17-92
Cisco ONS 15454 Procedure Guide, R5.0
March 2005
Chapter 17 DLPs A1 to A99
DLP-A92 Four-Fiber BLSR Exercise Span Test
Step 5 Verify the conditions:
a. Click the Conditions tab, then click Retrieve.
b. Verify the following conditions:
• EXERCISING-SPAN—An Exercise Ring Successful condition is reported on the node where
the span was exercised.
• FE-EX-SPAN—A Far-End Exercise Span Request condition is reported against the east span of
the node connected to the west side of the node where you exercised the span.
• KB-PASSTHR—If applicable, a K Byte Pass Though Active condition is reported.
Note Make sure the Filter button in the lower right corner of the window is off. Click the Node
column to sort conditions by node.
Step 6 Click the Alarms tab.
a. Verify that the alarm filter is not on. See the “DLP-A227 Disable Alarm Filtering” task on
page 19-17 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 Troubleshooting Guide if necessary.
Step 7 Exercise the east span:
a. Right-click the east port of the four-fiber BLSR node that you want to exercise and choose Set East
Protection Operation.
b. In the Set East Protection Operation dialog box, choose EXERCISE SPAN from the drop-down list.
c. Click OK.
d. In the Confirm BLSR Operation dialog box, click Ye s.
On the network view graphic, an E appears on the BLSR channel where you invoked the exercise.
The E will appear for 10 to 15 seconds, then disappear.
Step 8 From the File menu, choose Close.
Step 9 Verify the conditions:
a. Click the Conditions tab, then click Retrieve.
b. Verify the following conditions:
• EXERCISING-SPAN—An Exercise Ring Successful condition is reported on the node where
the span was exercised.
• FE-EX-SPAN—A Far-End Exercise Span Request condition is reported against the east span of
the node connected to the west side of the node where you exercised the span.
• KB-PASSTHR—If applicable, a K Byte Pass Though Active condition is reported.
Note Make sure the Filter button in the lower right corner of the window is off. Click the Node
column to sort conditions by node.
Step 10 Click the Alarms tab.
a. Verify that the alarm filter is not on. See the “DLP-A227 Disable Alarm Filtering” task on
page 19-17 as necessary.
To Next Page
Loading...
Need help?
General
