CHAPTER
14-1
Cisco ONS 15454 Procedure Guide, R5.0
December 2004
14
Add and Remove Nodes
Note The terms “Unidirectional Path Switched Ring” and “UPSR” may appear in Cisco literature. These terms
do not refer to using Cisco ONS 15xxx products in a unidirectional path switched ring configuration.
Rather, these terms, as well as “Path Protected Mesh Network” and “PPMN,” refer generally to Cisco’s
path protection feature, which may be used in any topological network configuration. Cisco does not
recommend using its path protection feature in any particular topological network configuration.
This chapter explains how to add and remove Cisco ONS 15454 nodes from bidirectional line switched
rings (BLSRs), path protection configurations, and linear add-drop multiplexer (ADM) networks.
Before You Begin
Before performing any of the following procedures, complete the “NTP-A195 Document Card, Node,
and Network Provisioning” procedure on page 7-2. Also investigate all alarms and clear any trouble
conditions. Refer to the Cisco ONS 15454 Troubleshooting Guide as necessary.
This section lists the chapter procedures (NTPs). Turn to a procedure for applicable tasks (DLPs).
1. NTP-A212 Add a BLSR Node, page 14-2—Complete as needed.
2. NTP-A240 Remove a BLSR Node, page 14-6—Complete as needed.
3. NTP-A105 Add a Path Protection Node, page 14-9—Complete as needed.
4. NTP-A294 Remove a Path Protection Node, page 14-11—Complete as needed.
5. NTP-A262 Add a Node to a Linear ADM, page 14-13—Complete as needed to add a node to the
end of a linear ADM. This procedure can be used to add a node between two linear ADM nodes, but
requires that circuits be deleted and recreated. To add a node without disrupting traffic, use the
following procedure.
6. NTP-A312 Add a Node to a Linear ADM Using the Wizard, page 14-14—Complete as needed to
add a node between two linear ADM nodes.
7. NTP-A313 Remove an In-Service Node from a Linear ADM, page 14-17—Complete as needed to
remove a node from a linear ADM without disrupting traffic.
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