From: Sean (sean_ccie@yahoo.com.cn)
Date: Fri Sep 27 2002 - 16:45:31 GMT-3
You need "ip pim sparse-dense-mode/dense-mode/sparse-mode".
Cisco router demands pim enabled under interface configuration before IGMP is
enabled.
Sean
--- Khalid Siddiq <khalid@sys.net.pk> 5DU}ND#:> I read that, enabling ip
multicasting on router will enable IGMP ver 2 on
> the ethernet interface, but in my case this is not happening ,
> IOS is flash:/c2500-p-l.121-16.bin"
> Is i am missing something ???
>
> !
> ip multicast-routing
> !
> !
> interface Loopback0
> ip address 130.2.2.8 255.255.255.255
> !
> interface Ethernet0
> ip address 10.1.0.4 255.255.0.0
> ip ospf cost 100
>
> R8#sh ip ig
> R8#sh ip igmp int e 0
> Ethernet0 is up, line protocol is up
> Internet address is 10.1.0.4/16
> IGMP is disabled on interface
> Multicast routing is disabled on interface
> Multicast TTL threshold is 0
> No multicast groups joined
>
> If i enable pim on ethernet interface
>
> !
> interface Ethernet0
> ip address 10.1.0.4 255.255.0.0
> ip pim dense-mode
> ip ospf cost 100
>
> R8#sh ip ig
> R8#sh ip igmp int e 0
> Ethernet0 is up, line protocol is up
> Internet address is 10.1.0.4/16
> IGMP is enabled on interface
> Current IGMP version is 2
> CGMP is disabled on interface
> IGMP query interval is 60 seconds
> IGMP querier timeout is 120 seconds
> IGMP max query response time is 10 seconds
> Last member query response interval is 1000 ms
> Inbound IGMP access group is not set
> IGMP activity: 0 joins, 0 leaves
> Multicast routing is enabled on interface
> Multicast TTL threshold is 0
> Multicast designated router (DR) is 10.1.0.4 (this system)
> IGMP querying router is 10.1.0.4 (this system)
> No multicast groups joined
> R8#
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