文档介绍：常用组播路由协议配置方法1IGMP协议配置1*:Router(config-if)#ipigmpjoin・-ess-list【例如】Router(config)#access-(config)#0Router(config-if)ess-group1ACLnJ'以同时对组播报文的源和H的地址控制,达到过滤组播源,同时也能过滤特定接收主机的作用,例如:DenyallstateforagroupGdenyigmpanyhostGpermitigmpanyanyDenyallstateforasourceSdenyigmphostSanypermitigmpanyanyPermitallstateforagroupGpermitigmpanyhostGPermitallstateforasourceSpermitigmphostSanyFilteraparticularsourceforagroupGdenyigmphostShostGpermitigmpanyhostGIGMP版本切换Router(config・if)#ipigmpversion {2|3}IGMP査询间隔时间:默认60sRouter(config-if)#ipigmpquery-interval120IGMP查询超时时间:默认为2倍的查询间隔时间Router(config-if)#ipigmpquery-timeout30PA1=1IGMP査询最大响应时间:默认为10sRouter(config-if)#ipigmpquery・max・response・,当C收到组播请求后,发送一条PIM-SMjoin的消息给B,B发送一个IGMP的请求到A,A通过一条单播链路将数据传送到B,这个过程就需要一个IGMP的代理,配置如下:【例如】-mode!-modeipigmpunidirectionallink!---modeipigmphelper-0ipigmpproxy-service!-modeipigmpunidirectionallink!-modeipigmpmroute-proxyloopback0!---mode!-(config)#:-leaveThefollowingexampleshowshowtoenableIGMPImmediate-LeaveprocessingonVLAN1:Router(config)#ipigmpsnoopingvlan1immediate-,mandinglobalconfigurationmode・ipigmpsnoopingvlanvl