Figure 19-4 Protection Operation On A Three-Node Ms-Spring - Cisco ONS 15454 SDH Procedure Manual

DLP- D217 MS-SPRing Exercise Ring Test
Note
Figure 19-4
In the Set West Protection Operation dialog box, choose EXERCISE RING from the drop-down
b.
list.
Click OK.
c.
In the Confirm MS-SPRing Operation dialog box, click Yes.
d.
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.
Exercise the east port:
Step 5
Right-click the east port of any MS-SPRing node and choose Set East Protection Operation.
a.
Note
In the Set East Protection Operation dialog box, choose EXERCISE RING from the drop-down list.
b.
Click OK.
c.
In the Confirm MS-SPRing Operation dialog box, click Yes.
d.
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.
In the CTC window, click the History tab. Verify that an EXERCISE-RING (Exercising Ring
Step 6
Successfully) condition appears for the node where you exercised the ring. Other conditions that appear
include EXERCISE-RING-REQ, KB-PASSTHR, and FE-EXERCISING-RING.
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
for more information.
Cisco ONS 15454 SDH Procedure Guide, R7.0
19-16
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.
Protection Operation on a Three-Node MS-SPRing
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 the working or protect ports.
"NTP-D72 Suppress Alarms or Discontinue Alarm Suppression" procedure on page 9-7
Chapter 19 DLPs D200 to D299
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