Specifications

RoamAbout Mobility System Software Configuration Guide 14-1
14
Configuring and Managing IGMP Snooping
InternetGroupManagementProtocol(IGMP)snoopingcontrolsmulticasttrafficonaRoamAbou t
Switchbyforwardingpacketsforamulticastgrouponlyontheportsthatareconnectedto
membersofthegroup.AmulticastgroupisasetofIPhoststhatreceivetrafficaddressedtoa
specificClassDIP
address,thegroupaddress.
Theswitchlistensformulticastpacketsandmaintainsatableofmulticastgroups,aswellastheir
sourcesandreceivers,basedonthetraffic.IGMPsnoopingisenabledbydefault.
YoucanconfigureIGMP snoopingparametersandenableordisablethefeatureonanindividual
VLAN
basis.
ThecurrentsoftwareversionsupportsIGMPversions1and2.
Disabling or Reenabling IGMP Snooping
IGMPsnoopingisenabledbydefault.Todisableorreenablethefeature,usethefollowing
command:
set igmp {enable | disable} [vlan vlan-id]
IfyoudonotspecifyaVLANID,thechangeisappliedtoallVLANsontheswitch.
For information about... Refer to page...
Disabling or Reenabling IGMP Snooping 14-1
Disabling or Reenabling Proxy Reporting 14-2
Enabling the Pseudo-Querier 14-2
Changing IGMP Timers 14-2
Enabling Router Solicitation 14-3
Configuring Static Multicast Ports 14-4
Displaying Multicast Information 14-4