[SBE] Questions about IP multicasting

[Jonathan Solomon]

Is this ok an MPLS, VPN or similar circuit, or over “public” internet? If
the latter, it will not work. You can not multicast over public internet.

Jonathan Solomon
CSTE, CBNE
On Fri, Dec 22, 2017 at 5:33 PM Yengst, Curt <cyengst at star991.com> wrote:

> There's a router at the transmit end, and a router and the receive end,
> but I have no idea how many routers all this traffic is passing through to
> get there.
>
> I'll have to give Wireshark a try.
>
>
> *Curt Yengst, CSRE*
>
> Engineer
>
> 732-770-3054
>
>
>
>
> Star 99.1 Mission: To love, honor, and serve God, our listeners,
> supporters and staff. (Luke 10:27)
> Star 99.1 / WAWZ(a service of Pillar of Fire, a not-for-profit,
> listener-supported 501-c-3 organization) has been serving families in the
> NJ/NY/PA area for over 80 years.
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> On Fri, Dec 22, 2017 at 5:30 PM, Stu casteel <stu at pacific.net> wrote:
>
>> How many routers/switches in the path?
>>
>>
>>
>> Can you “see” the IP traffic? Use Wireshark with an open Netmask and a
>> public address and “capture all” and see if the packets are there
>>
>>
>>
>> Stu
>>
>> +1.707.972.0953
>>
>> *From:* SBE [mailto:sbe-bounces at sbe.org] *On Behalf Of *Yengst, Curt
>> *Sent:* Friday, December 22, 2017 2:24 PM
>> *To:* sbe member discussion mail list <sbe at sbe.org>
>> *Subject:* Re: [SBE] Questions about IP multicasting
>>
>>
>>
>> That's just it.  I don't really know the correct answer to any of these
>> except that I'm pretty sure the multicast address is in the correct range.
>> 239.192.1.XXX.
>>
>>
>>
>> The routers we have might not be up to the task since I can't seem to
>> find anything in their interfaces for the join/leave requests you mentioned.
>>
>>
>>
>>
>> *Curt Yengst, CSRE*
>>
>> Engineer
>>
>> 732-770-3054
>>
>>
>>
>> [image: Image removed by sender.]
>>
>> Star 99.1 Mission: To love, honor, and serve God, our listeners,
>> supporters and staff. (Luke 10:27)
>> Star 99.1 / WAWZ(a service of Pillar of Fire, a not-for-profit,
>> listener-supported 501-c-3 organization) has been serving families in the
>> NJ/NY/PA area for over 80 years.
>>
>>
>>
>> On Fri, Dec 22, 2017 at 5:15 PM, Stu casteel <stu at pacific.net> wrote:
>>
>> Hi Curt,
>>
>>
>>
>> Just a few that have got me in the past
>>
>>
>>
>> IGMPv2 or IGMPv3?
>>
>>
>>
>> Is the Multicast broadcast in the proper addressing range - are the
>> routers configured to pass join/leave requests?  TTL value high enough to
>> “make it there?”
>>
>>
>>
>> Stu
>>
>> +1.707.972.0953
>>
>> *From:* SBE [mailto:sbe-bounces at sbe.org] *On Behalf Of *Yengst, Curt
>> *Sent:* Friday, December 22, 2017 2:04 PM
>> *To:* sbe member discussion mail list <sbe at sbe.org>
>> *Subject:* [SBE] Questions about IP multicasting
>>
>>
>>
>> Working for a small independent TV station that is trying to set up an
>> STL using TSoIP.  The catch is, they need to feed two separate devices at
>> their tower site with the same TSoIP stream.  The short answer we got from
>> the manufacturer of the ASI-to-TSoIP converter is to configure for IP
>> multicast.
>>
>>
>>
>> I did a rudimentary test with an ASI-to-TSoIP converter going to an
>> ethernet switch and feeding a stream to a corresponding TSoIP-to-ASI
>> converter and to a Sencore decoder with a TSoIP receiver card.  Naturally,
>> that worked because all equipment was connected to the same physical
>> switch.  But, now that I've moved the "receive" end to the transmitter
>> site, I'm having a heap of trouble getting it to work.
>>
>>
>>
>> Searching the web for all things multicast, I'm finding that this is
>> easier said than done.  Has anyone out there in TV Land had any luck with
>> what I'm trying to do?
>>
>>
>> *Curt Yengst, CSRE*
>>
>> Engineer
>>
>> 732-770-3054
>>
>>
>>
>> *Error! Filename not specified.*
>>
>> Star 99.1 Mission: To love, honor, and serve God, our listeners,
>> supporters and staff. (Luke 10:27)
>> Star 99.1 / WAWZ(a service of Pillar of Fire, a not-for-profit,
>> listener-supported 501-c-3 organization) has been serving families in the
>> NJ/NY/PA area for over 80 years.
>>
>>
>>
>> *Error! Filename not specified.*
>> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient>
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>>
>>
>>
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