Product Function; Network Parameters; Ip Address Type - Ebyte NB114 User Manual

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Chengdu Ebyte Electronic Technology Co., Ltd.

4. Product function

The IP address is the identification of the module in the LAN, which is unique in the LAN.

Therefore, it cannot be duplicated with other devices in the same LAN. The IP address of the

module can be obtained by static IP and DHCP.

（1） Static IP: The static IP needs to be set manually by the user. In the process of setting,

pay attention to writing the IP, subnet mask and gateway at the same time. The static IP

is suitable for the scenario where the IP and device need to be counted and

corresponding one by one.

Advantages: access to devices that cannot be assigned IP addresses can be searched

through the full-segment broadcast mode, which is convenient for unified management;

Disadvantages: Different intranet segments in different LANs lead to the failure of

normal TCP/UDP communication.

（2） Dynamic DHCP: DHCP is mainly used to dynamically obtain IP address, gateway

address, DNS server address and other information from the gateway host, thus

eliminating the tedious steps of setting IP address. It is applicable to scenarios where

there is no requirement for IP and no requirement for one-to-one correspondence

between IP and modules.

Advantages: The access router and other devices with DHCP server can communicate

directly, reducing the trouble of setting IP address gateway and subnet mask.

Disadvantages: If the module is connected to a network without a DHCP server, for

example, if it is directly connected to a computer, the module will not work properly.

The subnet mask is mainly used to determine the network number and host number of

the IP address, indicate the number of subnets, and determine whether the module is in the

subnet.

The subnet mask must be set. Our commonly used Class C subnet mask is

255.255.255.0, the network number is the first 24 digits, the host number is the last 8 digits,

NB114 User Manual

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