17-95
Cisco ONS 15454 Procedure Guide, R5.0
March 2005
Chapter 17 DLPs A1 to A99
DLP-A94 Path Protection Switching Test
Step 13 Clear the east switch:
a. Right-click the east port of the BLSR node where you invoked the Force Span switch and choose
Set East Protection Operation.
b. In the Set East Protection Operation dialog box, choose CLEAR from the drop-down list.
c. Click OK.
d. Click Yes in the Confirm BLSR Operation dialog box.
On the network view graphic, the Force Span switch is removed, the F indicating the switch is
removed, and the span lines between BLSR nodes will be purple and green. The span lines might
take a few moments to change color.
Step 14 From the File menu, choose Close to close the BLSR window.
Step 15 Return to your originating procedure (NTP).
DLP-A94 Path Protection Switching Test
Note Although a service interruption under 60 ms might occur, the test circuit should continue to work before,
during, and after the switches. If the circuit stops working, do not continue. Contact your next level of
support.
Step 1 From the View menu, choose Go to the Network View.
Step 2 Right-click a network span and choose Circuits.
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.
Step 3 Initiate a Force switch for all circuits on the span:
a. Click the Perform UPSR span switching field.
b. Choose FORCE SWITCH AWAY from the drop-down list.
c. Click Apply.
d. In the Confirm UPSR Switch dialog box, click Yes.
e. 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
will not switch.
Step 4 Clear the Force switch:
a. Click the Perform UPSR span switching field.
Purpose This task verifies that a path protection span is switching correctly.
Tools/Equipment None
Prerequisite Procedures DLP-A60 Log into CTC, page 17-66
Required/As Needed Required
Onsite/Remote Onsite or remote
Security Level Provisioning or higher
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