Thanks for the response. Is there a non-default way (via C++ API) to select the 
NIC/IP address?  My application may use multicast for other purposes (Web 
service discovery, for example), and I need to have it active on each NIC.

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Subject: live-devel Digest, Vol 157, Issue 1

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Today's Topics:

   1. Multiple NIC - RTSP URL. (Weber, Patrick)
   2. Re: Multiple NIC - RTSP URL. (Ross Finlayson)


----------------------------------------------------------------------

Message: 1
Date: Fri, 2 Dec 2016 15:43:24 +0000
From: "Weber, Patrick" <[email protected]>
To: "[email protected]" <[email protected]>
Subject: [Live-devel] Multiple NIC - RTSP URL.
Message-ID:
        <[email protected]>
Content-Type: text/plain; charset="us-ascii"

My application can have multiple NICs - how do I tell RTSPServer which IP 
address to use?

Patrick Weber
Principal Consultant
[IAC Logo][mesa_recognized_practitioner_logo - Small] Integrated Automation 
Consulting LLC
440-552-5937
www.IntAutomation.com<http://www.intautomation.com/>

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------------------------------

Message: 2
Date: Sat, 3 Dec 2016 05:25:13 +1300
From: Ross Finlayson <[email protected]>
To: LIVE555 Streaming Media - development & use
        <[email protected]>
Subject: Re: [Live-devel] Multiple NIC - RTSP URL.
Message-ID: <[email protected]>
Content-Type: text/plain; charset=utf-8


> On Dec 3, 2016, at 4:43 AM, Weber, Patrick <[email protected]> 
> wrote:
> 
> My application can have multiple NICs ? how do I tell RTSPServer which IP 
> address to use?

By default, the server uses the network interface that?s used for IP multicast 
routing - i.e., the one that has a route for 224.0.0.0/4.  (The reason for this 
is that it uses IP multicast to detect its own IP address.)

So, the easiest way to choose a particular network interface is to reconfigure 
your host so that it uses that network interface for IP multicast routing.  You 
should be able to do this by running (as root):
        route add 224.0.0.0/4 ip-address-for-that-nic

Ross Finlayson
Live Networks, Inc.
http://www.live555.com/




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