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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.
BlackDiamond 1
1
2
3
4
A
B
5
6
6:1
apsvlan
BlackDiamond 3
6:1
1
2
3
4
A
B
5
6
Figure 3-5: APS configuration for switch redundancy
3-10
7
8
ADM
8:1
(Working line)
7
8
3:2
(Protection line)
BlackDiamond 2
1
2
3
4
SONET
ring
1:4
Packet Over SONET Module Installation and User Guide
A
B
5
6
7
8
PoS_009
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