WiFi.setDNS()
Description
WiFi.setDNS()
allows you to configure the DNS (Domain Name System) server.
Syntax
WiFi.setDNS(dns_server1)
WiFi.setDNS(dns_server1, dns_server2)
Parameters
dns_server1
: the IP address of the primary DNS server
dns_server2
: the IP address of the secondary DNS server
Returns
Nothing
Example
This example shows how to set the Google DNS (8.8.8.8). You can set it as an object IPAddress
.
#include <WiFi.h> // the IP address for the shield: IPAddress dns(8, 8, 8, 8); //Google dns char ssid[] = "yourNetwork"; // your network SSID (name) char pass[] = "secretPassword"; // your network password (use for WPA, or use as key for WEP) int status = WL_IDLE_STATUS; void setup() { // Initialize serial and wait for port to open: Serial.begin(9600); while (!Serial) { ; // wait for serial port to connect. } // check for the presence of the shield: if (WiFi.status() == WL_NO_SHIELD) { Serial.println("WiFi shield not present"); while(true); // don't continue } // attempt to connect to Wifi network: while ( status != WL_CONNECTED) { Serial.print("Attempting to connect to SSID: "); Serial.println(ssid); // Connect to WPA/WPA2 network. Change this line if using open or WEP network: status = WiFi.begin(ssid, pass); // wait 10 seconds for connection: delay(10000); } // print your WiFi shield's IP address: WiFi.setDNS(dns); Serial.print("Dns configured."); } void loop () { }
The text of the 86Duino reference is a modification of the Arduino reference, and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.