Thank you for posting. The WVC210 does not have an overwrite feature and will continue to send video until the destination drive is full. The software has the ability to control this of course, along with much more functionality.
If you map a drive to the NAS and record to that drive the software should work the same as if you are recording to a local drive. The software needs to be running in order to overwrite or delete the old files. The hard drive or NAS will simply store them until told to do otherwise by the software.
Cisco has a great solution for Video Surveillance including IP Cameras
and Network Storage Servers. A FAQ is how much bandwidth and disk space
is required to operate Video Surveillance. The answer is 'it depends'.
Depends on Resolution, frame rate, image ...
I used to have a Lynksys N160 router and one day it died suddenly. I
replaced it with a N750 EA3500 router and finally figured out how to do
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Cisco Small Business Engineering has released beta firmware (v 184.108.40.206)
that resolves identified issues with Gmail. Please note this firmware is
beta release and is only available when you open a support case with the
Small Business Support Center. This ...