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3-10 Packet Over SONET Module Installation and User Guide

Configuring the PoS Module

APS Switch Redundancy

Figure 3-5 is an example of a two-switch APS redundancy configuration, in which the

working line is terminated in a PoS module in one BlackDiamond switch, while the

protection line is terminated in a different PoS module in a different BlackDiamond

switch. This configuration expands protection to include line, module, and switch

failures.

Figure 3-5: APS configuration for switch redundancy

PoS_009

BlackDiamond 1

apsvlan

8:1

(Working line)

1234AB5678 1234AB5678

BlackDiamond 3

3:2

(Protection line)

1234AB5678

1:4

6:1

SONET

ring

ADM

BlackDiamond 2

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 177 178

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Extreme Networks PoS Guia do Utilizador Página 58