[j-nsp] igmp proxy on EX

[Volodymyr.samodid]

Thanks, it helped.

On 05/23/2013 12:43 AM, Tima Maryin wrote:
> Hi,
>
> Maybe MVR could help
>
> http://www.juniper.net/techpubs/en_US/junos/topics/concept/mvr-ex-series.html 
>
>
>
> On 21.05.2013 18:35, Volodymir Samodid wrote:
>> 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
>