Cisco Cisco ONS 15600 SDH, Troubleshooting Manual

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Cisco ONS 15600 SDH Troubleshooting Guide, R8.0
July 2010
Chapter 1 General Troubleshooting
1.3.5 Perform a Facility Loopback on a Destination-Node Ethernet Port
•
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 .
b.
In node view, double-click the card that requires the loopback.
c. Click the Maintenance > Ethernet > Loopback > Port tabs.
d.
Select Locked,maintenance from the Admin State column. If multiple ports are available, select
the row appropriate for the desired port.
e. Select Facility from the Loopback Type column. If multiple ports are available, select the row
appropriate for the desired port.
f.
Click Apply .
g. Click Yes in the confirmation dialog box.
Step 6
Complete the “Test and Clear the Ethernet Facility Loopback Circuit” procedure on page 1-43 .
Test and Clear the Ethernet Facility Loopback Circuit
Step 1
If the test set is not already sending traffic, send test traffic on the loopback circuit.
Step 2
Examine the traffic received by the test set. Look for errors or any other signal information that the test
set is capable of indicating.
Step 3
If the test set indicates a good circuit, no further testing is necessary with the facility loopback. Clear the
facility loopback from the port:
a. Click the Maintenance > Ethernet > Loopback > Port tabs.
b.
Choose None from the Loopback Type column for the port being tested.
c. Choose the appropriate state ( Unlocked ; Locked,disabled ; Locked,maintenance ) from the Admin
State column for the port being tested.
d.
Click Apply .
e.
Click Yes in the confirmation dialog box.
Step 4
Clear the loopback circuit:
a.
Click the Circuits tab.
b.
Choose the loopback circuit being tested.
c. Click Delete .
d.
Click Yes in the Delete Circuits dialog box. Do not check any check boxes.
Step 5
Complete the “Test the ASAP Card” procedure on page 1-43 .
Test the ASAP Card
Step 1
Determine whether you are experiencing trouble on a single SFP (PPM), on all PPMs within a
4PIO (PIM), or on all 4PIO used in that ASAP card. If there is only partial failure, you might be able to
replace this part rather than the entire card.