
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