Post: "NDI Multicast Help"
Extracted from these lines
[comment u/LetTheRiotsDrop] What flavor of NDI are you pushing out of those UE-160's ?
[comment u/BlackBurst5994] Check the camera firmware. On August 5th, Panasonic rolled out firmware 2.49, which fixed a lot of NDI and network issues.
“This is real low hanging fruit, but I assume you have windows defender and firewall shut down? I've seen that cause stuttering with NDI before.”
u/CainsCurse8 points · Oct 1, 2026View
“What flavor of NDI are you pushing out of those UE-160's ? Is it full bandwith NDI 4k? Multicast only helps you when your going to multiple destinations, so if its simply a bandwith limitation your issue is probably rooted there. NDI full bandwith is a B*tch, I started doing 40 or 100gb NICs on my larger vMix installs becuase I was sick of dealing with drops.”
u/LetTheRiotsDrop4 points · Oct 1, 2026View
“As this is mixed 10 and 1GBe, Flow Control on the switchports has to be enabled.”
u/fowber3 points · Oct 1, 2026View
“Can you verify which Netgear switch models you are using? Also, super basic troubleshooting but something I've overlooked in the past - are you running Cat6 (or 7/8) Ethernet cables? Possible that a Cat5 snuck in there somewhere? Run a test, set the cameras to 1080p25 and let us know if the same issue occurs. Where are you seeing the issue? On the vMix computer? On the sff-pc? What are the s”
u/Liion_Ronin1 points · Oct 1, 2026View
“Which switch is the Querier on? I’ve seen Netgear be particular about that…”
u/v-b1 points · Oct 1, 2026View
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"signal_id": "3461677d-ae98-5767-a41c-86cf15d02749",
"signal_type": "reddit-company",
"signal_subtype": "customerFeedback",
"detected_at": "2026-10-01T10:11:39+00:00",
"company": {
"name": "Panasonic",
"domain": "panasonic.com"
},
"data": {
"nsfw": false,
"stage": "none",
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"timing": "completed",
"topics": [
"firmware",
"video engineering",
"networking",
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],
"post_id": "1wuvly0",
"summary": "A commenter noted that a Panasonic firmware update (version 2.49) released on August 5th was necessary to fix significant NDI and network issues with their cameras.",
"category": "reliability",
"comments": [
{
"url": "https://www.reddit.com/r/VIDEOENGINEERING/comments/1wuvly0/comment/pd7frso/",
"depth": 0,
"score": 8,
"author": "CainsCurse",
"excerpt": "This is real low hanging fruit, but I assume you have windows defender and firewall shut down? I've seen that cause stuttering with NDI before.",
"posted_at": "2026-10-01T13:38:00.000Z",
"author_url": "https://www.reddit.com/user/CainsCurse/"
},
{
"url": "https://www.reddit.com/r/VIDEOENGINEERING/comments/1wuvly0/comment/pd72lq5/",
"depth": 0,
"score": 4,
"author": "LetTheRiotsDrop",
"excerpt": "What flavor of NDI are you pushing out of those UE-160's ? Is it full bandwith NDI 4k? Multicast only helps you when your going to multiple destinations, so if its simply a bandwith limitation your issue is probably rooted there.\n\n NDI full bandwith is a B*tch, I started doing 40 or 100gb NICs on my larger vMix installs becuase I was sick of dealing with drops.",
"posted_at": "2026-10-01T12:30:42.000Z",
"author_url": "https://www.reddit.com/user/LetTheRiotsDrop/"
},
{
"url": "https://www.reddit.com/r/VIDEOENGINEERING/comments/1wuvly0/comment/pda0tae/",
"depth": 0,
"score": 3,
"author": "fowber",
"excerpt": "As this is mixed 10 and 1GBe, Flow Control on the switchports has to be enabled.",
"posted_at": "2026-10-01T20:20:15.000Z",
"author_url": "https://www.reddit.com/user/fowber/"
},
{
"url": "https://www.reddit.com/r/VIDEOENGINEERING/comments/1wuvly0/comment/pd7i3j1/",
"depth": 0,
