diff --git a/libraries/Ethernet/src/ETH.cpp b/libraries/Ethernet/src/ETH.cpp
index bf63de8724d..ef520273020 100644
--- a/libraries/Ethernet/src/ETH.cpp
+++ b/libraries/Ethernet/src/ETH.cpp
@@ -1010,6 +1010,18 @@ bool ETHClass::fullDuplex() const {
   return (link_duplex == ETH_DUPLEX_FULL);
 }
 
+bool ETHClass::setFullDuplex(bool on) {
+  if (_eth_handle == NULL) {
+    return false;
+  }
+  eth_duplex_t link_duplex = on ? ETH_DUPLEX_FULL : ETH_DUPLEX_HALF;
+  esp_err_t err = esp_eth_ioctl(_eth_handle, ETH_CMD_S_DUPLEX_MODE, &link_duplex);
+  if (err != ESP_OK) {
+    log_e("Failed to set duplex mode: 0x%x: %s", err, esp_err_to_name(err));
+  }
+  return err == ESP_OK;
+}
+
 bool ETHClass::autoNegotiation() const {
   if (_eth_handle == NULL) {
     return false;
@@ -1019,6 +1031,17 @@ bool ETHClass::autoNegotiation() const {
   return auto_nego;
 }
 
+bool ETHClass::setAutoNegotiation(bool on) {
+  if (_eth_handle == NULL) {
+    return false;
+  }
+  esp_err_t err = esp_eth_ioctl(_eth_handle, ETH_CMD_S_AUTONEGO, &on);
+  if (err != ESP_OK) {
+    log_e("Failed to set auto negotiation: 0x%x: %s", err, esp_err_to_name(err));
+  }
+  return err == ESP_OK;
+}
+
 uint32_t ETHClass::phyAddr() const {
   if (_eth_handle == NULL) {
     return 0;
@@ -1028,7 +1051,7 @@ uint32_t ETHClass::phyAddr() const {
   return phy_addr;
 }
 
-uint8_t ETHClass::linkSpeed() const {
+uint16_t ETHClass::linkSpeed() const {
   if (_eth_handle == NULL) {
     return 0;
   }
@@ -1037,6 +1060,18 @@ uint8_t ETHClass::linkSpeed() const {
   return (link_speed == ETH_SPEED_10M) ? 10 : 100;
 }
 
+bool ETHClass::setLinkSpeed(uint16_t speed) {
+  if (_eth_handle == NULL) {
+    return false;
+  }
+  eth_speed_t link_speed = (speed == 10) ? ETH_SPEED_10M : ETH_SPEED_100M;
+  esp_err_t err = esp_eth_ioctl(_eth_handle, ETH_CMD_S_SPEED, &link_speed);
+  if (err != ESP_OK) {
+    log_e("Failed to set link speed: 0x%x: %s", err, esp_err_to_name(err));
+  }
+  return err == ESP_OK;
+}
+
 // void ETHClass::getMac(uint8_t* mac)
 // {
 //     if(_eth_handle != NULL && mac != NULL){
diff --git a/libraries/Ethernet/src/ETH.h b/libraries/Ethernet/src/ETH.h
index cbddac065b9..891863e34bf 100644
--- a/libraries/Ethernet/src/ETH.h
+++ b/libraries/Ethernet/src/ETH.h
@@ -192,8 +192,14 @@ class ETHClass : public NetworkInterface {
 
   // ETH Handle APIs
   bool fullDuplex() const;
-  uint8_t linkSpeed() const;
+  bool setFullDuplex(bool on);
+
+  uint16_t linkSpeed() const;
+  bool setLinkSpeed(uint16_t speed);  //10 or 100
+
   bool autoNegotiation() const;
+  bool setAutoNegotiation(bool on);
+
   uint32_t phyAddr() const;
 
   esp_eth_handle_t handle() const;