diff --git a/.gitlab/ci/target-test.yml b/.gitlab/ci/target-test.yml
index 8f5a412ce9..ef7b5c7302 100644
--- a/.gitlab/ci/target-test.yml
+++ b/.gitlab/ci/target-test.yml
@@ -117,10 +117,9 @@ example_test_001D:
 
 example_test_OTA:
   extends: .example_test_esp32_template
-  parallel: 2
   tags:
     - ESP32
-    - Example_WIFI_OTA
+    - EXAMPLE_ETH_OTA
 
 example_test_protocols:
   extends: .example_test_esp32_template
@@ -129,6 +128,13 @@ example_test_protocols:
     - ESP32
     - Example_WIFI_Protocols
 
+# This job is only triggered by env var `NIGHTLY_RUN`, please do NOT remove
+example_test_esp32_WIFI_OTA:
+  extends: .example_test_esp32_template
+  tags:
+    - ESP32
+    - Example_WIFI_OTA
+
 example_test_002:
   extends: .example_test_esp32_template
   image: $CI_DOCKER_REGISTRY/ubuntu-test-env$BOT_DOCKER_IMAGE_TAG
diff --git a/examples/system/ota/advanced_https_ota/example_test.py b/examples/system/ota/advanced_https_ota/example_test.py
index add492514e..6c3fa358d4 100644
--- a/examples/system/ota/advanced_https_ota/example_test.py
+++ b/examples/system/ota/advanced_https_ota/example_test.py
@@ -105,7 +105,7 @@ def start_redirect_server(ota_image_dir, server_ip, server_port, redirection_por
     httpd.serve_forever()
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='EXAMPLE_ETH_OTA')
 def test_examples_protocol_advanced_https_ota_example(env, extra_data):
     """
     This is a positive test case, which downloads complete binary file multiple number of times.
@@ -135,7 +135,7 @@ def test_examples_protocol_advanced_https_ota_example(env, extra_data):
     for i in range(iterations):
         dut1.expect('Loaded app from partition at offset', timeout=30)
         try:
-            ip_address = dut1.expect(re.compile(r' sta ip: ([^,]+),'), timeout=30)
+            ip_address = dut1.expect(re.compile(r' (sta|eth) ip: ([^,]+),'), timeout=30)
             print('Connected to AP with IP: {}'.format(ip_address))
         except DUT.ExpectTimeout:
             raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
@@ -150,7 +150,7 @@ def test_examples_protocol_advanced_https_ota_example(env, extra_data):
     thread1.terminate()
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='EXAMPLE_ETH_OTA')
 def test_examples_protocol_advanced_https_ota_example_truncated_bin(env, extra_data):
     """
     Working of OTA if binary file is truncated is validated in this test case.
@@ -189,7 +189,7 @@ def test_examples_protocol_advanced_https_ota_example_truncated_bin(env, extra_d
     dut1.start_app()
     dut1.expect('Loaded app from partition at offset', timeout=30)
     try:
-        ip_address = dut1.expect(re.compile(r' sta ip: ([^,]+),'), timeout=30)
+        ip_address = dut1.expect(re.compile(r' (sta|eth) ip: ([^,]+),'), timeout=30)
         print('Connected to AP with IP: {}'.format(ip_address))
     except DUT.ExpectTimeout:
         raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
@@ -203,7 +203,7 @@ def test_examples_protocol_advanced_https_ota_example_truncated_bin(env, extra_d
     thread1.terminate()
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='EXAMPLE_ETH_OTA')
 def test_examples_protocol_advanced_https_ota_example_truncated_header(env, extra_data):
     """
     Working of OTA if headers of binary file are truncated is vaildated in this test case.
@@ -241,7 +241,7 @@ def test_examples_protocol_advanced_https_ota_example_truncated_header(env, extr
     dut1.start_app()
     dut1.expect('Loaded app from partition at offset', timeout=30)
     try:
-        ip_address = dut1.expect(re.compile(r' sta ip: ([^,]+),'), timeout=30)
+        ip_address = dut1.expect(re.compile(r' (sta|eth) ip: ([^,]+),'), timeout=30)
         print('Connected to AP with IP: {}'.format(ip_address))
     except DUT.ExpectTimeout:
         raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
@@ -255,7 +255,7 @@ def test_examples_protocol_advanced_https_ota_example_truncated_header(env, extr
     thread1.terminate()
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='EXAMPLE_ETH_OTA')
 def test_examples_protocol_advanced_https_ota_example_random(env, extra_data):
     """
     Working of OTA if random data is added in binary file are validated in this test case.
