# AI_Repeater ESP8266WiFi WIFI_AP_STA mode

ESP8266 WiFi Router without NAT

WIFI_AP_STA will route traffic from AP side to Sta side. we need to make sure on the main router there is a static route to AP network ie : 192.168.4.0/24

route add 192.168.4.0 netmask 255.255.255.0 gw WiFi.localIP()

otherwise the traffic from main router side will not be routed to 192.168.4.0 network

There is a flaw in library, by default dhcp server will set the softAPIP (interface ip) as the dns server. Where there is no dns service running on it host.

as workaround we have two choices :

a) run dns server on esp8266

b) set the ip correct ip of dns server

we prefer the second option

for esp8266 core 3.0.x :

use LwipDhcpServer.h library

#include

in void setup()

set the dns ip address of station side dns as the entry

dhcpSoftAP.dhcps_set_dns(0, WiFi.dnsIP(0)); dhcpSoftAP.dhcps_set_dns(1, WiFi.dnsIP(1));

for esp8266 core 3.1.x

in void setup()

auto& dserver = WiFi.softAPDhcpServer(); dserver.setDns(WiFi.dnsIP(0));

we could only set single dns entry in this version