1-30
Cisco ONS 15600 SDH Troubleshooting Guide, R8.0
July 2010
Chapter 1 General Troubleshooting
1.3.1 Perform a Facility Loopback on a Source-Node Ethernet Port
Figure 1-13
Facility Loopback on a Circuit Source Ethernet Port
Caution
Performing a loopback on an in-service circuit is service-affecting.
Complete the
“Create the Facility Loopback on the Source-Node Ethernet Port” procedure on page 1-30
.
Create the Facility Loopback on the Source-Node Ethernet Port
Step 1
Connect an optical test set to the ASAP Ethernet port you are testing.
Note
For specific procedures to use the test set equipment, consult the manufacturer.
Use appropriate cabling to attach the Tx and Rx terminals of the optical test set to the port you are
testing. The Tx and Rx terminals connect to the same port.
Step 2
Adjust the test set accordingly. (Refer to manufacturer instructions for test-set use.)
Step 3
In CTC node view, double-click the card to display the card view.
Step 4
Click the
Maintenance > Ethernet > Loopback > Port
tabs.
Step 5
Choose
Locked,maintenance
from the Admin State column for the port being tested. If multiple ports
are available, select the appropriate row for the desired port.
Step 6
Choose
Facility
from the Loopback Type column for the port being tested. If multiple ports are available,
select the appropriate row for the desired port.
Step 7
Click
Apply
.
Step 8
Click
Yes
in the confirmation dialog box.
Note
It is normal for the
“LPBKFACILITY (GIGE)” condition on page 2-88
to appear during
loopback setup. The condition clears when you remove the loopback.
Step 9
Complete the
“Test and Clear the Facility Loopback Circuit” procedure on page 1-30
.
Test and Clear the Facility Loopback Circuit
Step 1
If the test set is not already sending traffic, send test traffic on the loopback circuit.
Destination
ONS Node
XC
Source
ONS Node
Intermediate
ONS Node
Test Set
Ethernet
Ethernet
Ethernet
Ethernet
Ethernet
Ethernet
XC
XC
137610
Содержание Cisco ONS 15600 SDH
Страница 18: ...Contents xviii Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 ...
Страница 20: ...Figures xx Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 ...
Страница 30: ...xxx Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 About this Guide ...
Страница 256: ...3 8 Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 Chapter 3 Transient Conditions 3 3 28 WKSWPR ...
Страница 306: ...4 50 Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 Chapter 4 Error Messages ...
Страница 318: ...Index IN 12 Cisco ONS 15600 SDH Troubleshooting Guide R8 0 July 2010 ...