[SBE] Questions about IP multicasting

[Gary Blievernicht]

 Every network component and service between point A and B has to be IP Multicast enabled, and unfortunately, not all are.


    On Friday, December 22, 2017, 6:06:30 PM EST, Yengst, Curt <cyengst at star991.com> wrote:  
 
 Steve:Thanks for the call.  Since you mentioned you'd be on the road, and we're heading into the holiday weekend, let's talk Tuesday or Wednesday next week.  I look forward to chatting with you.


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.

On Fri, Dec 22, 2017 at 6:01 PM, Steve Brant <sbrant at wvii.com> wrote:

CurtLeft you a voice mail. Maybe canHelp you thru this since I have set up a system similar to what your doing. Left my cell number on your voicemail. 
Best

Steven BrantChief Engineer ABC FOX207 945-6457 ext:3143Sbrant at wvii.com

On Dec 22, 2017, at 17:24, Yengst, Curt <cyengst at star991.com> wrote:


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

 




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

 



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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