Hi.. I am very confused about multicast, May I ask questions as below
1)How to make the Windows PC or unix host join a multicast group let's say
224.0.0.9
2)How to send a multicast traffic or how to test the mulitcast work?
3)I have a WAN router which has joined multicast 224.0.0.2/5/6, may I know
why it should be a multicast group? for what purppose normally. I know
224.0.0.2 is for all routers, 5 is for OSPF, 6 for OSPF designate router.
But whether it is a default setting or we have to make it join group
FastEthernet0/0 is up, line protocol is up
Internet address is 50.100.160.2/22
Broadcast address is 255.255.255.255
Address determined by non-volatile memory
MTU is 1500 bytes
Helper address is not set
Directed broadcast forwarding is disabled
Secondary address 50.100.120.2/27
Secondary address 50.100.122.2/26
Multicast reserved groups joined: 224.0.0.2 224.0.0.5 224.0.0.6
4)Normally in what circumstance, we need to use multicast?
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