From 3157b8f16e93166fd1bc8c3670e9666b84ec0175 Mon Sep 17 00:00:00 2001
From: Filippo Corri <filippo.corri@k-array.com>
Date: Tue, 4 Nov 2025 09:57:32 +0100
Subject: [PATCH] Fix: Resolve ESP_ERR_ESP_NETIF_DHCP_NOT_STOPPED on static IP
 config

---
 src/Ethernet.cpp | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/Ethernet.cpp b/src/Ethernet.cpp
index 599404d..662bef5 100644
--- a/src/Ethernet.cpp
+++ b/src/Ethernet.cpp
@@ -80,8 +80,17 @@ void EthernetClass::begin(uint8_t *mac, IPAddress localIP, IPAddress dnsIP, IPAd
     }
   }
 //  if (config(localIP, gatewayIP, netmask, dnsIP) && beginETH(mac)) {
-  if (beginETH(mac) && config(localIP, gatewayIP, netmask, dnsIP) ) {
-    hwStatus = EthernetHardwareFound;
+  if (beginETH(mac))
+  {
+    if (esp_netif_dhcpc_stop(netif()) != ESP_OK)
+    {
+      log_e("Failed to stop dhcp client");
+      return;
+    }
+    if (config(localIP, gatewayIP, netmask, dnsIP))
+    {
+      hwStatus = EthernetHardwareFound;
+    }
   }
   const unsigned long start = millis();
   while (!linkUp() && ((millis() - start) < 3000)) {