3Com 5000 ATM manual Configuration cards, 6Example Dual-Homing/Module Redundancy Configuration

1-12CHAPTER 1: INTRODUCTION

Dual-Homing/ModuleFigure 1-6 illustrates the dual-homing/module redundancy configuration Redundancy of two ATM Backbone SwitchModules with redundant ATM OC-3

Configuration cards.

	ATM Backbone
	SwitchModules
Ethernet or FDDI
SwitchModule
Primary	Primary
ATM OC-3	ATM OC-3
LECs 1 to 32	LECs 33 to 64
Redundant	Redundant
ATM OC-3	ATM OC-3
LECs 1 to 32	LECs 33 to 64

ELANs 1 to 64	ELANs 1 to 64
	NNI
ATM Switch A	ATM Switch B

Figure 1-6Example 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.