Installation guide

DFE Module Placement and Installation Rules
DFE-Platinum Series Hardware Installation Guide 3-5
Example 4 (Figure 3-1, D)
Showschassisslots1through5populatedwithamix of6x1xx,6x2xx,and6x3xxmodules
andonlythirdgenerationmodulesinslots6and7.
Inthismodulearrangement,the6x3xxmoduleprovidesaproxybridge,whichenables
the6x1xxand6x2xxmodulestocommunicatewith6x3xxmodulesinslot
6or7.Ifmore
thanone6x3xxmoduleisinstalledinslots1to5,themoduleinthelowestnumberedslot
performstheproxyfunctionforslots6and7.Therefore,ifa6x3xxmoduleisalready
performingtheproxyfunction,andanother6x3xxmoduleisinsertedintoa
lower
numberedslot,connectivitywillbetemporarilyinterrupted,asthenewboardtakesover
theproxyfunction.Whena6x3xxmoduleinalowe rnumberedslotisremoved,andthere
isa6x3xxmoduleinahighernumberedslot,communicationisnotinterrupted.
ForLocalManagement,pluggingtheLocalManagementconnection
intothe6x3xx
moduleswillallowmanagementconnectionstoall6x1xx,6x2xx,and6x3xxmodules.If
theLocalManagementconnection istoa6x1xxor6x2xxboard,onlythemodulesinthe
firstfiveslotswillberecognizedbythemanagementclient.
Rule:Theremustbeatleastone6x3xxmodule
inslots1through5toenable
communicationsbetweenthe6x1xx,6x2xx,and6x3xxmodules.
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sl ots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,7H4385‐49,7H4383‐49,or7H4385‐49)isinstalledinslot2,enablingall
modulestocommunicatewith
eachother.The7H4385‐49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.