diff --git a/examples/device/net_lwip_webserver/CMakeLists.txt b/examples/device/net_lwip_webserver/CMakeLists.txt
index a16b8bd71..c39fd32c5 100644
--- a/examples/device/net_lwip_webserver/CMakeLists.txt
+++ b/examples/device/net_lwip_webserver/CMakeLists.txt
@@ -74,6 +74,7 @@ target_sources(${PROJECT} PUBLIC
   ${LWIP}/src/netif/slipif.c
   ${LWIP}/src/apps/http/httpd.c
   ${LWIP}/src/apps/http/fs.c
+  ${LWIP}/src/apps/lwiperf/lwiperf.c
   )
 
 # due to warnings from other net source, we need to prevent error from some of the warnings options
diff --git a/examples/device/net_lwip_webserver/Makefile b/examples/device/net_lwip_webserver/Makefile
index 22426ba0d..141532466 100644
--- a/examples/device/net_lwip_webserver/Makefile
+++ b/examples/device/net_lwip_webserver/Makefile
@@ -63,6 +63,7 @@ SRC_C += \
   lib/lwip/src/netif/slipif.c \
   lib/lwip/src/apps/http/httpd.c \
   lib/lwip/src/apps/http/fs.c \
+  lib/lwip/src/apps/lwiperf/lwiperf.c \
   lib/networking/dhserver.c \
   lib/networking/dnserver.c \
   lib/networking/rndis_reports.c
diff --git a/examples/device/net_lwip_webserver/src/main.c b/examples/device/net_lwip_webserver/src/main.c
index e6f5faeb6..791e09b4f 100644
--- a/examples/device/net_lwip_webserver/src/main.c
+++ b/examples/device/net_lwip_webserver/src/main.c
@@ -53,6 +53,10 @@ try changing the first byte of tud_network_mac_address[] below from 0x02 to 0x00
 #include "lwip/init.h"
 #include "lwip/timeouts.h"
 
+#ifdef INCLUDE_IPERF
+  #include "lwip/apps/lwiperf.h"
+#endif
+
 #define INIT_IP4(a, b, c, d) \
   { PP_HTONL(LWIP_MAKEU32(a, b, c, d)) }
 
@@ -225,6 +229,10 @@ int main(void) {
   while (dnserv_init(IP_ADDR_ANY, 53, dns_query_proc) != ERR_OK);
   httpd_init();
 
+#ifdef INCLUDE_IPERF
+  // test with: iperf -c 192.168.7.1 -e -i 1 -M 5000 -l 8192 -r
+  lwiperf_start_tcp_server_default(NULL, NULL);
+#endif
 
   while (1) {
     tud_task();
diff --git a/examples/device/net_lwip_webserver/src/tusb_config.h b/examples/device/net_lwip_webserver/src/tusb_config.h
index e0db3113c..ae5e67513 100644
--- a/examples/device/net_lwip_webserver/src/tusb_config.h
+++ b/examples/device/net_lwip_webserver/src/tusb_config.h
@@ -84,6 +84,18 @@ extern "C" {
   #define CFG_TUSB_MEM_ALIGN __attribute__((aligned(4)))
 #endif
 
+// Use different configurations to test all net devices (also due to resource limitations)
+#if TU_CHECK_MCU(OPT_MCU_LPC15XX, OPT_MCU_LPC40XX, OPT_MCU_LPC51UXX, OPT_MCU_LPC54)
+  #define USE_ECM 1
+#elif TU_CHECK_MCU(OPT_MCU_SAMD21, OPT_MCU_SAML21, OPT_MCU_SAML22)
+  #define USE_ECM 1
+#elif TU_CHECK_MCU(OPT_MCU_STM32F0, OPT_MCU_STM32F1)
+  #define USE_ECM 1
+#else
+  #define USE_ECM 0
+  #define INCLUDE_IPERF
+#endif
+
 //--------------------------------------------------------------------
 // NCM CLASS CONFIGURATION, SEE "ncm.h" FOR PERFORMANCE TUNNING
 //--------------------------------------------------------------------
@@ -118,7 +130,7 @@ extern "C" {
 
 // Network class has 2 drivers: ECM/RNDIS and NCM.
 // Only one of the drivers can be enabled
-#define CFG_TUD_ECM_RNDIS     1
+#define CFG_TUD_ECM_RNDIS     USE_ECM
 #define CFG_TUD_NCM           (1 - CFG_TUD_ECM_RNDIS)
 
 #ifdef __cplusplus