Black Box LIE1014A - Page 58

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CHAPTER 6: RING VERSION2 APPLICATION
P1
P2ALM
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P2ALM
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P2ALM
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P1
P2ALM
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P1
P2ALM
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P1
P2ALM
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P1
P2ALM
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Ring 1
Ring 2
Central management switch
IP address: 192.168.0.1/24
FIGURE 6-2. RING MASTER AND RING SLAVE SUPPORTED
Group 2 - This supports configuration of the ring, coupling and dual-homing.
 Ring - It could be master or slave.
 Coupling - It could be primary and backup.
1 2
3
P1
P2ALM
4
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2
P1
P2ALM
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P1
P2ALM
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9
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P1
P2ALM
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P1
P2ALM
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P1
P2ALM
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P2ALM
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Ring 1
Ring 2
Coupling
Primary
Master
Backup
Master
FIGURE 6-3. RING CONFIGURATOI, COUPLING AND DUAL HOMING SUPPORTED
 When role is coupling/primary, only one ring port named primary port is configured.
 When role is coupling/backup, only one ring port named backup port is configured. This backup port is a redundant port. In a normal
state, it is blocked.