diff --git a/boards/arm/cxd56xx/spresense/configs/rndis/defconfig b/boards/arm/cxd56xx/spresense/configs/rndis/defconfig
index 28eae5bc70..e7a66de03a 100644
--- a/boards/arm/cxd56xx/spresense/configs/rndis/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/rndis/defconfig
@@ -40,8 +40,6 @@ CONFIG_ELF=y
 CONFIG_EXAMPLES_FTPC=y
 CONFIG_EXAMPLES_FTPD=y
 CONFIG_EXAMPLES_HELLO=m
-CONFIG_EXAMPLES_IPERF=y
-CONFIG_EXAMPLES_IPERFTEST_DEVNAME="eth0"
 CONFIG_EXAMPLES_TCPBLASTER=y
 CONFIG_EXAMPLES_TCPBLASTER_GROUPSIZE=500
 CONFIG_EXAMPLES_TCPBLASTER_SENDSIZE=1400
@@ -90,6 +88,8 @@ CONFIG_NETUTILS_FTPC=y
 CONFIG_NETUTILS_FTPD=y
 CONFIG_NETUTILS_HTTPD_DIRLIST=y
 CONFIG_NETUTILS_HTTPD_SENDFILE=y
+CONFIG_NETUTILS_IPERF=y
+CONFIG_NETUTILS_IPERFTEST_DEVNAME="eth0"
 CONFIG_NETUTILS_TELNETD=y
 CONFIG_NETUTILS_WEBCLIENT=y
 CONFIG_NETUTILS_WEBSERVER=y
diff --git a/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig b/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig
index ca1edd581f..3f783aa721 100644
--- a/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig
+++ b/boards/arm/cxd56xx/spresense/configs/rndis_smp/defconfig
@@ -42,8 +42,6 @@ CONFIG_ELF=y
 CONFIG_EXAMPLES_FTPC=y
 CONFIG_EXAMPLES_FTPD=y
 CONFIG_EXAMPLES_HELLO=m
-CONFIG_EXAMPLES_IPERF=y
-CONFIG_EXAMPLES_IPERFTEST_DEVNAME="eth0"
 CONFIG_EXAMPLES_TCPBLASTER=y
 CONFIG_EXAMPLES_TCPBLASTER_GROUPSIZE=500
 CONFIG_EXAMPLES_TCPBLASTER_SENDSIZE=1400
@@ -92,6 +90,8 @@ CONFIG_NETUTILS_FTPC=y
 CONFIG_NETUTILS_FTPD=y
 CONFIG_NETUTILS_HTTPD_DIRLIST=y
 CONFIG_NETUTILS_HTTPD_SENDFILE=y
+CONFIG_NETUTILS_IPERF=y
+CONFIG_NETUTILS_IPERFTEST_DEVNAME="eth0"
 CONFIG_NETUTILS_TELNETD=y
 CONFIG_NETUTILS_WEBCLIENT=y
 CONFIG_NETUTILS_WEBSERVER=y
diff --git a/boards/arm/imx6/sabre-6quad/configs/netnsh/defconfig b/boards/arm/imx6/sabre-6quad/configs/netnsh/defconfig
index 3549e8121e..d186fca378 100644
--- a/boards/arm/imx6/sabre-6quad/configs/netnsh/defconfig
+++ b/boards/arm/imx6/sabre-6quad/configs/netnsh/defconfig
@@ -26,8 +26,6 @@ CONFIG_DEBUG_SYMBOLS=y
 CONFIG_DEV_ZERO=y
 CONFIG_ETH0_PHY_KSZ8081=y
 CONFIG_EXAMPLES_HELLO=y
-CONFIG_EXAMPLES_IPERF=y
-CONFIG_EXAMPLES_IPERFTEST_DEVNAME="eth0"
 CONFIG_EXAMPLES_TCPBLASTER=y
 CONFIG_EXAMPLES_TCPBLASTER_GROUPSIZE=500
 CONFIG_EXAMPLES_TCPBLASTER_SERVER=y