@@ -292,7 +292,7 @@ def test_examples_protocol_advanced_https_ota_example_random(env, extra_data):
     dut1.start_app()
     dut1.expect('Loaded app from partition at offset', timeout=30)
     try:
-        ip_address = dut1.expect(re.compile(r' sta ip: ([^,]+),'), timeout=30)
+        ip_address = dut1.expect(re.compile(r' (sta|eth) ip: ([^,]+),'), timeout=30)
         print('Connected to AP with IP: {}'.format(ip_address))
     except DUT.ExpectTimeout:
         raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
@@ -306,7 +306,7 @@ def test_examples_protocol_advanced_https_ota_example_random(env, extra_data):
     thread1.terminate()
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='EXAMPLE_ETH_OTA')
 def test_examples_protocol_advanced_https_ota_example_chunked(env, extra_data):
     """
     This is a positive test case, which downloads complete binary file multiple number of times.
@@ -329,7 +329,7 @@ def test_examples_protocol_advanced_https_ota_example_chunked(env, extra_data):
     dut1.start_app()
     dut1.expect('Loaded app from partition at offset', timeout=30)
     try:
-        ip_address = dut1.expect(re.compile(r' sta ip: ([^,]+),'), timeout=30)
+        ip_address = dut1.expect(re.compile(r' (sta|eth) ip: ([^,]+),'), timeout=30)
         print('Connected to AP with IP: {}'.format(ip_address))
     except DUT.ExpectTimeout:
         raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
@@ -342,7 +342,7 @@ def test_examples_protocol_advanced_https_ota_example_chunked(env, extra_data):
     chunked_server.kill()
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='EXAMPLE_ETH_OTA')
 def test_examples_protocol_advanced_https_ota_example_redirect_url(env, extra_data):
     """
     This is a positive test case, which starts a server and a redirection server.
@@ -375,7 +375,7 @@ def test_examples_protocol_advanced_https_ota_example_redirect_url(env, extra_da
     dut1.start_app()
     dut1.expect('Loaded app from partition at offset', timeout=30)
     try:
-        ip_address = dut1.expect(re.compile(r' sta ip: ([^,]+),'), timeout=30)
+        ip_address = dut1.expect(re.compile(r' (sta|eth) ip: ([^,]+),'), timeout=30)
         print('Connected to AP with IP: {}'.format(ip_address))
     except DUT.ExpectTimeout:
         raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
@@ -436,7 +436,7 @@ def test_examples_protocol_advanced_https_ota_example_anti_rollback(env, extra_d
     # Positive Case
     dut1.expect('Loaded app from partition at offset', timeout=30)
     try:
-        ip_address = dut1.expect(re.compile(r' eth ip: ([^,]+),'), timeout=30)
+        ip_address = dut1.expect(re.compile(r' (sta|eth) ip: ([^,]+),'), timeout=30)
         print('Connected to AP with IP: {}'.format(ip_address))
     except DUT.ExpectTimeout:
         raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
@@ -447,7 +447,7 @@ def test_examples_protocol_advanced_https_ota_example_anti_rollback(env, extra_d
     print('writing to device: {}'.format('https://' + host_ip + ':' + str(server_port) + '/' + bin_name))
     dut1.write('https://' + host_ip + ':' + str(server_port) + '/' + bin_name)
     dut1.expect('Loaded app from partition at offset', timeout=60)
-    dut1.expect(re.compile(r' eth ip: ([^,]+),'), timeout=30)
+    dut1.expect(re.compile(r' (sta|eth) ip: ([^,]+),'), timeout=30)
     dut1.expect('App is valid, rollback cancelled successfully', 30)
 
     # Negative Case
@@ -460,7 +460,7 @@ def test_examples_protocol_advanced_https_ota_example_anti_rollback(env, extra_d
     thread1.terminate()
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='EXAMPLE_ETH_OTA')
 def test_examples_protocol_advanced_https_ota_example_partial_request(env, extra_data):
     """
     This is a positive test case, to test OTA workflow with Range HTTP header.
