Multicast Interconnection Alcatel Switch

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Migas1979
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Posts: 1
Joined: 04 Jan 2018 17:15

Multicast Interconnection Alcatel Switch

Post by Migas1979 »

I have some access switchs Alcatel 64650 connected to a L3 Alcatel switch 6860E.
I would like to have a querier in the L3 switch.
I will have severeal senders and receivers in the access switchs.

I thought in having this config: the comments were added to explain you
L3 switch
ip interface "querier" address 192.168.10.253 vlan 10
ip Multiasct status: Enabled
ip Multicast querying Enabled

L2 switch
ip Multiasct status: Enabled
ip Multicast querying disabled
ip multicast proxying enabled
ip multicast querier-forwarding enabled


Do you agree with me?
But when I do a show ip multicast querier on L3 switch, the querier appears
When I use the same command in the L2 switch (access switch) it is empty
I did a packet capture and there is some kind of multicast management because I am not receiving others group traffic in my switch port...
but I am not receiving the querier packet every 120 seconds.... (Why???? in the access switch port)
And every 120 seconds the receiver (i only used one) is droped from the multicast groups and stops receiving traffic from the multicast group. Some seconds (20) after it the traffic comes back again. Why?
silvio
Alcatel Unleashed Certified Guru
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Posts: 1886
Joined: 01 Jul 2008 10:51
Location: Germany

Re: Multicast Interconnection Alcatel Switch

Post by silvio »

Hi,
your MC config seams to be correct. In vlan 10 a L2 switch should see the ip of the L3 switch as querier.
You are sure that there is a connection in vlan 3 between both switches? You need querier within every vlan. But it will be automaticly with your global MC config (not per vlan).
regards
Silvio
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