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Enterasys Matrix DFE-Gold Series User Manual

Enterasys Matrix DFE-Gold Series
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Configuring DVMRP ip dvmrp
21-52 Routing Protocol Configuration
Configuring DVMRP
Purpose
ToenableandconfiguretheDistanceVectorMulticastRoutingProtocol(DVMRP)onaninterface.
DVMRProutesmulticasttrafficusingatechniqueknownasReversePathForwarding.Whena
routerreceivesapacket,itfloodsthepacketoutofallpathsexcepttheonethatleadsbacktothe
packet’ssource.Doing
soallowsadatastreamtoreachallVLANs(possiblymultipletimes).Ifa
routerisattachedtoasetofVLANsthatdonotwanttoreceivefromaparticularmulticastgroup,
theroutercansenda“prune”messagebackupthedistributiontreetostopsubsequentpackets
from
travelingwheretherearenomembers.DVMRPwillperiodicallyrefloodinordertoreach
anynewhoststhatwanttoreceivefromaparticulargroup.
Commands
ip dvmrp
UsethiscommandtoenableordisableDVMRPonaninterface.
Syntax
ip dvmrp
no ip dvmrp
Parameters
None.
Defaults
None.
Mode
Routercommand,Interfaceconfiguration:Matrix>Router(configif(Vlan1))#
Usage
IGMPmustbeenabledonallVLANsrunningDVMRP.Todothis,usethesetigmpenable
commandasdescribedinsetigmpenableonpage 93.ItisalsorecommendedthatIGMP
queryingbeenabledonallVLANsrunningDVMRP.Todothis,usethesetigmpqueryenable
commandasdescribedinsetigmpqueryenableonpage 96.
Note: IGMP must be enabled on all VLANs running DVMRP. To do this, use the set igmp enable
command as described in “set igmp enable” on page 9-3. It is also recommended that IGMP
querying be enabled on all VLANs running DVMRP. To do this, use the set igmp query-enable
command as described in “set igmp query-enable” on page 9-6.
For information about... Refer to page...
ip dvmrp 21-52
ip dvmrp metric 21-53
show ip dvmrp route 21-53

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Enterasys Matrix DFE-Gold Series Specifications

General IconGeneral
BrandEnterasys
ModelMatrix DFE-Gold Series
CategorySwitch
LanguageEnglish

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