diff --git a/examples/wifi/iperf/sdkconfig.defaults b/examples/wifi/iperf/sdkconfig.defaults
index c6ce4ce0b5..f096b6f061 100644
--- a/examples/wifi/iperf/sdkconfig.defaults
+++ b/examples/wifi/iperf/sdkconfig.defaults
@@ -12,6 +12,4 @@ CONFIG_LWIP_TCPIP_TASK_PRIO=23
 
 CONFIG_IPERF_TRAFFIC_TASK_PRIORITY=23
 CONFIG_IPERF_REPORT_TASK_PRIORITY=24
-CONFIG_LWIP_TCPIP_CORE_LOCKING=y
-CONFIG_LWIP_TCPIP_CORE_LOCKING_INPUT=y
 CONFIG_COMPILER_OPTIMIZATION_PERF=y
diff --git a/examples/wifi/iperf/sdkconfig.defaults.esp32c2 b/examples/wifi/iperf/sdkconfig.defaults.esp32c2
index 2590001d97..1796e716a8 100644
--- a/examples/wifi/iperf/sdkconfig.defaults.esp32c2
+++ b/examples/wifi/iperf/sdkconfig.defaults.esp32c2
@@ -20,3 +20,6 @@ CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ=120
 
 CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
 CONFIG_ESPTOOLPY_FLASHFREQ_60M=y
+
+CONFIG_LWIP_TCPIP_CORE_LOCKING=y
+CONFIG_LWIP_TCPIP_CORE_LOCKING_INPUT=y
diff --git a/examples/wifi/iperf/sdkconfig.defaults.esp32c3 b/examples/wifi/iperf/sdkconfig.defaults.esp32c3
index 6a334e7ca8..7a46a91d21 100644
--- a/examples/wifi/iperf/sdkconfig.defaults.esp32c3
+++ b/examples/wifi/iperf/sdkconfig.defaults.esp32c3
@@ -20,3 +20,6 @@ CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ=160
 
 CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
 CONFIG_ESPTOOLPY_FLASHFREQ_80M=y
+
+CONFIG_LWIP_TCPIP_CORE_LOCKING=y
+CONFIG_LWIP_TCPIP_CORE_LOCKING_INPUT=y
diff --git a/examples/wifi/iperf/sdkconfig.defaults.esp32c6 b/examples/wifi/iperf/sdkconfig.defaults.esp32c6
index 3690bcd7fc..80ce37b685 100644
--- a/examples/wifi/iperf/sdkconfig.defaults.esp32c6
+++ b/examples/wifi/iperf/sdkconfig.defaults.esp32c6
@@ -23,3 +23,6 @@ CONFIG_ESP_WIFI_ENABLE_WIFI_TX_STATS=n
 CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
 CONFIG_ESPTOOLPY_FLASHFREQ_80M=y
 CONFIG_LWIP_EXTRA_IRAM_OPTIMIZATION=y
+
+CONFIG_LWIP_TCPIP_CORE_LOCKING=y
+CONFIG_LWIP_TCPIP_CORE_LOCKING_INPUT=y
diff --git a/examples/wifi/iperf/sdkconfig.defaults.esp32s2 b/examples/wifi/iperf/sdkconfig.defaults.esp32s2
index 6224f811ff..3cdbfdf3a8 100644
--- a/examples/wifi/iperf/sdkconfig.defaults.esp32s2
+++ b/examples/wifi/iperf/sdkconfig.defaults.esp32s2
@@ -24,3 +24,6 @@ CONFIG_ESPTOOLPY_FLASHFREQ_80M=y
 CONFIG_ESP32S2_INSTRUCTION_CACHE_16KB=y
 CONFIG_ESP32S2_INSTRUCTION_CACHE_LINE_16B=y
 CONFIG_ESP32S2_INSTRUCTION_CACHE_WRAP=y
+
+CONFIG_LWIP_TCPIP_CORE_LOCKING=y
+CONFIG_LWIP_TCPIP_CORE_LOCKING_INPUT=y