@@ -50,6 +48,8 @@ CONFIG_NETDB_DNSSERVER_NOADDR=y
 CONFIG_NETINIT_DRIPADDR=0x0a000202
 CONFIG_NETINIT_IPADDR=0x0a00020f
 CONFIG_NETINIT_NOMAC=y
+CONFIG_NETUTILS_IPERF=y
+CONFIG_NETUTILS_IPERFTEST_DEVNAME="eth0"
 CONFIG_NETUTILS_TELNETD=y
 CONFIG_NETUTILS_TFTPC=y
 CONFIG_NETUTILS_WEBCLIENT=y
diff --git a/boards/arm/imx6/sabre-6quad/configs/netnsh_smp/defconfig b/boards/arm/imx6/sabre-6quad/configs/netnsh_smp/defconfig
index d9718749a6..b7471906ca 100644
--- a/boards/arm/imx6/sabre-6quad/configs/netnsh_smp/defconfig
+++ b/boards/arm/imx6/sabre-6quad/configs/netnsh_smp/defconfig
@@ -26,8 +26,6 @@ CONFIG_DEBUG_SYMBOLS=y
 CONFIG_DEV_ZERO=y
 CONFIG_ETH0_PHY_KSZ8081=y
 CONFIG_EXAMPLES_HELLO=y
-CONFIG_EXAMPLES_IPERF=y
-CONFIG_EXAMPLES_IPERFTEST_DEVNAME="eth0"
 CONFIG_EXAMPLES_TCPBLASTER=y
 CONFIG_EXAMPLES_TCPBLASTER_GROUPSIZE=500
 CONFIG_EXAMPLES_TCPBLASTER_SERVER=y
@@ -49,6 +47,8 @@ CONFIG_NETDB_DNSSERVER_NOADDR=y
 CONFIG_NETINIT_DRIPADDR=0x0a000202
 CONFIG_NETINIT_IPADDR=0x0a00020f
 CONFIG_NETINIT_NOMAC=y
+CONFIG_NETUTILS_IPERF=y
+CONFIG_NETUTILS_IPERFTEST_DEVNAME="eth0"
 CONFIG_NETUTILS_TELNETD=y
 CONFIG_NETUTILS_TFTPC=y
 CONFIG_NETUTILS_WEBCLIENT=y
diff --git a/boards/arm/imxrt/imxrt1060-evk/configs/netnsh/defconfig b/boards/arm/imxrt/imxrt1060-evk/configs/netnsh/defconfig
index ea596c1a76..badf30b505 100644
--- a/boards/arm/imxrt/imxrt1060-evk/configs/netnsh/defconfig
+++ b/boards/arm/imxrt/imxrt1060-evk/configs/netnsh/defconfig
@@ -20,8 +20,6 @@ CONFIG_ARMV7M_USEBASEPRI=y
 CONFIG_BOARD_LOOPSPERMSEC=104926
 CONFIG_BUILTIN=y
 CONFIG_ETH0_PHY_KSZ8081=y
-CONFIG_EXAMPLES_IPERF=y
-CONFIG_EXAMPLES_IPERFTEST_DEVNAME="eth0"
 CONFIG_FS_PROCFS=y
 CONFIG_IDLETHREAD_STACKSIZE=2048
 CONFIG_IMXRT_ENET=y
@@ -35,6 +33,8 @@ CONFIG_NET=y
 CONFIG_NETDB_DNSCLIENT=y
 CONFIG_NETDEV_STATISTICS=y
 CONFIG_NETINIT_NOMAC=y
+CONFIG_NETUTILS_IPERF=y
+CONFIG_NETUTILS_IPERFTEST_DEVNAME="eth0"
 CONFIG_NETUTILS_TELNETD=y
 CONFIG_NET_ARP_SEND=y
 CONFIG_NET_BROADCAST=y
diff --git a/boards/arm/imxrt/imxrt1064-evk/configs/netnsh/defconfig b/boards/arm/imxrt/imxrt1064-evk/configs/netnsh/defconfig
index 2561ed60bc..2fbf3d3a6c 100644
--- a/boards/arm/imxrt/imxrt1064-evk/configs/netnsh/defconfig
+++ b/boards/arm/imxrt/imxrt1064-evk/configs/netnsh/defconfig
