Cisco ONS 15454 Troubleshooting Manual page 459

Chapter 2 Alarm Troubleshooting
Initiate a 1:1 Card Switch Command
The Switch command only works on the Active card, whether it is working or protect. It does not work
Note
on the Standby card.
In node view, click the Maintenance > Protection tabs.
Step 1
Click the protection group that contains the card you want to switch.
Step 2
Under Selected Group, click the active card.
Step 3
Next to Switch Commands, click Switch.
Step 4
The working slot should change to Working/Active and the protect slot should change to
Protect/Standby.
Initiate a Force Switch for All Circuits on a Path Protection Span
This procedure forces all circuits in a path protection configuration from the working span to the protect.
It is used to remove traffic from a card that originates or terminates path protection circuits.
Caution The Force command overrides normal protective switching mechanisms. Applying this command
incorrectly can cause traffic outages.
Caution Traffic is not protected during a Force protection switch.
Log into a node on the network.
Step 1
In node view, choose Go to Network View from the View menu.
Step 2
Right-click a network span and choose Circuits.
Step 3
The Circuits on Span dialog box shows the path protection circuits, including circuit names, locations,
and a color code showing which circuits are active on the span.
Click the Perform Path Protection span switching field.
Step 4
Choose Force Switch Away from the drop-down list.
Step 5
Click Apply.
Step 6
In the Confirm Path Protection Switch dialog box, click Yes.
Step 7
In the Protection Switch Result dialog box, click OK.
Step 8
In the Circuits on Span dialog box, the switch state for all circuits is FORCE. Unprotected circuits do
not switch.
November 2009
2.9.2 Protection Switching, Lock Initiation, and Clearing
Cisco ONS 15454 Troubleshooting Guide, R8.5
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