diff --git a/components/esp_eth/test_apps/main/Kconfig.projbuild b/components/esp_eth/test_apps/main/Kconfig.projbuild
index b9ac8825db..61b15841e7 100644
--- a/components/esp_eth/test_apps/main/Kconfig.projbuild
+++ b/components/esp_eth/test_apps/main/Kconfig.projbuild
@@ -30,10 +30,10 @@ menu "esp_eth TEST_APPS Configuration"
 
             config TARGET_ETH_PHY_DEVICE_IP101
                 bool "IP101"
-            config TARGET_ETH_PHY_DEVICE_LAN87XX
+            config TARGET_ETH_PHY_DEVICE_LAN8720
                 bool "LAN8720"
-            config TARGET_ETH_PHY_DEVICE_KSZ80XX
-                bool "KSZ80xx"
+            config TARGET_ETH_PHY_DEVICE_KSZ8041
+                bool "KSZ8041"
             config TARGET_ETH_PHY_DEVICE_RTL8201
                 bool "RTL8201"
             config TARGET_ETH_PHY_DEVICE_DP83848
diff --git a/components/esp_eth/test_apps/main/esp_eth_test_apps.c b/components/esp_eth/test_apps/main/esp_eth_test_apps.c
index 3532df46c4..9a58b7b5fe 100644
--- a/components/esp_eth/test_apps/main/esp_eth_test_apps.c
+++ b/components/esp_eth/test_apps/main/esp_eth_test_apps.c
@@ -164,6 +164,23 @@ TEST_CASE("ethernet io speed/duplex/autonegotiation", "[ethernet]")
     // set new speed
     TEST_ESP_OK(esp_eth_ioctl(eth_handle, ETH_CMD_S_SPEED, &speed));
 
