[GTER] IGMP Cisco

[Anísio Neto]

Giuliano,

Ainda não testei seus comandos, mas estive estudando eles e parece que eles
resolvem o meu problema. :-)

Obrigado pela ajuda.


2008/2/22, GIULIANO (UOL) <giulianocm at uol.com.br>:
>
> Anisio,
>
> Boa noite,
>
> Habilite o roteamento multicast em modo global:
>
> Router(config)#ip multicast-routing
>
> ... depois habilite o protocolo pim (sparse mode) nas
> interfaces fisicas ou virtuais:
>
> Router(config-if)#ip pim sparse-mode
>
> Acredito que isso fara com que o protocolo IGMPv2 fique
> habilitado em todas as interfaces que tiverem o protocolo
> "pim" habilitado.
>
> Se vc precisar trafegar alguma coisa em multicast ... tambem
> sugiro:
>
> Router(config-if)#ip route-cache flow
> Router(config-if)#ip mroute-cache
>
> ... nas interfaces !!!
>
> e ... em modo global:
>
> Router(config)#ip pim rp-address a.b.x.y -> IP de um dos
> roteadores para centralizar os anuncios multicast de classe
> D.
>
>
> Fiz os testes aqui e parece que funcionou ... veja:
>
> Projeto#show ip igmp interface fastEthernet 0/0
> FastEthernet0/0 is up, line protocol is up
> Internet address is 192.168.10.1/24
> IGMP is disabled on interface
> Multicast routing is disabled on interface
> Multicast TTL threshold is 0
> No multicast groups joined by this system
>
> Apos aplicar os comandos acima descritos ... veja:
>
> Projeto#show ip igmp interface fastEthernet 0/0
> FastEthernet0/0 is up, line protocol is up
> Internet address is 192.168.10.1/24
> IGMP is enabled on interface
> Current IGMP host version is 2
> Current IGMP router version is 2
> IGMP query interval is 60 seconds
> IGMP querier timeout is 120 seconds
> IGMP max query response time is 10 seconds
> Last member query count is 2
> Last member query response interval is 1000 ms
> Inbound IGMP access group is not set
> IGMP activity: 1 joins, 0 leaves
> Multicast routing is enabled on interface
> Multicast TTL threshold is 0
> Multicast designated router (DR) is 192.168.10.1 (this
> system)
> IGMP querying router is 192.168.10.1 (this system)
> Multicast groups joined by this system (number of users):
>      224.0.1.40(1)
>
>
> Att,
>
> Giuliano
>
>
>
>
>
>
> Pessoal,
>
> Tenho dois Cisco 3360G interligados através de um Trunk em
> cima de
> um Port-channel com duas fibras, em cada um dos switchs
> tenha uma porta na
> VLAN4, elas se comunicam sem problemas (unicast), mas
> coloquei um serviço
> que está utilizando IGMPv1 nessas portas. Me parece que o
> IGMPv1 não está
> passando pelo Trunk, segue alguns Shows:
>
> SWT_XX_01#sh ip igmp inter vlan 4
> Vlan4 is up, line protocol is up
> Internet address is 10.X.3.9/24
> IGMP is enabled on interface
> Current IGMP host version is 1
> Current IGMP router version is 1
> IGMP query interval is 60 seconds
> Inbound IGMP access group is not set
> IGMP activity: 2 joins, 0 leaves
> Multicast routing is enabled on interface
> Multicast TTL threshold is 0
> Multicast designated router (DR) is 10.X.3.9 (this system)
> IGMP querying router is 10.X.3.9 (this system)
> Multicast groups joined by this system (number of users):
>      224.0.1.40(1)
>
> SWT_XX_01#sh ip igmp inter port-channel 1
> Port-channel1 is up, line protocol is up
> Internet protocol processing disabled
> IGMP is disabled on interface
> Multicast routing is disabled on interface
> Multicast TTL threshold is 0
> No multicast groups joined by this system
>
> SWT_XX_01#sh ip multicast
> Multicast Routing: enabled
> Multicast Multipath: disabled
> Multicast Route limit: No limit
> Multicast Triggered RPF check: enabled
> Multicast Fallback group mode: Dense
>
>