Zte ZXR10 5250-28SM - IGMP Snooping Configuration

ZXR105250SeriesCongurationGuide
Theaboveresultisduetophysicallinkfailure.Itisrecommendedtocheckthephysical
linkstatus.
5.7IGMPSnoopingConguration
IGMPSnoopingOverview
Becausethemulticastaddressisnotinthesourceaddressofthepacket,theswitchcannot
learnthemulticastaddress.Whentheswitchreceivesamulticastmessage,itsendsthe
messagetoalltheportsinthesameVLAN.Ifnomeasureistaken,unwantedmulticast
messagesmaybespreadtoeachnodeofthenetwork,causingagreatwasteofnetwork
bandwidthresource.
WiththeIGMPSnoopingfunction,theIGMPcommunicationbetweenthehostandrouter
issnooped,sothatthemulticastpacketsaresenttotheportsinthemulticastforwarding
table,insteadofallports.ThisrestrictstheoodingofmulticastmessagesintheLAN
switch,reducesthewasteofnetworkbandwidth,andimprovestheutilizationrateofthe
switch.
ConguringIGMPSnooping
TheIGMPSnoopingcongurationincludesthefollowingcommands:
CommandFunction
zte(cfg)#setigmpsnooping{enable|disable}EnablesordisablestheIGMP
Snoopingfunction.
zte(cfg)#setigmpsnooping{add|delete}vlan<vlanlist>AddsordeletestheIGMP
Snoopingfunctionto/fromthe
speciedVLAN.
zte(cfg)#setigmpsnooping{add|delete}maxnum
<1-1024>{vlan<vlanlist>|port<portlist>[replace]
Setsorclearsthemaximum
multicastgroupnumberonthe
speciedVLAN/port.Thereplace
keywordmeanstoreplacethe
querygroupwhichdoesnot
respondforthelongestperiod.
zte(cfg)#setigmpsnoopingdeletehostDeletesalldynamicmulticast
users.
zte(cfg)#setigmpsnoopingmonitor-ring{enable|disable}EnablesordisablestheIGMPring
monitoringfunction.
zte(cfg)#setigmpsnoopingvlan<1-4094>{add|delete}group
<A.B.C.D>[port<portlist>|trunk<trunklist>]
Addsordeletesstaticmulticast
groupbasedontheVLAN.
zte(cfg)#setigmpsnoopingvlan<1-4094>{add|delete}smr
{port<portlist>|trunk<trunklist>}
Addsordeletesroutingportor
trunkonthespeciedVLAN.
5-20
SJ-20131111172707-002|2013-11-27(R1.0)ZTEProprietaryandCondential