+// *** LAN8720 deviation ***
+// Rationale: When the device is in manual 100BASE-TX or 10BASE-T modes with Auto-MDIX enabled, the PHY does not link to a
+//            link partner that is configured for auto-negotiation. See LAN8720 errata for more details.
+#ifdef CONFIG_TARGET_ETH_PHY_DEVICE_LAN8720
+    esp_eth_phy_reg_rw_data_t reg;
+    uint32_t reg_val;
+    reg.reg_addr = 27;
+    reg.reg_value_p = &reg_val;
+    TEST_ESP_OK(esp_eth_ioctl(eth_handle, ETH_CMD_READ_PHY_REG, &reg));
+    reg_val |= 0x8000;
+    TEST_ESP_OK(esp_eth_ioctl(eth_handle, ETH_CMD_WRITE_PHY_REG, &reg));
+    uint32_t reg_val_act;
+    reg.reg_value_p = &reg_val_act;
+    TEST_ESP_OK(esp_eth_ioctl(eth_handle, ETH_CMD_READ_PHY_REG, &reg));
+    TEST_ASSERT_EQUAL(reg_val, reg_val_act);
+#endif
+
     // start the driver and wait for connection establish
     esp_eth_start(eth_handle);
     bits = xEventGroupWaitBits(eth_event_group, ETH_CONNECT_BIT, true, true, pdMS_TO_TICKS(ETH_CONNECT_TIMEOUT_MS));
@@ -242,6 +259,19 @@ TEST_CASE("ethernet io speed/duplex/autonegotiation", "[ethernet]")
     esp_eth_stop(eth_handle);
     auto_nego_en = true;
     esp_eth_ioctl(eth_handle, ETH_CMD_S_AUTONEGO, &auto_nego_en);
+
+// *** LAN8720 deviation ***
+// Rationale: See above
+#ifdef CONFIG_TARGET_ETH_PHY_DEVICE_LAN8720
+    reg.reg_value_p = &reg_val;
+    TEST_ESP_OK(esp_eth_ioctl(eth_handle, ETH_CMD_READ_PHY_REG, &reg));
+    reg_val &= ~0x8000;
+    TEST_ESP_OK(esp_eth_ioctl(eth_handle, ETH_CMD_WRITE_PHY_REG, &reg));
+    reg.reg_value_p = &reg_val_act;
+    TEST_ESP_OK(esp_eth_ioctl(eth_handle, ETH_CMD_READ_PHY_REG, &reg));
+    TEST_ASSERT_EQUAL(reg_val, reg_val_act);
+#endif
+
     esp_eth_start(eth_handle);
     bits = xEventGroupWaitBits(eth_event_group, ETH_CONNECT_BIT, true, true, pdMS_TO_TICKS(ETH_CONNECT_TIMEOUT_MS));
     TEST_ASSERT((bits & ETH_CONNECT_BIT) == ETH_CONNECT_BIT);
@@ -328,7 +358,7 @@ TEST_CASE("ethernet io loopback", "[ethernet]")
             ESP_LOGI(TAG, "Test with %s Mbps %s duplex.", expected_speed == ETH_SPEED_10M ? "10" : "100", expected_duplex == ETH_DUPLEX_HALF ? "half" : "full");
 // *** KSZ80XX, KSZ8851SNL and DM9051 deviation ***
 // Rationale: do not support loopback at 10 Mbps
-#if defined(CONFIG_TARGET_ETH_PHY_DEVICE_KSZ80XX) || defined(CONFIG_TARGET_ETH_PHY_DEVICE_DM9051)
+#if defined(CONFIG_TARGET_ETH_PHY_DEVICE_KSZ8041) || defined(CONFIG_TARGET_ETH_PHY_DEVICE_DM9051)
             if ((expected_speed == ETH_SPEED_10M)) {
                 TEST_ASSERT_EQUAL(ESP_ERR_INVALID_STATE, esp_eth_ioctl(eth_handle, ETH_CMD_S_SPEED, &expected_speed));
                 continue;
@@ -378,7 +408,7 @@ TEST_CASE("ethernet io loopback", "[ethernet]")
 // *** RTL8201, DP83848 and LAN87xx deviation ***
 // Rationale: do not support autonegotiation with loopback enabled.
 #if defined(CONFIG_TARGET_ETH_PHY_DEVICE_RTL8201) || defined(CONFIG_TARGET_ETH_PHY_DEVICE_DP83848) || \
-    defined(CONFIG_TARGET_ETH_PHY_DEVICE_LAN87XX)
+    defined(CONFIG_TARGET_ETH_PHY_DEVICE_LAN8720)
     TEST_ASSERT_EQUAL(ESP_ERR_INVALID_STATE, esp_eth_ioctl(eth_handle, ETH_CMD_S_AUTONEGO, &auto_nego_en));
     goto cleanup;
 #endif
@@ -397,7 +427,7 @@ TEST_CASE("ethernet io loopback", "[ethernet]")
     TEST_ASSERT((bits & ETH_STOP_BIT) == ETH_STOP_BIT);
 // *** W5500, LAN87xx, RTL8201 and DP83848 deviation ***
 // Rationale: in those cases 'goto cleanup' is used to skip part of the test code. Incasing in #if block is done to prevent unused label error
-#if defined(CONFIG_TARGET_ETH_PHY_DEVICE_W5500) || defined(CONFIG_TARGET_ETH_PHY_DEVICE_LAN87XX) || \
+#if defined(CONFIG_TARGET_ETH_PHY_DEVICE_W5500) || defined(CONFIG_TARGET_ETH_PHY_DEVICE_LAN8720) || \
     defined(CONFIG_TARGET_ETH_PHY_DEVICE_RTL8201) || defined(CONFIG_TARGET_ETH_PHY_DEVICE_DP83848)
 cleanup:
 #endif
diff --git a/components/esp_eth/test_apps/main/esp_eth_test_common.c b/components/esp_eth/test_apps/main/esp_eth_test_common.c
index 0a04d9561e..69f5577abd 100644
--- a/components/esp_eth/test_apps/main/esp_eth_test_common.c
+++ b/components/esp_eth/test_apps/main/esp_eth_test_common.c
@@ -96,9 +96,9 @@ esp_eth_phy_t *phy_init(eth_phy_config_t *phy_config)
     phy_config->phy_addr = ESP_ETH_PHY_ADDR_AUTO;
 #if CONFIG_TARGET_ETH_PHY_DEVICE_IP101
     phy = esp_eth_phy_new_ip101(phy_config);
-#elif CONFIG_TARGET_ETH_PHY_DEVICE_LAN87XX
+#elif CONFIG_TARGET_ETH_PHY_DEVICE_LAN8720
     phy = esp_eth_phy_new_lan87xx(phy_config);
-#elif CONFIG_TARGET_ETH_PHY_DEVICE_KSZ80XX
+#elif CONFIG_TARGET_ETH_PHY_DEVICE_KSZ8041
     phy = esp_eth_phy_new_ksz80xx(phy_config);
 #elif CONFIG_TARGET_ETH_PHY_DEVICE_RTL8201
     phy = esp_eth_phy_new_rtl8201(phy_config);
diff --git a/components/esp_eth/test_apps/sdkconfig.ci.default_ksz8041 b/components/esp_eth/test_apps/sdkconfig.ci.default_ksz8041
index ecb0066f5e..6a6547adf7 100644
--- a/components/esp_eth/test_apps/sdkconfig.ci.default_ksz8041
+++ b/components/esp_eth/test_apps/sdkconfig.ci.default_ksz8041
@@ -6,4 +6,4 @@ CONFIG_ETH_USE_ESP32_EMAC=y
 CONFIG_ESP_TASK_WDT=n
 
 CONFIG_TARGET_USE_INTERNAL_ETHERNET=y
-CONFIG_TARGET_ETH_PHY_DEVICE_KSZ80XX=y
+CONFIG_TARGET_ETH_PHY_DEVICE_KSZ8041=y
diff --git a/components/esp_eth/test_apps/sdkconfig.ci.default_lan8720 b/components/esp_eth/test_apps/sdkconfig.ci.default_lan8720
index 1539599da0..c13b8b5f2c 100644
--- a/components/esp_eth/test_apps/sdkconfig.ci.default_lan8720
+++ b/components/esp_eth/test_apps/sdkconfig.ci.default_lan8720
@@ -6,6 +6,6 @@ CONFIG_ETH_USE_ESP32_EMAC=y
 CONFIG_ESP_TASK_WDT_EN=n
 
 CONFIG_TARGET_USE_INTERNAL_ETHERNET=y
-CONFIG_TARGET_ETH_PHY_DEVICE_LAN87XX=y
+CONFIG_TARGET_ETH_PHY_DEVICE_LAN8720=y
 CONFIG_ETH_RMII_CLK_OUTPUT=y
 CONFIG_ETH_RMII_CLK_OUT_GPIO=17