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Cisco ONS 15454 SDH Procedure Guide, R7.2

October 2007

Chapter 19 DLPs D200 to D299

DLP- D217 MS-SPRing Exercise Ring Test

DLP-D217 MS-SPRing Exercise Ring Test

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 exercise, then click Edit.

Step 4 Exercise the west port:

a. Right-click the west port of any MS-SPRing node and choose Set West Protection Operation.

Figure 19-4 shows an example. (To move a graphic icon, 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. For four-fiber MS-SPRings, the

squares represent ports. Right-click either working or protect ports.

Figure 19-4 Protection Operation on a Three-Node MS-SPRing

In the Set West Protection Operation dialog box, choose EXERCISE RING from the drop-down

list.

c. Click OK.

d. In the Confirm MS-SPRing Operation dialog box, click Yes.

On the network view graphic, an E appears on the MS-SPRing channel where you invoked the

exercise. The E will appear for 10 to 15 seconds, then disappear.

Purpose This task tests the multiplex section-shared protection ring (MS-SPRing)

functionality without switching traffic. Ring exercise conditions (including

the K-byte pass-through) are reported and cleared within 10 to 15 seconds.

Tools/Equipment None

Prerequisite Procedures DLP-D60 Log into CTC, page 17-49

Required/As Needed As needed

Onsite/Remote Onsite or remote

Security Level Provisioning or higher

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