@@ -20,8 +20,6 @@ CONFIG_ARMV7M_USEBASEPRI=y
 CONFIG_BOARD_LOOPSPERMSEC=104926
 CONFIG_BUILTIN=y
 CONFIG_ETH0_PHY_KSZ8081=y
-CONFIG_EXAMPLES_IPERF=y
-CONFIG_EXAMPLES_IPERFTEST_DEVNAME="eth0"
 CONFIG_FS_PROCFS=y
 CONFIG_IDLETHREAD_STACKSIZE=2048
 CONFIG_IMXRT_ENET=y
@@ -35,6 +33,8 @@ CONFIG_NET=y
 CONFIG_NETDB_DNSCLIENT=y
 CONFIG_NETDEV_STATISTICS=y
 CONFIG_NETINIT_NOMAC=y
+CONFIG_NETUTILS_IPERF=y
+CONFIG_NETUTILS_IPERFTEST_DEVNAME="eth0"
 CONFIG_NETUTILS_TELNETD=y
 CONFIG_NET_ARP_SEND=y
 CONFIG_NET_BROADCAST=y
diff --git a/boards/arm/lc823450/lc823450-xgevk/configs/rndis/defconfig b/boards/arm/lc823450/lc823450-xgevk/configs/rndis/defconfig
index 55f51b46fd..258acd1cfc 100644
--- a/boards/arm/lc823450/lc823450-xgevk/configs/rndis/defconfig
+++ b/boards/arm/lc823450/lc823450-xgevk/configs/rndis/defconfig
@@ -45,8 +45,6 @@ CONFIG_ELF=y
 CONFIG_EXAMPLES_HELLO=m
 CONFIG_EXAMPLES_HELLOXX=m
 CONFIG_EXAMPLES_I2SLOOP=y
-CONFIG_EXAMPLES_IPERF=y
-CONFIG_EXAMPLES_IPERFTEST_DEVNAME="eth0"
 CONFIG_EXAMPLES_NXHELLO=y
 CONFIG_EXAMPLES_NXHELLO_BPP=1
 CONFIG_EXAMPLES_PIPE=y
@@ -94,6 +92,8 @@ CONFIG_NETINIT_NOMAC=y
 CONFIG_NETINIT_THREAD=y
 CONFIG_NETUTILS_CODECS=y
 CONFIG_NETUTILS_DHCPC=y
+CONFIG_NETUTILS_IPERF=y
+CONFIG_NETUTILS_IPERFTEST_DEVNAME="eth0"
 CONFIG_NETUTILS_TELNETD=y
 CONFIG_NETUTILS_WEBCLIENT=y
 CONFIG_NET_ARP_SEND=y
diff --git a/boards/arm/stm32h7/nucleo-h743zi2/configs/jumbo/defconfig b/boards/arm/stm32h7/nucleo-h743zi2/configs/jumbo/defconfig
index 3cf9812d0e..c32feb62eb 100644
--- a/boards/arm/stm32h7/nucleo-h743zi2/configs/jumbo/defconfig
+++ b/boards/arm/stm32h7/nucleo-h743zi2/configs/jumbo/defconfig
@@ -35,8 +35,6 @@ CONFIG_DEFAULT_TASK_STACKSIZE=4096
 CONFIG_DHCPC_RENEW_STACKSIZE=2048
 CONFIG_ETH0_PHY_LAN8742A=y
 CONFIG_EXAMPLES_HIDKBD=y
-CONFIG_EXAMPLES_IPERF=y
-CONFIG_EXAMPLES_IPERFTEST_DEVNAME="eth0"
 CONFIG_EXAMPLES_TOUCHSCREEN=y
 CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH="/dev/mouse0"
 CONFIG_EXAMPLES_TOUCHSCREEN_MOUSE=y
@@ -55,6 +53,8 @@ CONFIG_MTD=y
 CONFIG_NET=y
 CONFIG_NETDB_DNSCLIENT=y
 CONFIG_NETUTILS_DISCOVER=y
+CONFIG_NETUTILS_IPERF=y
+CONFIG_NETUTILS_IPERFTEST_DEVNAME="eth0"
 CONFIG_NETUTILS_NETCAT=y
 CONFIG_NETUTILS_TELNETD=y
 CONFIG_NETUTILS_WEBCLIENT=y
diff --git a/boards/arm/tiva/lm3s6965-ek/configs/discover/defconfig b/boards/arm/tiva/lm3s6965-ek/configs/discover/defconfig
