Zte ZXR10 2910E-PS User Manual

Chapter4ServiceConguration
InthedomainshowninFigure4-56,aseriesportsaredenedonperipheralandinternal
devices.Thegreyportsontheperipheraldevicesareserviceportsconnectedtothe
externaldevicesandthereforearenamedMaintenanceassociationEndPoint(MEP).The
otherblackports(includingthoseonintermediatedevices)connectinternaldevicesand
thereforearenamedMaintenanceDomainIntermediatePoint(MIP).Themanagement
functionisimplementedthroughthedenedMEPandMIP .
AsshowninFigure4-57,anetworkisdividedintoacustomerdomain,providerdomain,
andoperatordomain.Alevelbetween0-7isdesignatedforeachdomain.Thedomain
leveldeterminestheinclusionrelationbetweendomains.Adomainwithahigherlevelcan
includedomainswithlowerlevelsbutnotviceversa.Thedomainswiththesamelevel
cannotincludeeachother.Thismeansthatalldomainscanbetangential(internallyor
externally)andinclusivebutcannotbeintersecting.
Figure4-57DomainsintheNetwork
ThemessagetypesdenedintheCFMprotocolinclude:
lContinuityCheckMessage(CCM):AmulticastCFMprotocoldataunit.Itis
periodicallysentbyanMEPtoconrmtheconnectivityofMEPinthesameMA.An
MEPreceivingaCCMmessagedoesnotreplytothismessage.
lLinkTraceMessage(LTM):AmulticastCFMprotocoldataunit.ItissentbyanMEP
totracethepathfromtheMEPtotheMP .EachMPalongthepathgeneratesanLRT
asaresponse.Thisendsuntilthemessagereachesthedestinationorcannotbe
furtherforwarded.
lLinkTraceReply(LTR):AunicastCFMprotocoldataunit.ItissentbytheMPreceiving
anLTMtoreplytotheLTM.
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SJ-20120409144109-002|2012-07-02(R1.0)ZTEProprietaryandCondential

Zte ZXR10 2910E-PS Specifications

General

Model	ZXR10 2910E-PS
Category	Switch
PoE	Yes
Switching Capacity	20 Gbps
Forwarding Rate	14.88 Mpps
Layer	Layer 2
MAC Address Table	8K
VLANs	4K
MTBF	> 100, 000 hours
Dimensions (W x D x H)	440 x 220 x 44 mm
Weight	3.5 kg
Operating Temperature	0°C to 45°C
Storage Temperature	-40°C to 70°C
Jumbo Frame	9K bytes
Power Supply	AC 100-240V, 50/60Hz
Operating Humidity	10% to 90% (non-condensing)
Storage Humidity	5% to 95% (non-condensing)