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multicast question

multicast question

Created: Sep 13, 2020 22:04:00Latest reply: Sep 15, 2020 11:09:53 665 6 0 0 0
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we has topology IPTV provider at own PIM domain, our switch at another PIM domain:

------IPTV domain---------------------------------|------------My PIM domain-----------

source (2.2.2.2) -----------Provider_switch -------- S5331 --------RP-----------Receivers




configuration at S5331


interface Vlanif803
 ip address 1.1.1.2 255.255.255.252
 pim bsr-boundary
 pim sm

 pim hello-option dr-priority 100

 igmp enable
 igmp static-group 239.25.25.225 source 2.2.2.2

Cisco vendor support command

ip igmp join-group that allow order IPTV multicast from neigbor PIM domain.


Has a way at Huawei implement the same topology?




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chenhui
Admin Created Sep 15, 2020 11:09:53

Hi Kolli,
Can you try this https://support.huawei.com/hedex/hdx.do?docid=EDOC1000112057&id=EN-US_TOPIC_0220327274&lang=en

I tried that in the eNSP, but no success. I'm not sure if this is a eNSP bug.
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DDSN
DDSN Admin Created Sep 14, 2020 01:07:04

Hi Kolli,
Please wait patiently. Our engineers are looking for answers to your questions.
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3#
chenhui
chenhui Admin Created Sep 14, 2020 02:35:59

Hi,
Sorry, but I don't get your question clearly.
As the Cisco manual describes, the command 'ip igmp join-group' enables the device to receive the multicast traffic without a real directly-connected receiver or without a Protocol Independent Multicast (PIM) neighbor downstream that sends PIM Join requests for the multicast flow.
And you input 'ip igmp join-group that allow order IPTV multicast from neigbor PIM domain.', do you mean attract the multicast stream from another domain, like from the source 2.2.2.2 in your topology?


BTW, the Cisco also doesn't recommend to use that command. 

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Kolli
Kolli Created Sep 14, 2020 06:50:23 (0) (0)
do you mean attract the multicast stream from another domain, like from the source 2.2.2.2 in your topology?

yes, has we are a way send real igmp request to neigbor device. So neigbor device can start send multicast flow to my domain ?  
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4#
chenhui
chenhui Admin Created Sep 14, 2020 08:03:43

Hi,
You can configure the IGMP static group to attract the multicast stream no matter if there is a multicast user connects to the device.
Kindly rhttps://support.huawei.com/hedex/hdx.do?docid=EDOC1100037168&id=igmp_static-group_2&lang=en
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Kolli
Kolli Created Sep 14, 2020 13:10:24 (0) (0)
we know this command, but it is doesn't work in such scenario. From command description:

The following are two scenarios in which you can configure static multicast groups on user-side interfaces of the switch.

Key words is "on user-side interfaces", but we need order IPTV channel from upstream (where source located) interface, but Huawei command allow configure it only at downstream (receiver) side...
The same as Cisco command "ip igmp static-group";other command &qu 
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5#
chenhui
chenhui Admin Created Sep 15, 2020 11:09:53

Hi Kolli,
Can you try this https://support.huawei.com/hedex/hdx.do?docid=EDOC1000112057&id=EN-US_TOPIC_0220327274&lang=en

I tried that in the eNSP, but no success. I'm not sure if this is a eNSP bug.
View more
  • x
  • convention：
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