14-9
Cisco ONS 15454 Procedure Guide, R5.0
December 2004
Chapter 14 Add and Remove Nodes
NTP-A105 Add a Path Protection Node
Step 25 If you delete a node that was in a login node group, you will see incomplete circuits for that node in the
CTC network view. Although it is no longer part of the ring, the removed node still reports to CTC until
it is no longer in a login node group. If necessary, complete the “DLP-A372 Delete a Node from a
Specified Login Node Group” task on page 20-56.
Step 26 To remove another node from a BLSR, repeat this procedure for the desired node.
Stop. You have completed this procedure.
NTP-A105 Add a Path Protection Node
Step 1 According to local site practice, complete the “NTP-A108 Back Up the Database” procedure on
page 15-4 for all the nodes in the ring.
Step 2 Log into an existing node in the path protection where you want to add a node. See the “DLP-A60 Log
into CTC” task on page 17-66 for instructions. In order to have CTC visibility to the new node after it is
added, you must be an authorized user on the node and you must have IP connectivity to the node.
Step 3 Complete the “DLP-A298 Check the Network for Alarms and Conditions” task on page 19-63 to verify
that the path protection is free of major alarms or problems. If trouble is indicated (for example, a major
alarm exists), resolve the problem before proceeding. See the Cisco ONS 15454 Troubleshooting Guide,
as necessary.
Step 4 Verify the card installation on the new node. See the “NTP-A24 Verify Card Installation” procedure on
page 4-2. Check that the OC-N cards that will serve as the path protection trunk (span) cards match the
path protection optical rate of the trunk cards to which the new node will be connected. For example, if
the adjacent nodes have OC-48 trunk cards, the new node must have OC-48 cards installed. If the OC-N
cards are not installed or the rate does not match the rate of the adjacent node trunk cards, complete the
“NTP-A16 Install the OC-N Cards” procedure on page 2-6 to install them.
Step 5 Verify that fiber is available to connect the new node to the existing nodes.
Step 6 Complete the “NTP-A35 Verify Node Turn-Up” procedure on page 5-2.
Step 7 Determine if the following conditions are present.
• The IP address for the new node is on the same subnet as other nodes in the network.
• On the new node Provisioning > Network > General subtab, Craft Access Only is not checked under
Gateway Settings.
• A CTC computer is directly connected to the new node.
Purpose This procedure adds a node to a path protection.
Tools/Equipment None
Prerequisite Procedures Cards must be installed and node turn-up procedures completed on the
node that will be added to the path protection. See Chapter 2, “Install Cards
and Fiber-Optic Cable,” and Chapter 4, “Turn Up Node.”
NTP-A44 Provision Path Protection Nodes, page 5-20
Required/As Needed As needed
Onsite/Remote Onsite
Security Level Provisioning or higher
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