17-87
Cisco ONS 15454 SDH Procedure Guide, R7.0
78-17194-01
Chapter 17 DLPs D1 to D99
DLP- D91 MS-SPRing Switch Test
Step 20
(Optional) If you remapped the K3 byte to run an ONS 15454 SDH MS-SPRing through third-party
equipment, verify a KBYTE-PASSTHRU condition reported on other nodes that are not connected to the
west side of the node where you invoked the Force Ring switch.
Step 21
Verify the MS-SPRing line status on each node:
a.
From the View menu, choose
Go to Node View
.
b.
Click the
Maintenance > MS-SPRing
tabs.
c.
Verify the following:
•
The line states are shown as Stby/Stby on the east side of the node and Act/Act on the west side
of the node where you invoked the Force Ring switch.
•
The line states are shown as Stby/Stby on the west side of the node and Act/Act on the east side
of the node that is connected to the east line of the node where you invoked the Force Ring
switch.
•
The line states are shown as Act/Act on both east and west sides of the remaining nodes in the
ring.
Step 22
From the View menu, choose
Go to Network View
.
Step 23
Click the
Alarms
tab.
a.
Verify that the alarm filter is not on. See the
“DLP-D227 Disable Alarm Filtering” task on
as necessary.
b.
Verify that no unexplained alarms appear on the network. If unexplained alarms appear, resolve
them before continuing. Refer to the
Cisco ONS 15454 SDH Troubleshooting Guide.
Step 24
Display the MS-SPRing window where you invoked the Force Ring switch (the window might be hidden
by the CTC window).
Step 25
Clear the Force Ring switch on the east port:
a.
Right-click the west port of the MS-SPRing node where you invoked the Force Ring 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 MS-SPRing Operation dialog box.
On the network view graphic, the Force Ring switch is removed, the F indicating the switch is
removed, and the span lines between MS-SPRing nodes will be purple and green. The span lines
might take a few moments to change color.
Step 26
In network view, click the
Conditions
tab. Verify that all conditions raised in this procedure are cleared
from the network. If unexplained conditions appear, resolve them before continuing.
Step 27
Verify the MS-SPRing line status on each node:
a.
From the View menu, choose
Go to Node View
.
a.
Click the
Maintenance > MS-SPRing
tabs.
b.
Verify that the line states are shown as Act/Stby on both the east and west sides of each node in the
ring.
Step 28
From the File menu, choose
Close
to close the MS-SPRing window.
Step 29
Return to your originating procedure (NTP).
Summary of Contents for ONS 15454 SDH
Page 26: ...Tables vi Cisco ONS 15454 SDH Procedure Guide R7 0 78 17194 01 ...
Page 62: ...xxii Cisco ONS 15454 SDH Procedure Guide R7 0 78 17194 01 About this Guide ...
Page 64: ...xxiv Cisco ONS 15454 SDH Procedure Guide R7 0 78 17194 01 About this Guide ...
Page 66: ...xxvi Cisco ONS 15454 SDH Procedure Guide R7 0 78 17194 01 About this Guide ...
Page 860: ...Index IN 28 Cisco ONS 15454 SDH Procedure Guide R6 0 78 17194 01 ...
