7-9
Cisco ONS 15454 SDH Procedure Guide, R7.0
78-17194-01
Chapter 7 Manage Circuits
NTP- D332 Bridge and Roll Traffic
NTP-D332 Bridge and Roll Traffic
Note
Using the bridge and roll feature, you can upgrade an unprotected circuit to a fully protected circuit or
downgrade a fully protected circuit to an unprotected circuit.
Caution
Performing bridge and roll on an STM64C might cause a traffic hit of 50 ms.
Step 1
Complete the
“DLP-D60 Log into CTC” task on page 17-49
at the ONS 15454 SDH circuit source node.
If you are already logged in, continue with
.
Step 2
As needed, complete the
“DLP-D234 Roll the Source or Destination of One Optical Circuit” task on
.
Step 3
As needed, complete the
“DLP-D235 Roll One Cross-Connect from an Optical Circuit to a Second
Optical Circuit” task on page 19-33
.
Step 4
As needed, complete the
“DLP-D236 Roll Two Cross-Connects on One Optical Circuit Using Automatic
or the
“DLP-D237 Roll Two Cross-Connects on One Optical Circuit Using
Manual Routing” task on page 19-39
.
Step 5
As needed, complete the
“DLP-D238 Roll Two Cross-Connects from One Optical Circuit to a Second
Optical Circuit” task on page 19-41
.
Step 6
As needed, complete the
“DLP-D240 Cancel a Roll” task on page 19-43
Purpose
This procedure reroutes live traffic without interrupting service. You can
use the Bridge and Roll wizard for maintenance functions such as card
replacement or load balancing. A circuit consists of a source facility, one
or more destination facilities, and intermediate facilities (path).
Tools/Equipment
None
Prerequisite Procedures
•
Circuits must exist on the network. See
for circuit creation procedures.
•
To route circuits on protected ports, you must create a protection group
using the
“DLP-D73 Create a 1+1 Protection Group” task on
or the
“NTP-D41 Create the MS-SPRing” procedure on
.
•
When a roll involves two circuits, a data communications channel
(DCC) connection must exist. See the
Regenerator-Section DCC Terminations” task on page 20-68
•
Use the
“NTP-D199 Locate and View Circuits” procedure on page 7-2
to verify that the planned Roll To paths are in service. Verify that the
planned Roll To and Roll From paths are not in the Roll Pending status,
used in test access, or used in a loopback. Refer to the
Cisco ONS 15454 SDH Troubleshooting Guide
to clear any alarms.
Required/As Needed
As needed
Onsite/Remote
Onsite or remote
Security Level
Provisioning or higher
Содержание ONS 15454 SDH
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