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DVS, Mac, and IGMP3
Just found out about this today. The reason I'm putting it up on a Pro Tools forum is that I know a lot of us use Dante Virtual Soundcard to connect Pro Tools to a Dante network.
Over the weekend I was mixing music on an awards show. We used a Dante network to connect two RIO 32s, two CL5s at FOH and Monitors, and I had a CL3 in the truck shipping the music mixes to the production desk. It all worked great except... I ws trying to use DVS and my MacBook to run Nuendo Live as a virtual soundcheck. But no matter what I did, the laptop refused to pass audio and had a red light in the clock window in Dante Controller. Ben, the contractor's system tech, brought his Windows machine in the truck and hooked it up, and Shazam, no problems at all. The next day I brought in a different MacBook (also with DVS) and had the same issue. Since I've used DVS successfully many times in the past on the laptop, I suspected it must be some kind of DVS/Sierra issue, so I started a case with Audinate. Here's their reply: Quote:
Now I'm certainly the last person remotely qualified to have an opinion on this, but my understanding of IGMP snooping is that it's an important tool to keep multicast flows under control and reduce multicast "flooding" over a network. In light of this I'm unsure whether to disable it or go through the whole exercise of checking the settings of every switch in the network to make certain they all support IGMP-3. (In Cisco 300 switches the IGMP snoop settings are under the Multicast tab, BTW.) Yamaha says: Quote:
Peter
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Gypsy: PT Ultimate 2019.5, 12-core Mac Pro 3.46Ghz 64GB OS 10.14.5, HD Native, HD OMNI, 2 Artist Mix, EUCON 18.3, Presonus 32R, Studio One 4.5.1, Quad Eight preamps, Neve 3201 EQs, 2 LA-4s, Malone Design Works desk Laptop: 10.13.6 MacBook Pro 2.8 Core i7, 16G, PT 19.5 Live 9 www.remotewest.com @RemoteWest |
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Re: DVS, Mac, and IGMP3
Further information from Brett at Audinate about disabling IGMP snooping:
Quote:
Peter
__________________
Gypsy: PT Ultimate 2019.5, 12-core Mac Pro 3.46Ghz 64GB OS 10.14.5, HD Native, HD OMNI, 2 Artist Mix, EUCON 18.3, Presonus 32R, Studio One 4.5.1, Quad Eight preamps, Neve 3201 EQs, 2 LA-4s, Malone Design Works desk Laptop: 10.13.6 MacBook Pro 2.8 Core i7, 16G, PT 19.5 Live 9 www.remotewest.com @RemoteWest |
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