Cisco Systems ONS 15600 SDH manual DLP-F342 MS-SPRing Switch Test, 18-43

Chapter 18 DLPs F300 to F399

DLP- F342 MS-SPRing Switch Test

If you do not see any MS-SPRing exercise conditions, click the Filter button and verify that filtering is not turned on. Also, check that alarms and conditions are not suppressed for a node or MS-SPRing drop cards. See the “NTP-F195 Suppress and Restore Alarm Reporting” procedure on page 9-7for more information.

Step 7 Click the Alarms tab.

a.Verify that the alarm filter is not on. See the “DLP-F288 Disable Alarm Filtering” task on page 17-78for instructions.

b.Verify that no unexplained alarms appear on the network. If unexplained alarms appear, resolve them before continuing. Refer to the Cisco ONS 15600 Troubleshooting Guide for alarm clearing procedures.

Step 8 From the File menu, choose Close to close the MS-SPRing window.

Step 9 Return to your originating procedure (NTP).

DLP-F342 MS-SPRing Switch Test

Purpose	This task verifies that protection switching is working correctly in an
	MS-SPRing.
Tools/Equipment	None
Prerequisite Procedures	DLP-F181 Log into CTC, page 16-34
Required/As Needed	Required
Onsite/Remote	Onsite
Security Level	Provisioning or higher

Step 1 From the View menu, choose Go to Network View.

Step 2 Click the Provisioning > MS-SPRing tabs.

Step 3 Click the row of the MS-SPRing you will switch, then click Edit.

Step 4 Initiate a Force Ring switch on the west port:

a.Right-click any MS-SPRing node west port and choose Set West Protection Operation. (To move a graphic icon, click it, then press Ctrl while you drag and drop it to a new location.)

Note For two-fiber MS-SPRings, the squares on the node icons represent the MS-SPRing working and protect channels. You can right-click either channel.

b.In the Set West Protection Operation dialog box, choose FORCE RING from the drop-down list.

c.Click OK.

d.Click Yes in the two Confirm MS-SPRing Operation dialog boxes that appear.

On the network view graphic, an F appears on the MS-SPRing channel where you invoked the Force Ring switch. The MS-SPRing span lines turn purple where the switch was invoked, and all span lines between other MS-SPRing nodes turn green.

	Cisco ONS 15600 SDH Procedure Guide, R8.0
October 2007		18-43