Cisco ONS 15454 Troubleshooting Manual page 108

1.4.6 Perform a Facility Loopback on a Destination-Node Optical Port
e.
f.
g.
h.
i.
j.
k.
Confirm that the newly created circuit appears on the Circuits tab list as a two-way circuit.
Step 4
Note
Create the facility loopback on the destination port being tested:
Step 5
a.
b.
c.
d.
e.
f.
g.
Complete the
Step 6
Test and Clear the Optical Facility Loopback Circuit
If the test set is not already sending traffic, send test traffic on the loopback circuit.
Step 1
Examine the traffic received by the test set. Look for errors or any other signal information that the test
Step 2
set is capable of indicating.
If the test set indicates a good circuit, no further testing is necessary with the facility loopback. Clear the
Step 3
facility loopback from the port:
a.
b.
c.
Cisco ONS 15454 Troubleshooting Guide, R8.5
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Leave the Bidirectional check box checked.
Click Next.
In the Circuit Creation source dialog box, select the same Node, card Slot, Port, and STS (or VT)
where the test set is connected.
Click Next.
In the Circuit Creation destination dialog box, use the same Node, card Slot, Port, and STS (or VT)
used for the source dialog box.
Click Next.
In the Circuit Creation circuit routing preferences dialog box, leave all defaults. Click Finish.
It is normal for the "CLPBKFACILITY (OCN)" condition on page 2-172
loopback setup. The condition clears when you remove the loopback.
Go to the node view of the destination node:
Choose View > Go To Other Node from the menu bar.
•
Choose the node from the drop-down list in the Select Node dialog box and click OK.
•
In node view, double-click the card that requires the loopback.
Click the Maintenance > Loopback > Port tabs.
Select OOS,MT from the Admin State column. If this is a multiport card, select the row appropriate
for the desired port.
Select Facility from the Loopback Type column. If this is a multiport card, select the row
appropriate for the desired port.
Click Apply.
Click Yes in the confirmation dialog box.
"Test and Clear the Optical Facility Loopback Circuit" procedure on page
Click the Maintenance > Loopback > Port tabs.
Choose None from the Loopback Type column for the port being tested.
Choose the appropriate state (IS; OOS,DSBLD; OOS,MT; IS,AINS) from the Admin State column
for the port being tested.
Chapter 1 General Troubleshooting
to appear during a
1-64.
November 2009