diff --git a/src/netif/etharp.c b/src/netif/etharp.c
index 710200c0..f5a6473d 100644
--- a/src/netif/etharp.c
+++ b/src/netif/etharp.c
@@ -1130,7 +1130,14 @@ ethernet_input(struct pbuf *p, struct netif *netif)
 
   /* points to packet payload, which starts with an Ethernet header */
   ethhdr = p->payload;
-  
+  LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE,
+    ("ethernet_input: dest:%02x:%02x:%02x:%02x:%02x:%02x, src:%02x:%02x:%02x:%02x:%02x:%02x, type:%2hx\n",
+     (unsigned)ethhdr->dest.addr[0], (unsigned)ethhdr->dest.addr[1], (unsigned)ethhdr->dest.addr[2],
+     (unsigned)ethhdr->dest.addr[3], (unsigned)ethhdr->dest.addr[4], (unsigned)ethhdr->dest.addr[5],
+     (unsigned)ethhdr->src.addr[0], (unsigned)ethhdr->src.addr[1], (unsigned)ethhdr->src.addr[2],
+     (unsigned)ethhdr->src.addr[3], (unsigned)ethhdr->src.addr[4], (unsigned)ethhdr->src.addr[5],
+     (unsigned)htons(ethhdr->type)));
+
   switch (htons(ethhdr->type)) {
     /* IP packet? */
     case ETHTYPE_IP: