When adding your axis cameras to a switch, pay attention to not enable the VLAN mode on your switch.
VLAN mode configures ports on the switch into "protected ports" resulting in traffic not being able to be forwarded to any other port that's also a protected port.
To be more precise no traffic at Layer 2 can be forwarded between ports on the same switch if both ports are configured as protected ports. A protected port's traffic is unaffected to ports that are not also protected.