[j-nsp] igmp proxy on EX

[Tima Maryin]

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