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

Add an ML-Series Card into an RPR

Add an ML-Series Card into an RPR

An existing RPR might need an ML-Series card added. This can be done without taking down data traffic due to the RPR wrapping capability and ring architecture. You can add the ML-Series card in concert with the addition of the node containing the card into the underlying SONET architecture. You can also add an ML-Series card to a node that is already part of the SONET topology.

The following example has a two-node RPR with two STS circuits connecting the ML-Series cards. One circuit will be deleted. The RPR will wrap traffic on the remaining circuit with as little as a one ping loss. The third node and ML-Series card are then added in, and the spans and circuits for this card are created.

Figure 14-7shows the existing two-node RPR with the single STS circuit and span that will be deleted.

Figure 14-7

Two-Node RPR Before the Addition

 

Adjacent

 

Node 1

 

POS 0

 

POS 1

 

SPR 1

New Node

POS 1

 

POS 0 Adjacent

Node 2

This STS circuit will be deleted.

= STS circuit created on CTC

145992

Figure 14-8shows the RPR after the third node is added with the two new STS circuits and spans that will be added.

 

 

Cisco ONS 15310-CL and Cisco ONS 15310-MA Ethernet Card Software Feature and Configuration Guide R8.5

 

 

 

 

 

 

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Cisco Systems 15310-CL, 15310-MA manual Add an ML-Series Card into an RPR, 14-17

15310-CL, 15310-MA specifications

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