Dahua Smart 1U User Manual page 105

Configure the IP address.
Select the DHCP check box, you do not need to enter the IP address information,

because the system will allocate one IP address to the remote device.
Select the STATIC check box, you need to enter the IP address, subnet mast,

default gateway, and incremental value. The system will allocate the IP address to
the remote devices by progressively increasing the last part of the IP address
when initializing devices in batches.
When configuring IP address for multiple remote devices which were not in the same
network segment, these remote devices will belong to the same network segment after
configuration.
Click Next.
The initializing is started. After the process is completed, see Figure 5-74.
Local Configurations 95