diff --git a/part14-ethernet/kernel/arp.c b/part14-ethernet/kernel/arp.c
index 9df07fa..6752c71 100644
--- a/part14-ethernet/kernel/arp.c
+++ b/part14-ethernet/kernel/arp.c
@@ -188,10 +188,14 @@ void arp_test(void)
 
 void init_network(void)
 {
-   handle.Init.DuplexMode = ETH_MODE_FULLDUPLEX;
+   handle.Init.DuplexMode = ETH_MODE_HALFDUPLEX;
    handle.Init.MACAddr = myMAC;
    handle.Init.ChecksumMode = ETH_CHECKSUM_BY_HARDWARE;
-   handle.Init.InterruptEnableBits = 0;
+   handle.Init.InterruptEnableBits = EIE_LINKIE;
+
+   debugstr("Setting MAC address to C0:FF:EE:C0:FF:EE.");
+   debugcrlf();
+   ENC_SetMacAddr(&handle);
 
    debugstr("Starting network up.");
    debugcrlf();
@@ -202,7 +206,11 @@ void init_network(void)
    }
    debugcrlf();
 
-   debugstr("Setting MAC address to C0:FF:EE:C0:FF:EE.");
+   debugstr("Waiting for ifup.");
+   debugcrlf();
+   while (!(handle.LinkStatus & PHSTAT2_LSTAT)) ENC_IRQHandler(&handle);
+
+   debugstr("Link status: ");
+   debughex(((handle.LinkStatus & PHSTAT2_LSTAT) != 0));
    debugcrlf();
-   ENC_SetMacAddr(&handle);
 }
diff --git a/part14-ethernet/net/enc28j60.c b/part14-ethernet/net/enc28j60.c
index 0815fc6..05093a0 100644
--- a/part14-ethernet/net/enc28j60.c
+++ b/part14-ethernet/net/enc28j60.c
@@ -885,16 +885,6 @@ bool ENC_Start(ENC_HandleTypeDef *handle)
     /* Enable the receiver */
     enc_bfsgreg(ENC_ECON1, ECON1_RXEN);
 
-    regval = enc_rdphy(handle, ENC_PHSTAT1) & PHSTAT1_LLSTAT;
-    debugstr("Link status 1: ");
-    debughex(regval);
-    debugcrlf();
-
-    regval = enc_rdphy(handle, ENC_PHSTAT2) & PHSTAT2_LSTAT;
-    debugstr("Link status 2: ");
-    debughex(regval);
-    debugcrlf();
-
     return true;
 }