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2.8.2 Protection Switching, Lock Initiation, and Clearing
In the Selected Group list, click the card that you want to clear.
Step 3
In the Inhibit Switching area, click Unlock.
Step 4
Click Yes in the confirmation dialog box.
Step 5
The lock-on or lockout is cleared.
Initiate a Force Switch for All Circuits on a SNCP Span
This procedure forces all circuits in a SNCP from the working span to the protect. It is used to remove
traffic from a card that originates or terminates SNCP circuits.
Caution
The Force command overrides normal protective switching mechanisms. Applying this command
incorrectly can cause traffic outages.
Traffic is not protected during a Force protection switch.
Caution
Log into a node on the network. If you are already logged in, continue with
Step 1
Click View > Go to Network View.
Step 2
Right-click a network span and choose Circuits.
Step 3
The Circuits on Span dialog box shows the SNCP circuits, including circuit names, locations, and a color
code showing which circuits are active on the span.
Click the Perform SNCP span switching field.
Step 4
Choose Force Switch Away from the drop-down list.
Step 5
Step 6
Click Apply.
Step 7
In the Confirm SNCP Switch dialog box, click Yes.
Step 8
In the Protection Switch Result dialog box, click OK.
In the Circuits on Span dialog box, the switch state for all circuits is FORCE. Unprotected circuits do
not switch.
Initiate a Manual Switch for All Circuits on a SNCP Span
This procedure manually switches all circuits in an SNCP from the working span to the protect. It is used
to remove traffic from a card that originates or terminates SNCP circuits.
The Manual command does not override normal protective switching mechanisms.
Caution
Log into a node on the network. If you are already logged in, continue with
Step 1
Right-click a network span and choose Circuits.
Step 2
Cisco ONS 15600 SDH Troubleshooting Guide, R8.0
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Chapter 2 Alarm Troubleshooting
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July 2010
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Table of Contents
Troubleshooting