@@ -489,7 +489,7 @@ def test_examples_protocol_advanced_https_ota_example_partial_request(env, extra
     dut1.start_app()
     dut1.expect('Loaded app from partition at offset', timeout=30)
     try:
-        ip_address = dut1.expect(re.compile(r' sta ip: ([^,]+),'), timeout=30)
+        ip_address = dut1.expect(re.compile(r' (sta|eth) ip: ([^,]+),'), timeout=30)
         print('Connected to AP with IP: {}'.format(ip_address))
     except DUT.ExpectTimeout:
         Utility.console_log('ENV_TEST_FAILURE: Cannot connect to AP')
@@ -507,7 +507,7 @@ def test_examples_protocol_advanced_https_ota_example_partial_request(env, extra
     thread1.terminate()
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA', nightly_run=True)
 def test_examples_protocol_advanced_https_ota_example_nimble_gatts(env, extra_data):
     """
     Run an OTA image update while a BLE GATT Server is running in background. This GATT server will be using NimBLE Host stack.
@@ -552,7 +552,7 @@ def test_examples_protocol_advanced_https_ota_example_nimble_gatts(env, extra_da
     thread1.terminate()
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA', nightly_run=True)
 def test_examples_protocol_advanced_https_ota_example_bluedroid_gatts(env, extra_data):
     """
     Run an OTA image update while a BLE GATT Server is running in background. This GATT server will be using Bluedroid Host stack.
@@ -597,7 +597,7 @@ def test_examples_protocol_advanced_https_ota_example_bluedroid_gatts(env, extra
     thread1.terminate()
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='EXAMPLE_ETH_OTA')
 def test_examples_protocol_advanced_https_ota_example_openssl_aligned_bin(env, extra_data):
     """
     This is a test case for esp_http_client_read with binary size multiple of 289 bytes
@@ -630,7 +630,7 @@ def test_examples_protocol_advanced_https_ota_example_openssl_aligned_bin(env, e
     dut1.start_app()
     dut1.expect('Loaded app from partition at offset', timeout=30)
     try:
-        ip_address = dut1.expect(re.compile(r' sta ip: ([^,]+),'), timeout=30)
+        ip_address = dut1.expect(re.compile(r' (sta|eth) ip: ([^,]+),'), timeout=30)
         print('Connected to AP with IP: {}'.format(ip_address))
     except DUT.ExpectTimeout:
         raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
diff --git a/examples/system/ota/advanced_https_ota/sdkconfig.ci b/examples/system/ota/advanced_https_ota/sdkconfig.ci
index 0edbed76b0..04a2c93441 100644
--- a/examples/system/ota/advanced_https_ota/sdkconfig.ci
+++ b/examples/system/ota/advanced_https_ota/sdkconfig.ci
@@ -2,3 +2,13 @@ CONFIG_EXAMPLE_FIRMWARE_UPGRADE_URL="FROM_STDIN"
 CONFIG_EXAMPLE_SKIP_COMMON_NAME_CHECK=y
 CONFIG_EXAMPLE_SKIP_VERSION_CHECK=y
 CONFIG_EXAMPLE_OTA_RECV_TIMEOUT=3000
+
+CONFIG_EXAMPLE_CONNECT_ETHERNET=y
+CONFIG_EXAMPLE_CONNECT_WIFI=n
+CONFIG_EXAMPLE_USE_INTERNAL_ETHERNET=y
+CONFIG_EXAMPLE_ETH_PHY_IP101=y
+CONFIG_EXAMPLE_ETH_MDC_GPIO=23
+CONFIG_EXAMPLE_ETH_MDIO_GPIO=18
+CONFIG_EXAMPLE_ETH_PHY_RST_GPIO=5
+CONFIG_EXAMPLE_ETH_PHY_ADDR=1
+CONFIG_EXAMPLE_CONNECT_IPV6=y
diff --git a/examples/system/ota/advanced_https_ota/sdkconfig.ci.partial_download b/examples/system/ota/advanced_https_ota/sdkconfig.ci.partial_download
index a0d2e342f1..37413c2912 100644
--- a/examples/system/ota/advanced_https_ota/sdkconfig.ci.partial_download
+++ b/examples/system/ota/advanced_https_ota/sdkconfig.ci.partial_download
@@ -5,3 +5,13 @@ CONFIG_EXAMPLE_OTA_RECV_TIMEOUT=3000
 CONFIG_EXAMPLE_ENABLE_PARTIAL_HTTP_DOWNLOAD=y
 
 CONFIG_LOG_DEFAULT_LEVEL_DEBUG=y
+
+CONFIG_EXAMPLE_CONNECT_ETHERNET=y
