Hello all,
I need help of community.
There are several question about multicast and EX.
At this moment I have the following scheme:
----
mcast_iptv_vlan (access) --- host 1
/
/
<ISP> ---- Mcast_iptv_vlan (tagged) ---- ex3200 ---- mcast_iptv_vlan
(access) --- host 2
\
\
----
mcast_iptv_vlan (access) --- host 3
Workstations can join to the multicast group and everything works. On
the EX switch igmp, igmp-snooping services disable, ie it works as a
simple L2.
But I have a lot of user in different vlan and I want to give them the
opportunity to receive a multicast stream.
Scheme should be something like this
----- User_vlan1 (access) --- host 1
/
/
<ISP> ---- Mcast_iptv_vlan (tagged) ---- ex3200 ---- user_vlan2 (access)
--- host 2
\
\
------ User_vlan3 (access) --- host 3
Ex3200 runs as L3 router and default gateway in the user`s vlan.
If I understand right, EX must provide multicast routing. And if it
posible, do not do changes on ISP side.
In the case of Linux router I will use the igmp-proxy. But I would
like to do it on the EX, if it is possible, without additional devices.
I have studied some info from juniper KB but have not found a suitable
solution. If I properly understand proxy option in the igmp-snooping -
allows to proxy traffic only in the same vlan,
not in many at once.
Also i can not test / experiment, because EX under load. It will be
very vary sad, if some thing going wrong/
P.S. Sorry for my English
Regards,
Volodymyr
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