From: Colin Barber (Colin.Barber@telewest.co.uk)
Date: Fri Sep 27 2002 - 11:37:32 GMT-3
enabling pim on an interface automatically enables IGMP.
Colin
-----Original Message-----
From: Khalid Siddiq [mailto:khalid@sys.net.pk]
Sent: 27 September 2002 09:09
To: ccielab@groupstudy.com
Subject: IGMP on ethernet interface
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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