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What do you mean about "newer or older", is this about live555? We've just completly changed software, it's used it's on dll's

Nope, but we've managed to found that the problem was in a third party server and it's live555 bug (or idk) request to camera... so we've just changed software :/

It was never switched on .

Yeah, i know it. But why i need it? I have NVR who just get 1 (main stream) from each camera, if i have another NVR or PC-NVR, may be for optimization i will need a multicast.... but now, i think not. Or i'm not right?

Emmm no. Why should i need multicast ? NVR taking just one stream (main) and no other sources. Or i'm wrong?

I was writing about each camera, 104.21 - has two disconnects, another two - nope, but this is kind of “short” period of time. And yesterday I switched all cameras to h.264 smart, and amount of dc dramatically decreased, especially at night. H.265+ has more than 500 dc (11 cameras) H.264+ has...

These 3 cameras are on 1 switch. Street one camera, has two disconnect, but at that moment ping was 0,3 ms ~ and was stable Inside camera, has any disconnects while was ping command. 104.31 - elevator cam, connected via powerline adapter, and it hasn't any offline alarm while was ping...

And what i need to look for? Ping spikes? or "stop responding"? Done several cameras more, everythere the same, and some disconnects happen but there is no any evidance of some camera laggs at all... this camera get 2 Offline Alarm. Seems this problem not in network but in some kind of...

Found smth strange behavior, but don't know the reason of that. But does that jump to just 10 ms can drop stream? Upd. Just checked NVR log, that camera was stable and hasn't any disconnect for 10-15 minutes.

All cams are static IP, if they were wrong or have another network error i think they will not connect at all. IP: 194.168.104.11-34, netmask 255.255.255.0 and default gateway 192.168.104.1 (router)

Already did :/ but nothing's changed...

So we put additional switch between router and NVR, but this not helped :( after 10 minutes IPC offline alarm back :/

This is how our local network look like. In two hours i will try put a switch between main switch and router. Will try that. About cable - we already checked several times... didn't find any clue. And smart codec point - we've were checking all types of settings, h.264 cbr, h.264 vbr...

We have 3 PoE switches, and 4 camera take power from elevator cabine, so the power is not a problem. Also I think, that if camera was down because of power, I cannot saw frames from that moment (mention this situation, when I was try to capture disconnect moment) and another point, is that...

Hello everyone! I have a Dahua CCTV. It has this kind of structure: 1. Mikrotik RB2011iL-IN x 1 2. Dahua 4216-4KS2 x 1 3. D-Link DL-DES-1100-06MP/A1A x 3 4. Dahua HFW4830EP x 3 (outside) 5. Dahua HDW4431EMP x 4 (inside) 6. Dahua HDW4231EMP x 4 (elevator) Camera settings: - Dahua...