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Enterasys Networks 7H4385-49 Computer Hardware User Manual

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Backplane Connections and Installation Rules

3-6 Installation

Example 5 (Figure 3-1, E)

Showschassisslots1and5populatedwith6x2xxand6x1xxmodules,respectively;slots2

through4withDFE moduleswithoutabridgingmodule;andslots6and7with6x3xx

modules.

Inthismodulearrangement,the6x2xxand6x1xxmodulesinslots1and5canonly

communicatewitheachother,

becausethereisno6x3xxmoduleinoneofthefirstfive

slotstoserveastheproxybridgetocommunicatewiththe6x3xxmodulesinslots6and7.

The7x4xxxDFE modulesinslots2,3,and4willoperateunderoneIPaddress.Sincethere

isnoDFE

bridgingmodule,theDFE moduleswillnotcommunicatewithanyother

modulesinthechassis.

Rule:Inthisexample,theremustbeatleastone6x3xxseriesmodule,andabridging

moduleinanyoftheslots1through5toenablecommunicationsbetweenallgenerations

ofmodulesinthechassis.

Example 6 (Figure 3-1, F)

ThemodulearrangementinthisexampleissimilartotheoneshowninFigure 3‐1,E and

describedinExample5.Theonlydifferenceisthatoneofthebridgingmodules

(7H4382‐25,7H4382‐49,7H4383‐49,or7H4385‐49)isinstalledinslot2,enablingall

modulestocommunicatewith

eachother.The7H4382‐49isusedinthisexample.

Rule:Inthisexample,thebridgingmoduleservesasboththeFTM1‐to‐FTM2bridgeand

thefive‐to‐sevenslotproxybridge.The6x3xxdoesnotserveasaproxybridgeinthis

configurationbecausethebridgingmoduleis

inaslotwithalowernumber.

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