The Arduino Reference text is licensed under a Creative Commons Attribution-Share Alike 3.0 License.

Find anything that can be improved? Suggest corrections and new documentation via GitHub.

Doubts on how to use Github? Learn everything you need to know in this tutorial.

Reference > Libraries > Ethernet > Ethernet.setlocalip

Ethernet - Ethernet.setLocalIP()

Description

Set the IP address of the device. Not for use with DHCP.

Syntax

Ethernet.setLocalIP(local_ip)

Parameters

  • local_ip: the IP address to use (IPAddress)

Returns

Nothing

Example

#include <SPI.h>
#include <Ethernet.h>

byte mac[] = {0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED};
IPAddress ip(10, 0, 0, 177);

void setup() {
  Ethernet.begin(mac, ip);
  IPAddress newIp(10, 0, 0, 178);
  Ethernet.setLocalIP(newIp);  // change the IP address
}

void loop () {}