Cisco ONS 15310-MA SDH Procedure Manual page 363

Chapter 16 DLPs H1 to H99
Verify that no unexplained alarms appear on the network. If alarms are present, investigate and
b.
resolve them before continuing. Refer to the Cisco ONS 15310-MA SDH Troubleshooting Guide if
necessary.
On the Conditions tab, and click Retrieve. Verify that the network does not have any unexplained
Step 3
conditions. If unexplained conditions are present, resolve them before continuing. Refer to the
Cisco ONS 15310-MA SDH Troubleshooting Guide if necessary.
On the network map, double-click the node containing the 1+1 protection group you are testing to open
Step 4
the node in node view.
Click the Maintenance > Protection tabs.
Step 5
Initiate a Force switch on the working port:
Step 6
In the Protection Groups area, click the 1+1 protection group.
a.
Click the working port. Next to Switch Commands, click Force.
b.
In the Confirm Force Operation dialog box, click Yes.
c.
In the Selected Group area, verify that the following appears:
d.
Protect port - Protect/Active [FORCE_SWITCH_TO_PROTECT] [PORT STATE]
Working port - Working/Standby [FORCE_SWITCH_TO_PROTECT], [PORT STATE]
Step 7 Verify that traffic on the test set connected to the node is still running. Some bit errors are normal, but
traffic flow should not be interrupted. If a traffic interruption occurs, complete
next level of support. If a traffic interruption does not occur, complete Steps
Clear the switch on the working port:
Step 8
Next to Switch Commands, click Clear.
a.
b. In the Confirm Clear Operation dialog box, click Yes.
Step 9 Initiate a Force switch on the protect port:
a. In the Selected Group area, click the protect port. Next to Switch Commands, click Force.
In the Confirm Force Operation dialog box, click Yes.
b.
In the Selected Group area, verify that the following appears:
c.
Protect port - Protect/Active [FORCE_SWITCH_TO_WORKING], [PORT STATE]
Working port - Working/Standby [FORCE_SWITCH_TO_WORKING], [PORT STATE]
Verify that the traffic on the test set connected to the node is still running. If a traffic interruption occurs,
Step 10
complete Step
complete Steps
Clear the switch on the protect port:
Step 11
Next to Switch Commands, click Clear.
a.
In the Confirm Clear Operation dialog box, click Yes.
b.
In the Selected Group area, verify the following states:
c.
Protect port - Protect/Standby, unlocked-enabled
Working port - Working/Active, unlocked-enabled
Return to your originating procedure (NTP).
Step 12
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11 and then refer to your next level of support. If a traffic interruption does not occur,
11 and 12.
Cisco ONS 15310-MA SDH Procedure Guide, Release 9.1 and Release 9.2
Step 8, then refer to your
8 through 12.
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