[Cerowrt-devel] Multicast

[William Katsak]

It seems that a lot of people are interested in IGMP proxying in order 
to watch multicast IPTV streams from their ISP.

In my case, I am using the router to run two subnets, one for actual 
stuff, another for non-trusted people to use the Internet.

I would like to be able to do Ghost imaging (Ghost is running in the 
primary subnet) of the machines in the non-trusted subnet, but it seems 
that the multicast traffic isn't going through properly. I CAN do this 
within the primary subnet.

I got igmpproxy running and can see the route announcements in the log, 
but I assume I have it mis-configured. Maybe I will go back to pimd and 
play with that.

I guess if all else fails, I can always switch the VLAN of the port that 
serves that segment when I want to do imagine and switch it back later 
:)   ... I just thought this might be a good opportunity to try and see 
if I can get multicast to run properly.

Thanks,
Bill

P.S. This router is still running Sugarland...should that be an issue?


On 04/24/2013 05:30 AM, Dave Taht wrote:
> On Wed, Apr 24, 2013 at 12:25 AM, Mikael Abrahamsson <swmike at swm.pp.se> wrote:
>> On Tue, 23 Apr 2013, Dave Taht wrote:
>>
>>> pimd is included by default.
>>
>> But does pimd really do IGMP-proxying?
> No, it does real IGMP. :)
>
> There may be some firewall issues with it.
>
>> I can't find any mention of IGMP
>> proxying in the pimd manual I found. ISPs generally do not allow residential
>> customers to talk PIM with the network, they expect an IGMP join, which is
>> what an IGMP proxy would do.
> Sample application?
>> --
>> Mikael Abrahamsson    email: swmike at swm.pp.se
>>
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