+CONFIG_EXAMPLE_CONNECT_WIFI=n
+CONFIG_EXAMPLE_USE_INTERNAL_ETHERNET=y
+CONFIG_EXAMPLE_ETH_PHY_IP101=y
+CONFIG_EXAMPLE_ETH_MDC_GPIO=23
+CONFIG_EXAMPLE_ETH_MDIO_GPIO=18
+CONFIG_EXAMPLE_ETH_PHY_RST_GPIO=5
+CONFIG_EXAMPLE_ETH_PHY_ADDR=1
+CONFIG_EXAMPLE_CONNECT_IPV6=y
diff --git a/examples/system/ota/native_ota_example/example_test.py b/examples/system/ota/native_ota_example/example_test.py
index 35cc1f3a06..5d3678683e 100644
--- a/examples/system/ota/native_ota_example/example_test.py
+++ b/examples/system/ota/native_ota_example/example_test.py
@@ -134,7 +134,7 @@ def start_chunked_server(ota_image_dir, server_port):
     return chunked_server
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='EXAMPLE_ETH_OTA')
 def test_examples_protocol_native_ota_example(env, extra_data):
     """
     This is a positive test case, which downloads complete binary file multiple number of times.
@@ -164,7 +164,7 @@ def test_examples_protocol_native_ota_example(env, extra_data):
     for i in range(iterations):
         dut1.expect('Loaded app from partition at offset', timeout=30)
         try:
-            ip_address = dut1.expect(re.compile(r' sta ip: ([^,]+),'), timeout=30)
+            ip_address = dut1.expect(re.compile(r' (sta|eth) ip: ([^,]+),'), timeout=30)
             print('Connected to AP with IP: {}'.format(ip_address))
         except DUT.ExpectTimeout:
             raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
@@ -179,7 +179,7 @@ def test_examples_protocol_native_ota_example(env, extra_data):
     thread1.terminate()
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='EXAMPLE_ETH_OTA')
 def test_examples_protocol_native_ota_example_truncated_bin(env, extra_data):
     """
     Working of OTA if binary file is truncated is validated in this test case.
@@ -218,7 +218,7 @@ def test_examples_protocol_native_ota_example_truncated_bin(env, extra_data):
     dut1.start_app()
     dut1.expect('Loaded app from partition at offset', timeout=30)
     try:
-        ip_address = dut1.expect(re.compile(r' sta ip: ([^,]+),'), timeout=60)
+        ip_address = dut1.expect(re.compile(r' (sta|eth) ip: ([^,]+),'), timeout=60)
         print('Connected to AP with IP: {}'.format(ip_address))
     except DUT.ExpectTimeout:
         raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
@@ -232,7 +232,7 @@ def test_examples_protocol_native_ota_example_truncated_bin(env, extra_data):
     thread1.terminate()
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='EXAMPLE_ETH_OTA')
 def test_examples_protocol_native_ota_example_truncated_header(env, extra_data):
     """
     Working of OTA if headers of binary file are truncated is vaildated in this test case.
@@ -270,7 +270,7 @@ def test_examples_protocol_native_ota_example_truncated_header(env, extra_data):
     dut1.start_app()
     dut1.expect('Loaded app from partition at offset', timeout=30)
     try:
-        ip_address = dut1.expect(re.compile(r' sta ip: ([^,]+),'), timeout=60)
+        ip_address = dut1.expect(re.compile(r' (sta|eth) ip: ([^,]+),'), timeout=60)
         print('Connected to AP with IP: {}'.format(ip_address))
     except DUT.ExpectTimeout:
         raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
@@ -284,7 +284,7 @@ def test_examples_protocol_native_ota_example_truncated_header(env, extra_data):
     thread1.terminate()
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='EXAMPLE_ETH_OTA')
 def test_examples_protocol_native_ota_example_random(env, extra_data):
     """
     Working of OTA if random data is added in binary file are validated in this test case.
