Cisco Systems 15310-MA, 15310-CL manual 14-18, Three-Node RPR After the Addition

Chapter 14 Configuring Resilient Packet Ring on the ML-Series Card

Add an ML-Series Card into an RPR

Figure 14-8 Three-Node RPR After the Addition

Adjacent Node 1

POS 1POS 0

POS 0		POS 1
	New Node
	SPR 1	Adjacent Node 2
POS 1		POS 0

= STS circuit created on CTC

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To add an ML-Series card to the RPR, you need to complete several general actions:

•Force away any existing non-ML-Series card circuits, such as DS-1, that use the span that will be deleted.

•Shut down the POS ports on the adjacent ML-Series cards for the STS circuit that will be deleted to initiate the RPR wrap.

•Test Ethernet connectivity between the access ports on the existing adjacent ML-Series cards with a test set to ensure that the RPR wrapped successfully.

•Delete the STS circuit that will be replaced by the new circuits. (In Figure 14-7, this is the circuit between Adjacent Node 2, POS 0 and Adjacent Node 1, POS 1.)

•Insert the new node into the ring topology if the node is not already part of the topology.

•Install the ML-Series card and load your initial configuration file or otherwise do an initial configuration of the ML-Series card.

•Ensure the new node is configured with RPR before its POS ports are manually enabled or enabled through the configuration file.

•Create an STS circuit from one of the POS ports of an existing adjacent ML-Series card to a POS port on the new ML-Series card. (In Figure 14-8, this is the circuit between Adjacent Node 2, POS Port 0 and New Node, POS Port 1.)

•Create a second STS circuit from one of the POS ports of the other existing adjacent ML-Series card to the remaining POS port on the new ML-Series card. (In Figure 14-8, this is the circuit between New Node, POS Port 0 and Adjacent Node 1, POS Port 1.)

•Configure the new ML-Series card to join the RPR and enable the POS ports, if the initial configuration file did not already do this.

•Enable the POS ports on the existing adjacent ML-Series cards that connect to the new ML-Series card. (In Figure 14-8, these are Adjacent Node 1, POS Port 1 and Adjacent Node 2, POS Port 0.)

	Cisco ONS 15310-CL and Cisco ONS 15310-MA Ethernet Card Software Feature and Configuration Guide R8.5
14-18	78-18133-01