If the cameras are IP cams and the plan is for Blue Iris to stream from each cam, as long as the cams can support multiple streams (i.e. NVR + Blue Iris), I think it should work (barring any unusual network setup).
If the plan is to have Blue Iris try and pull camera video from the NVR (vs. going directly to the cameras), then I don't know.
Hope you can help with diagnosing my camera situation:
Moving 6 Reolink cameras (4x RLC-410 + 2x RLC-420) from my RLN8-410 NVR to Blue Iris
5 of the 6 cameras are up and running in BI - 1 RLC-420 does not appear available via Find/Inspect.
All cameras are now plugged into a new PoE switch
NVR is still plugged into router.
Simultaneously, ALL cameras still appear in the NVR, but only 5 of 6 appear in BI.
For the camera in question (one of the RLC-420):
Again, perfectly functioning in the NVR, cannot Find/Inspect in BI.
Manually typing in the IP & Find/Inspect yields no results.
Verified that cabling is not the problem
It does appear as an object in the list of connected devices on my router.
I am able to ping the camera successfully.
When I try to directly access the camera via a browser, the IP address cannot be found (worked ok for the other cameras)
Nothing in the NVR seems to let me diagnose the camera
Other than that, yes, I’m operating the NVR and Blue Iris on the same LAN.
I am using both at the same time. Just started with Blue IRIS running on a dedicated Windows 10 PC I had laying around, and I have a 4 port NVR. I have 1 POE camera through a POE switch , one wifi camera and then 4 POE cameras through the NVR. for the 4 cameras on the NVR I am allowing them to continuously record on the NVR, but using BI to capture alerts. It saves on CPU resources on the PC. If an alert does not give me enough information and I want to look at a larger window I can go to the NVR to to look at more data. The cameras not on the NVR are using the PC with BI.
It did take me awhile to get BI to see the cameras behind the NVR, but once I figured it out no problems. My cameras and NVR are Amcrest. Let me know if you need more information.
Reolink's own site offers little info regarding ONVIF compatibility but a seller on amazon says it is, so take that for what it's worth.
I mention this because have you tried ODM ? Put in the IP, user and password and select "live view".
I'm using a 8 port POE HikVision NVR with Blue Iris running simultaneously with a total of 24 cameras on a i5 computer. I don't remember the exact specs anymore since I put everything together over 3 years ago. Everything runs smoothly. I have the Hik blocked from the internet and use using BI to view all cameras.