From: shuyir.chang4@juno.com
Date: Sat Jun 07 2003 - 12:29:14 GMT-3
The multicast can be enabled on layer 2 or layer 3 for 3550 switches.
If multicast is enabled on layer 2, I want switch port f0/5 to join multicast group 224.1.1.1,
I have to get 224.1.1.1s Mac address 0001.0002.0003
I configure as following:
ip igmp snooping vlan 56 static 0001.0002.0003 interface f0/5
Is this correct?
Question 1:
How about if I want to deny f0/5 to join 224.1.1.1 (0001.0002.0003) group?
Do I need to enable layer 3 multicast-routing and use command ip igmp access-group to accomplish this?
Question 2
If multicast is enabled on layer 3, I want switch to join groups from 224.0.0.0 to 232.255.255.255 how do I configure it?
1. The command ip igmp-join group only allows one to manually input one by one. How about these range of the groups? What command I do have to use?
2. There are some reserved groups from 224.0.0.0 to 224.0.0.255 that have to be denied.
What command can do this? I tried to use ip igmp access-group 99, but it does not work.
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