Test And Clear The Ethernet Facility Loopback Circuit; Test The Ethernet Card - Cisco ONS 15310-CL Troubleshooting Manual

1.6.5 Perform a Facility Loopback on a Destination-Node Ethernet Port
g.
Complete the
Step 6

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.
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.
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.
b.
c.
d.
e.
Step 4 Clear the facility loopback circuit:
a.
b.
c.
d.
Complete the
Step 5

Test the Ethernet Card

Complete the
Step 1
replace it with a known-good one.
Caution Removing a card that currently carries traffic on one or more ports can cause a traffic hit. To avoid this,
perform an external switch if a switch has not already occurred. Refer to the procedures in the
"1.10.1 Protection Switching, Lock Initiation, and Clearing" section on page
information, refer to the "Maintain the Node" chapter in the Cisco ONS 15310-CL and
Cisco ONS 15310-MA Procedure Guide.
Resend test traffic on the loopback circuit with a known-good card installed.
Step 2
If the test set indicates a good circuit, the problem was probably the defective card. Return the defective
Step 3
card to Cisco through the RMA process. Contact Cisco Technical Support (1 800 553-2447).
Complete the
Step 4
Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0
1-40
Click Yes in the confirmation dialog box.
"Test and Clear the Ethernet Facility Loopback Circuit" procedure on page
Double-click the CE100T-8 card and click the Maintenance > Loopback tabs.
Choose None from the Loopback Type column for the port being tested.
Choose the appropriate state (IS; OOS,DSBLD; OOS,MT) from the Admin State column for the port
being tested.
Click Apply.
Click Yes in the confirmation dialog box.
Click the Circuits tab.
Choose the loopback circuit being tested.
Click Delete.
Click Yes in the Delete Circuits dialog box. Do not check any check boxes.
"Test the Ethernet Card" procedure on page
"Physically Replace a Card" procedure on page 1-155
"Physically Replace a Card" procedure on page 1-155
Chapter 1 General Troubleshooting
1-40.
for the suspected bad card and
1-148. For more
for the faulty card.
1-40.
78-17235-01