If anyone has the the issue where your camera is trying to get ARP requests via 169.x.x.x, I turned off spanning tree protocol on my switch port (Unifi) and the SFTP (GitHub - scottlamb/hikvision-tftpd at python3 - this branch uses python3 which is more available) script started working. I did this since I noticed that unifi lists the port as RSTP discarding upon camera boot. If going through multiple switches, disable each port's spanning tree protocol until you reach your TFTP server.
Also, even of the same model, there were different TFTP server addresses (192.168.0.128, 192.168.1.128, even 192.0.0.128).
Make sure you also don't have VLANs turned on, port VLAN profiles, etc. Just get the camera getting a standard DHCP address.
After the firmware update is complete, you can go to 192.168.1.64 and turn back on DHCP. The firmware update seems to force this static ip.
Also, even of the same model, there were different TFTP server addresses (192.168.0.128, 192.168.1.128, even 192.0.0.128).
Make sure you also don't have VLANs turned on, port VLAN profiles, etc. Just get the camera getting a standard DHCP address.
After the firmware update is complete, you can go to 192.168.1.64 and turn back on DHCP. The firmware update seems to force this static ip.
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