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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
b.
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