index 273a76f08b..1f402b9d1c 100644
--- a/boards/arm/tiva/lm3s6965-ek/configs/discover/defconfig
+++ b/boards/arm/tiva/lm3s6965-ek/configs/discover/defconfig
@@ -19,8 +19,6 @@ CONFIG_DEBUG_FULLOPT=y
 CONFIG_DEBUG_HARDFAULT_ALERT=y
 CONFIG_DEBUG_SYMBOLS=y
 CONFIG_EXAMPLES_HELLO=y
-CONFIG_EXAMPLES_IPERF=y
-CONFIG_EXAMPLES_IPERFTEST_DEVNAME="eth0"
 CONFIG_FS_FAT=y
 CONFIG_FS_PROCFS=y
 CONFIG_MAX_TASKS=16
@@ -31,6 +29,8 @@ CONFIG_NETDB_DNSCLIENT=y
 CONFIG_NETDB_DNSCLIENT_ENTRIES=4
 CONFIG_NETDB_DNSSERVER_NOADDR=y
 CONFIG_NETINIT_NOMAC=y
+CONFIG_NETUTILS_IPERF=y
+CONFIG_NETUTILS_IPERFTEST_DEVNAME="eth0"
 CONFIG_NETUTILS_TELNETD=y
 CONFIG_NETUTILS_TFTPC=y
 CONFIG_NETUTILS_WEBCLIENT=y
diff --git a/boards/risc-v/bl602/bl602evb/configs/wifi/defconfig b/boards/risc-v/bl602/bl602evb/configs/wifi/defconfig
index 694ea37001..18740991a7 100644
--- a/boards/risc-v/bl602/bl602evb/configs/wifi/defconfig
+++ b/boards/risc-v/bl602/bl602evb/configs/wifi/defconfig
@@ -41,7 +41,6 @@ CONFIG_DRIVERS_IEEE80211=y
 CONFIG_DRIVERS_WIRELESS=y
 CONFIG_EXAMPLES_DHCPD=y
 CONFIG_EXAMPLES_DISCOVER=y
-CONFIG_EXAMPLES_IPERF=y
 CONFIG_EXAMPLES_NETTEST=y
 CONFIG_EXAMPLES_NETTEST_DEVNAME="wlan0"
 CONFIG_EXAMPLES_NETTEST_PERFORMANCE=y
@@ -76,6 +75,7 @@ CONFIG_NETINIT_NETLOCAL=y
 CONFIG_NETINIT_WAPI_PASSPHRASE="bouffalolab2016"
 CONFIG_NETINIT_WAPI_SSID="bouffalolab"
 CONFIG_NETUTILS_DHCPD=y
+CONFIG_NETUTILS_IPERF=y
 CONFIG_NET_ARP_IPIN=y
 CONFIG_NET_ARP_SEND=y
 CONFIG_NET_BROADCAST=y
diff --git a/boards/xtensa/esp32/esp32-devkitc/configs/wapi_smp/defconfig b/boards/xtensa/esp32/esp32-devkitc/configs/wapi_smp/defconfig
index 60347b29f0..bd1d34cfef 100644
--- a/boards/xtensa/esp32/esp32-devkitc/configs/wapi_smp/defconfig
+++ b/boards/xtensa/esp32/esp32-devkitc/configs/wapi_smp/defconfig
@@ -32,7 +32,6 @@ CONFIG_ESP32_UART0=y
 CONFIG_ESP32_WIFI_SAVE_PARAM=y
 CONFIG_ESP32_WIRELESS=y
 CONFIG_EXAMPLES_HELLO=y
-CONFIG_EXAMPLES_IPERF=y
 CONFIG_FS_PROCFS=y
 CONFIG_FS_SPIFFS=y
 CONFIG_HAVE_CXX=y
@@ -47,6 +46,7 @@ CONFIG_NETDEVICES=y
 CONFIG_NETDEV_LATEINIT=y
 CONFIG_NETDEV_PHY_IOCTL=y
 CONFIG_NETDEV_WIRELESS_IOCTL=y
+CONFIG_NETUTILS_IPERF=y
 CONFIG_NETUTILS_TELNETD=y
 CONFIG_NET_BROADCAST=y
 CONFIG_NET_ETH_PKTSIZE=1514