Cisco MDS 9700 Series User Manual

DescriptionStatusLED
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Crossbar Fabric Switching Modules
In this section, details about the following crossbar fabric switching modules are provided:
Cisco MDS 9718 Director Crossbar Fabric Switching Modules
The Cisco MDS 9718 Director supports up to six crossbar fabric (xbar) switching modules. The crossbar
fabric switching modules, DS-X9718-FAB1 and DS-X9718-FAB3 are supported. The crossbar fabric switching
modules are installed vertically at the back of the chassis behind the fan modules.
Crossbar fabric switching modules slots 1 and 2 are behind the fan module slot 1, the crossbar fabric switching
modules slots 3 and 4 are behind the fan module slot 2, and crossbar fabric switching modules slots 5 and 6
are behind the fan module slot 3.
Cisco MDS 48-Port 32-Gbps Fiber Channel Switching Module needs a minimum of 6 (DS-X9718-FAB1)
Crossbar Fabric-1 Switching Modules to deliver full bandwidth to all the modules in the switch. Each
DS-X9718-FAB1 Crossbar Fabric-1 Switching Module provides 256-Gbps of fiber channel bandwidth per
slot.
Cisco MDS 48-Port 32-Gbps Fiber Channel Switching Module needs a minimum of 3 (DS-X9718-FAB3)
Crossbar Fabric-3 Switching Modules to deliver full bandwidth to all the modules in the switch. Each
DS-X9718-FAB3 Crossbar Fabric-3 Switching Module provides 512-Gbps of fiber channel bandwidth per
slot. A fourth crossbar fabric switching module is required for N+1 protection.
The DS-X9718-FAB1 Crossbar Fabric-1 Switching Modules are supported from Cisco MDS NX-OS Release
7.3(1) or later. DS-X9718-FAB1 modules are supported only with Supervisor-1E Modules (DS-X97-SF1E-K9).
The DS-X9718-FAB3 Crossbar Fabric-3 Switching Modules are supported from Cisco MDS NX-OS Release
8.4(2a) or later. DS-X9718-FAB3 modules are supported only with Supervisor-4 Module (DS-X97-SF4-K9).
You cannot have a mix of different supervisor modules or a mix of different crossbar fabric switching modules
in a chassis, except during migration of a supervisor module or a crossbar fabric switching module.
Note
Cisco MDS 9700 Series Switches Hardware Installation Guide
32
Product Overview
Crossbar Fabric Switching Modules

Cisco MDS 9700 Series Specifications

General

Brand	Cisco
Model	MDS 9700 Series
Category	Switch
Language	English