"score": 1,
"author": "Liion_Ronin",
"excerpt": "Can you verify which Netgear switch models you are using?\n\n Also, super basic troubleshooting but something I've overlooked in the past - are you running Cat6 (or 7/8) Ethernet cables? Possible that a Cat5 snuck in there somewhere?\n\n Run a test, set the cameras to 1080p25 and let us know if the same issue occurs.\n\n Where are you seeing the issue? On the vMix computer? On the sff-pc?\nWhat are the s",
"posted_at": "2026-10-01T13:49:05.000Z",
"author_url": "https://www.reddit.com/user/Liion_Ronin/"
},
{
"url": "https://www.reddit.com/r/VIDEOENGINEERING/comments/1wuvly0/comment/pd7p92o/",
"depth": 0,
"score": 1,
"author": "v-b",
"excerpt": "Which switch is the Querier on? I’ve seen Netgear be particular about that…",
"posted_at": "2026-10-01T14:22:33.000Z",
"author_url": "https://www.reddit.com/user/v-b/"
},
{
"url": "https://www.reddit.com/r/VIDEOENGINEERING/comments/1wuvly0/comment/pd7ri4o/",
"depth": 0,
"score": 1,
"author": "openreels2",
"excerpt": "As someone else pointed out, multicast is only helpful when sending a source to multiple destinations (so the source does not have to send to each destination individually). With five sources going to one destination the switches will be seeing the full bandwidth of all five, whatever that is. Even the 10Gb link between switches would be overloaded if all five are sending more than 150Mb data.",
"posted_at": "2026-10-01T14:32:54.000Z",
"author_url": "https://www.reddit.com/user/openreels2/"
},
{
"url": "https://www.reddit.com/r/VIDEOENGINEERING/comments/1wuvly0/comment/pdqozd0/",
"depth": 0,
"score": 1,
"author": "BlackBurst5994",
"excerpt": "Enabling multicast and pulling the feed over multicast is the right call in this case.\nCheck the camera firmware. On August 5th, Panasonic rolled out firmware 2.49, which fixed a lot of NDI and network issues.\nIf the firmware is up to date, it's really hard to pinpoint the problem based solely on the description. You'll need to see what’s going on inside, diagnose the network, check if IGMP is wor",
"posted_at": "2026-10-04T03:43:38.000Z",
"author_url": "https://www.reddit.com/user/BlackBurst5994/"
},
{
"url": "https://www.reddit.com/r/VIDEOENGINEERING/comments/1wuvly0/comment/pdrxhh9/",
"depth": 0,
"score": 1,
"author": "dmanh",
"excerpt": "Make sure everything is updated in the chain. Ndi can be weird when stuff is running different versions sometimes.\n\n The main thing I would do though first is I’d port mirror the port your Vmix is on and capture it with a computer running wireshark. If it looks fine check the ports linking the switches, then the camera ports.\n\n If that’s all fine then pull logs on your Vmix pc and see if your Nic",
"posted_at": "2026-10-04T09:17:51.000Z",
"author_url": "https://www.reddit.com/user/dmanh/"
}
],
"evidence": [
"[comment u/LetTheRiotsDrop] What flavor of NDI are you pushing out of those UE-160's ?",
"[comment u/BlackBurst5994] Check the camera firmware. On August 5th, Panasonic rolled out firmware 2.49, which fixed a lot of NDI and network issues."
],
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"post_kind": "image",
"sentiment": "mixed",
"subreddit": "VIDEOENGINEERING",
"event_date": "2026-08",
"post_title": "NDI Multicast Help",
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"source_url": "https://www.reddit.com/r/VIDEOENGINEERING/comments/1wuvly0/ndi_multicast_help/",
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"event_date_text": "On August 5th",
"post_author_url": "https://www.reddit.com/user/SchastorBig/",
"signal_category": "feedback",
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"products_mentioned": [
"UE-160"
]
}
}
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