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Tel: +86-755-26014509/4710/4711 Fax:+86-755-26014506
Website: www.cdatatec.com
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Queryingallinformationofvlanifinterface.
OLT(config)#showinterfacevlanifall
InterfaceIPAddressNetmask
vlanif[100]192.168.100.123255.255.255.0
vlanif[200]192.168.101.123255.255.255.0
9.Multicastmodule
9.1igmp‐snooping
【Command】
igmp‐snoopingenable
igmp‐snoopingdisable
【view】 configview
【parameter】
enable：openthefunctionofigmp‐snoopingofolt
disable：closethefunctionofigmp‐snoopingofolt
【description】
in order to distribute the multicast data packets on the second floor, IGMP Snooping(Internet
Group Management Protocol
Snooping，The Internet group management protocol)run on the
second floor equipment, equipment with the host IGMP Snooping manage and control data
packetforwardingthroughthelisteningfortheIGMPpacketsbetweenthreelayerandhost.
【example】
Openthefunctionofigmp‐snoopingofolt
OLT(config)#igmp‐snoopingenable
9.2igmp‐snoopingfast‐leave
【command】
igmp‐snoopingfast‐leaveswitch
【view】 configview
【parameter】
switch
：
igmp‐snoopingswitchoffast‐leaving，value：on，off
【description】
on：Open the function of igmp‐snooping fast‐leaving of olt.In order to make sure of weather
online or offline,ONT do’t need to send a specific set of quer y message,but updating the local
multicast table ccording to the multicast when
user enable igmp snooping‐quickly leave or ont
receivemulticastmassage.thiscommandisusedtoswitchchannelsfaster
off：Whenuserturnofftheigmpsnooping‐fastleavefunctionorenableigmpsnooping‐quickly
leave,ONTreceivedtheusermulticasttoleaveamessage,youneedtosenda specificset
ofthe
query to confirm user online, if group of query cycle still have not received the user's report
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