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Multicast Problems

Multicast Problems

Latest reply: Nov 18, 2019 02:40:49 236 7 0 0
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TOPOLOGY

Hi friends,

Friends now have 2 layers 3 huawei switch in my hand.(S 9306 ) One of them works as a master and the other as a backup.

The system works in multicast architecture. In this system, multicast streams are made by servers. Servers with PCs are in vlan 10.


My biggest problem here is that the multicast video stream comes too late compared to unicast. So first unicast as the image comes to start recording and then the multicast broadcast stream comes live.I want two broadcast streams to come here at the same time.

(Meanwhile, recording is being done with unicast, live viewing is being done with multicast.)


Master Switch :


system-view


****

igmp-snooping enable


****

vlan10

igmp snooping enable

 

****

interface vlanif 10

ip address 192.168.10.2 255.255.255.0

 vrrp vrid 1 virtual-ip 192.168.10.1

 vrrp vrid 1 priority 254

 vrrp vrid 1 preempt-mode timer delay 20

 igmp enable


Backup Switch :

system-view


****

igmp-snooping enable


****

vlan10

igmp snooping enable

 

****

interface vlanif 10

ip address 192.168.10.3 255.255.255.0

 vrrp vrid 1 virtual-ip 192.168.10.1

 vrrp vrid 1 priority 150

 igmp enable


multicastswitch
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chenhui
Admin Created Nov 12, 2019 11:15:03 Helpful(0) Helpful(0)

@bthgkcay hello,
I'm not very sure what's your situation, maybe you can draw a topology demo to explain it detailedly.
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bthgkcay
Created Nov 13, 2019 14:23:28 Helpful(0) Helpful(0)

Posted by chenhui at 2019-11-12 11:15@bthgkcay hello,I'm not very sure what's your situation, maybe you can draw a topology demo to expla ...

hello my friend,
I shared the topology above.I would like your help.

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chenhui
Admin Created Nov 14, 2019 01:48:05 Helpful(0) Helpful(0)

Posted by bthgkcay at 2019-11-13 14:23hello my friend,I shared the topology above.I would like your help.

hi,
from your demo picture, the recording traffic will firstly transferred to the recording server, then the server multicast the recorded data to the work station 1, and you are stucked in the unsynchronization of the real-time recording images and the monitoring images viewed on the work station 1.
Am I right?

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bthgkcay
Created Nov 14, 2019 06:34:43 Helpful(0) Helpful(0)

Posted by chenhui at 2019-11-14 01:48 Posted by bthgkcay at 2019-11-14 01:48hello my friend,I shared the topology above.I would like your ...
hi,
Yeah, you got it right.
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chenhui
Admin Created Nov 15, 2019 01:28:23 Helpful(0) Helpful(0)

Posted by bthgkcay at 2019-11-14 06:34 hi,Yeah, you got it right.
well, I think it's impossible to eliminate unsynchronization of the two data flow, cause time is required on the multicast server to handle the unicast traffic and send them out with multicast.
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bthgkcay
Created Nov 17, 2019 15:09:22 Helpful(0) Helpful(0)

Posted by chenhui at 2019-11-15 01:28well, I think it's impossible to eliminate unsynchronization of the two data flow, cause time is r ...

hi ,If we prioritize IGMP protocol in QoS settings, can this problem be solved ?

example:

#
cpu-defend policy 1
car packet-type igmp cir 256 cbs 48128

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chenhui
Admin Created Nov 18, 2019 02:40:49 Helpful(0) Helpful(0)

Posted by bthgkcay at 2019-11-17 15:09 Posted by chenhui at 2019-11-17 15:09well, I think it's impossible to eliminate unsynchronization of ...
I don't think this could help.
Maybe you can check if the server could do this, broadcast the traffic simultaneously when receiving the unicast recording traffic.
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