@@ -321,7 +321,7 @@ def test_examples_protocol_native_ota_example_random(env, extra_data):
     dut1.start_app()
     dut1.expect('Loaded app from partition at offset', timeout=30)
     try:
-        ip_address = dut1.expect(re.compile(r' sta ip: ([^,]+),'), timeout=60)
+        ip_address = dut1.expect(re.compile(r' (sta|eth) ip: ([^,]+),'), timeout=60)
         print('Connected to AP with IP: {}'.format(ip_address))
     except DUT.ExpectTimeout:
         raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
@@ -335,7 +335,7 @@ def test_examples_protocol_native_ota_example_random(env, extra_data):
     thread1.terminate()
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='EXAMPLE_ETH_OTA')
 def test_examples_protocol_native_ota_example_chunked(env, extra_data):
     """
     This is a positive test case, which downloads complete binary file multiple number of times.
@@ -358,7 +358,7 @@ def test_examples_protocol_native_ota_example_chunked(env, extra_data):
     dut1.start_app()
     dut1.expect('Loaded app from partition at offset', timeout=30)
     try:
-        ip_address = dut1.expect(re.compile(r' sta ip: ([^,]+),'), timeout=30)
+        ip_address = dut1.expect(re.compile(r' (sta|eth) ip: ([^,]+),'), timeout=30)
         print('Connected to AP with IP: {}'.format(ip_address))
     except DUT.ExpectTimeout:
         raise ValueError('ENV_TEST_FAILURE: Cannot connect to AP')
diff --git a/examples/system/ota/native_ota_example/sdkconfig.ci b/examples/system/ota/native_ota_example/sdkconfig.ci
index 1908291986..3b3472741d 100644
--- a/examples/system/ota/native_ota_example/sdkconfig.ci
+++ b/examples/system/ota/native_ota_example/sdkconfig.ci
@@ -2,3 +2,13 @@ CONFIG_EXAMPLE_FIRMWARE_UPG_URL="FROM_STDIN"
 CONFIG_EXAMPLE_SKIP_COMMON_NAME_CHECK=y
 CONFIG_EXAMPLE_SKIP_VERSION_CHECK=y
 CONFIG_EXAMPLE_OTA_RECV_TIMEOUT=3000
+
+CONFIG_EXAMPLE_CONNECT_ETHERNET=y
+CONFIG_EXAMPLE_CONNECT_WIFI=n
+CONFIG_EXAMPLE_USE_INTERNAL_ETHERNET=y
+CONFIG_EXAMPLE_ETH_PHY_IP101=y
+CONFIG_EXAMPLE_ETH_MDC_GPIO=23
+CONFIG_EXAMPLE_ETH_MDIO_GPIO=18
+CONFIG_EXAMPLE_ETH_PHY_RST_GPIO=5
+CONFIG_EXAMPLE_ETH_PHY_ADDR=1
+CONFIG_EXAMPLE_CONNECT_IPV6=y
diff --git a/examples/system/ota/simple_ota_example/example_test.py b/examples/system/ota/simple_ota_example/example_test.py
index 8a7de9ab83..058620bcfa 100644
--- a/examples/system/ota/simple_ota_example/example_test.py
+++ b/examples/system/ota/simple_ota_example/example_test.py
@@ -123,7 +123,7 @@ def calc_all_sha256(dut):
     return sha256_bootloader, sha256_app
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA')
+@ttfw_idf.idf_example_test(env_tag='Example_WIFI_OTA', nightly_run=True)
 def test_examples_protocol_simple_ota_example(env, extra_data):
     """
     steps: |
@@ -239,7 +239,7 @@ def test_examples_protocol_simple_ota_example_with_flash_encryption(env, extra_d
     thread1.terminate()
 
 
-@ttfw_idf.idf_example_test(env_tag='Example_Flash_Encryption_OTA_WiFi', target=['esp32c3'])
+@ttfw_idf.idf_example_test(env_tag='Example_Flash_Encryption_OTA_WiFi', target=['esp32c3'], nightly_run=True)
 def test_examples_protocol_simple_ota_example_with_flash_encryption_wifi(env, extra_data):
     """
     steps: |