Monitoring Aps/Msp - Juniper JUNOSE 11.2.X PHYSICAL LAYER Configuration Manual

JunosE 11.2.x Physical Layer Configuration Guide

Monitoring APS/MSP

show aps
102
You can use the show aps commands to monitor APS/MSP.
Use to display information about interfaces on which APS/MSP is configured.
Use the all keyword to display information from all APS/MSP groups. In the output,
partially configured controllers are displayed with none and include only the group
name.
Field descriptions
sonet x/y—Location of the SONET/SDH interface
protect group—Name of the APS group that contains the working interface and the
corresponding protect interface
channel—Number of the APS channel; 0 identifies the protect interface, 1 identifies
the working interface
~—Interface is not currently active
Selected—Interface is active
~Selected—Interface is not active
Bidirectional—Router switches to the protect interface using the bidirectional
switching mechanism
Unidirectional—Router switches to the protect interface using the unidirectional
mode switching mechanism
Nonrevertive—Router does not revert to the working interface when it recovers
Revertive—Router reverts to the working interface when it recovers
Disabled—APS/MSP is disabled on the interface
Enabled—APS/MSP is enabled on the interface
Example 1
host1#show aps
sonet 5/1 protect group one channel 0
Nonrevertive
sonet 5/0 working group one channel 1
Example 2
host1#show aps all
aps events: disabled
sonet 4/0 working group group-4 channel 1
sonet 4/1 protect group group-4 channel 0
Nonrevertive
sonet 2/0 working group group-2 channel 1
sonet 2/1 protect group group-2 channel 0
~Selected Unidirectional
Selected Enabled
Selected Enabled
~Selected Unidirectional
Selected Enabled
~Selected Unidirectional
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