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Cisco ONS 15454 SDH Procedure Guide, R7.0
78-17194-01
Chapter 14 Add and Remove Nodes
NTP- D105 Add an SNCP Node
NTP-D105 Add an SNCP Node
Step 1 According to local site practice, complete the “NTP-D108 Back Up the Database” procedure on
page 15-5 for all the nodes in the ring.
Step 2 Log into an existing node in the SNCP where you want to add a node. See the “DLP-D60 Log into CTC”
task on page 17-49 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-D298 Check the Network for Alarms and Conditions” task on page 19-83 to verify
that the SNCP is free of major alarms or problems. If trouble is indicated (for example, a major alarm
exists), resolve the problem before proceeding. See Chapter 9, “Manage Alarms” or, if necessary, refer
to the Cisco ONS 15454 SDH Troubleshooting Guide.
Step 4 Count the total number of circuits on the fiber that is cut between the existing nodes. To count the number
of circuits, right click on the fiber that is cut, and click circuits.
Step 5 In network view, click the Circuits tab.
To view Partial circuits, click the Filter button and select PARTIAL from the Status drop-down list.
The Partial circuits, if any, are displayed.
To view Partial_TL1 circuits, click the Filter button and select PARTIAL_TL1 from the Status
drop-down list. The Partial_TL1 circuits, if any, are displayed.
Resolve any partial circuits (both Partial and Partial_TL1) in the network before proceeding. However,
if you want to continue with Step 6, match the number of partial circuits and circuit names that existed
before and after adding a path protection node. This ensures that no additional partial circuits are created
after this procedure is completed.
Step 6 Verify the card installation on the new node. See the “NTP-D24 Verify Card Installation” procedure on
page 4-2. Check that the STM-N cards that will serve as the SNCP trunk (span) cards match the SNCP
optical rate of the trunk cards to which the new node will be connected. For example, if the adjacent
nodes have STM-16 trunk cards, the new node must have STM-16 cards installed. If the STM-N cards
are not installed or the rate does not match the rate of the adjacent node trunk cards, complete the
“NTP-D16 Install STM-N Cards and Connectors” procedure on page 2-7 to install them.
Step 7 Verify that fiber is available to connect the new node to the existing nodes.
Step 8 Complete the “NTP-D35 Verify Node Turn-Up” procedure on page 5-2.
Step 9 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 tab, 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 an SNCP ring.
Tools/Equipment None
Prerequisite Procedures Cards must be installed and node turn-up procedures completed on the
node that will be added to the SNCP ring. See Chapter 2, “Install Cards and
Fiber-Optic Cable,” and Chapter 4, “Turn Up a Node.”
Required/As Needed As needed
Onsite/Remote Onsite
Security Level Superuser
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