[SBE] Questions about IP multicasting

[Stu casteel]

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

 



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