diff --git a/examples/stm32f4/src/bin/eth.rs b/examples/stm32f4/src/bin/eth.rs
index 393e60b7..5f1e62d0 100644
--- a/examples/stm32f4/src/bin/eth.rs
+++ b/examples/stm32f4/src/bin/eth.rs
@@ -79,7 +79,10 @@ async fn main(spawner: Spawner) -> ! {
     ));
 
     // Launch network task
-    unwrap!(spawner.spawn(net_task(&stack)));
+    unwrap!(spawner.spawn(net_task(stack)));
+
+    // Ensure DHCP configuration is up before trying connect
+    stack.wait_config_up().await;
 
     info!("Network task initialized");
 
diff --git a/examples/stm32f7/src/bin/eth.rs b/examples/stm32f7/src/bin/eth.rs
index f0e280c3..01c38106 100644
--- a/examples/stm32f7/src/bin/eth.rs
+++ b/examples/stm32f7/src/bin/eth.rs
@@ -80,7 +80,10 @@ async fn main(spawner: Spawner) -> ! {
     ));
 
     // Launch network task
-    unwrap!(spawner.spawn(net_task(&stack)));
+    unwrap!(spawner.spawn(net_task(stack)));
+
+    // Ensure DHCP configuration is up before trying connect
+    stack.wait_config_up().await;
 
     info!("Network task initialized");
 
diff --git a/examples/stm32h5/src/bin/eth.rs b/examples/stm32h5/src/bin/eth.rs
index 763520ab..c32e0fdb 100644
--- a/examples/stm32h5/src/bin/eth.rs
+++ b/examples/stm32h5/src/bin/eth.rs
@@ -101,6 +101,9 @@ async fn main(spawner: Spawner) -> ! {
     // Launch network task
     unwrap!(spawner.spawn(net_task(&stack)));
 
+    // Ensure DHCP configuration is up before trying connect
+    stack.wait_config_up().await;
+
     info!("Network task initialized");
 
     // Then we can use it!
diff --git a/examples/stm32h7/src/bin/eth.rs b/examples/stm32h7/src/bin/eth.rs
index 26a386e4..e691c6d0 100644
--- a/examples/stm32h7/src/bin/eth.rs
+++ b/examples/stm32h7/src/bin/eth.rs
@@ -83,6 +83,9 @@ async fn main(spawner: Spawner) -> ! {
     // Launch network task
     unwrap!(spawner.spawn(net_task(&stack)));
 
+    // Ensure DHCP configuration is up before trying connect
+    stack.wait_config_up().await;
+
     info!("Network task initialized");
 
     // Then we can use it!
diff --git a/examples/stm32h7/src/bin/eth_client.rs b/examples/stm32h7/src/bin/eth_client.rs
index 6664410c..ebef54c3 100644
--- a/examples/stm32h7/src/bin/eth_client.rs
+++ b/examples/stm32h7/src/bin/eth_client.rs
@@ -82,13 +82,13 @@ async fn main(spawner: Spawner) -> ! {
     ));
 
     // Launch network task
-    unwrap!(spawner.spawn(net_task(&stack)));
+    unwrap!(spawner.spawn(net_task(stack)));
+
+    // Ensure DHCP configuration is up before trying connect
+    stack.wait_config_up().await;
 
     info!("Network task initialized");
 
-    // To ensure DHCP configuration before trying connect
-    Timer::after(Duration::from_secs(20)).await;
-
     static STATE: TcpClientState<1, 1024, 1024> = TcpClientState::new();
     let client = TcpClient::new(&stack, &STATE);