Ntp- A294 Remove A Path Protection Node - Cisco ONS 15454 Series Procedure Manual

Chapter 14 Add and Remove Nodes
Click the Circuits tab and verify that no incomplete circuits are present.
Step 20
Note
Complete the
Step 21
protection switch.
According to local site practice, complete the
Step 22
on page
Stop. You have completed this procedure.
NTP-A294 Remove a Path Protection Node
Purpose
Tools/Equipment
Prerequisite Procedures
Required/As Needed
Onsite/Remote
Security Level
The following procedure minimizes traffic outages during node removals.
Caution
If you remove a node that is the only BITS timing source for the ring, you also remove the only source
Caution
of synchronization for all the nodes in that ring. Circuits that connect to other networks that are
synchronized to a Stratum 1 clock will experience a high level of pointer adjustments, which might
adversely affect customer service.
Draw a diagram of the path protection where you will remove the node. In the diagram, identify the
Step 1
following:
•
•
Complete the
Step 2
remove a path protection node.
Complete the
Step 3
that the path protection is free of alarms. If trouble is indicated (for example, a major alarm exists),
resolve the problem before proceeding. See
Cisco ONS 15454 Troubleshooting Guide.
Complete the
Step 4
the node you will remove. (If a circuit has multiple drops, delete only the drops that terminate on the
node you are deleting.)
December 2004
If the circuits take more than a minute to appear, log out of CTC, then log back in.
"DLP-A198 Clear a Path Protection Force Switch" task on page 18-70
5-22.
This procedure removes a path protection or multiple path protection
configurations from a node.
None
NTP-A44 Provision Path Protection Nodes, page 5-20
As needed
Onsite
Provisioning or higher
The node that is connected through its west port to the node that will be removed.
The node that is connected through its east port to the node that will be removed.
"DLP-A60 Log into CTC" task on page 17-66
"DLP-A298 Check the Network for Alarms and Conditions" task on page 19-63
"DLP-A333 Delete Circuits" task on page 20-21
NTP-A294 Remove a Path Protection Node
"NTP-A177 Path Protection Acceptance Test" procedure
at a node in the network where you will
Chapter 7, "Manage Alarms"
for circuits that originate or terminate in
Cisco ONS 15454 Procedure Guide, R5.0
to clear the
to verify
or, if necessary, refer to the
14-11