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C
HAPTER
1: I
NTRODUCTION
Dual-Homing/Module
Redundancy
Configuration
Figure 1-6 illustrates the dual-homing/module redundancy configuration
of two ATM Backbone SwitchModules with redundant ATM OC-3
cards.
Figure 1-6
Example Dual-Homing/Module Redundancy Configuration
The LECs in the example configuration of Figure 1-6 can be manually
distributed between the two ATM Backbone SwitchModules in any
combination.
ATM Switch B
ELANs 1 to 64
ATM Switch A
ATM Backbone
SwitchModules
Primary
ATM OC-3
LECs 1 to 32
Redundant
ATM OC-3
LECs 1 to 32
Ethernet or FDDI
SwitchModule
ELANs 1 to 64
Redundant
ATM OC-3
LECs 33 to 64
Primary
ATM OC-3
LECs 33 to 64
NNI