diff --git a/arch/arm/src/c5471/c5471_ethernet.c b/arch/arm/src/c5471/c5471_ethernet.c
index 7ea7e3d232b..35a4ae29a54 100644
--- a/arch/arm/src/c5471/c5471_ethernet.c
+++ b/arch/arm/src/c5471/c5471_ethernet.c
@@ -1271,6 +1271,12 @@ static void c5471_receive(struct c5471_driver_s *c5471)
                 {
                   arp_out(dev);
                 }
+#ifdef CONFIG_NET_IPv6
+              else
+                {
+                  neighbor_out(dev);
+                }
+#endif
 
               /* And send the packet */
 
@@ -1297,13 +1303,19 @@ static void c5471_receive(struct c5471_driver_s *c5471)
           if (dev->d_len > 0 &&
              (EIM_TXDESC_OWN_HOST & getreg32(c5471->c_rxcpudesc)) == 0)
             {
-#ifdef CONFIG_NET_IPv4
               /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
               if (IFF_IS_IPv4(dev->d_flags))
                 {
                   arp_out(dev);
                 }
+              else
+#endif
+#ifdef CONFIG_NET_IPv6
+                {
+                  neighbor_out(dev);
+                }
 #endif
 
               /* And send the packet */
diff --git a/arch/arm/src/kinetis/kinetis_enet.c b/arch/arm/src/kinetis/kinetis_enet.c
index 39aa02dea22..e28f8b630e3 100644
--- a/arch/arm/src/kinetis/kinetis_enet.c
+++ b/arch/arm/src/kinetis/kinetis_enet.c
@@ -552,6 +552,12 @@ static void kinetis_receive(FAR struct kinetis_driver_s *priv)
                 {
                   arp_out(&priv->dev);
                 }
+#ifdef CONFIG_NET_IPv6
+              else
+                {
+                  neighbor_out(&priv->dev);
+                }
+#endif
 
               /* And send the packet */
 
@@ -575,13 +581,19 @@ static void kinetis_receive(FAR struct kinetis_driver_s *priv)
 
           if (priv->dev.d_len > 0)
            {
-#ifdef CONFIG_NET_IPv4
               /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
               if (IFF_IS_IPv4(priv->dev.d_flags))
                 {
                   arp_out(&priv->dev);
                 }
+              else
+#endif
+#ifdef CONFIG_NET_IPv6
+                {
+                  neighbor_out(&priv->dev);
+                }
 #endif
 
               /* And send the packet */
diff --git a/arch/arm/src/lpc17xx/lpc17_ethernet.c b/arch/arm/src/lpc17xx/lpc17_ethernet.c
index 71ee88a435a..d0e085d4fdc 100644
--- a/arch/arm/src/lpc17xx/lpc17_ethernet.c
+++ b/arch/arm/src/lpc17xx/lpc17_ethernet.c
@@ -914,6 +914,12 @@ static void lpc17_rxdone(struct lpc17_driver_s *priv)
                     {
                       arp_out(&priv->lp_dev);
                     }
+#ifdef CONFIG_NET_IPv6
+                  else
+                    {
+                      neighbor_out(&priv->lp_dev);
+                    }
+#endif
 
                   /* And send the packet */
 
@@ -939,13 +945,19 @@ static void lpc17_rxdone(struct lpc17_driver_s *priv)
 
               if (priv->lp_dev.d_len > 0)
                {
-#ifdef CONFIG_NET_IPv4
                   /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
                   if (IFF_IS_IPv4(priv->lp_dev.d_flags))
                     {
                       arp_out(&priv->lp_dev);
                     }
+                  else
+#endif
+#ifdef CONFIG_NET_IPv6
+                    {
+                      neighbor_out(&priv->lp_dev);
+                    }
 #endif
 
                   /* And send the packet */
diff --git a/arch/arm/src/sam34/sam_emac.c b/arch/arm/src/sam34/sam_emac.c
index 45a3b333792..2f293243670 100644
--- a/arch/arm/src/sam34/sam_emac.c
+++ b/arch/arm/src/sam34/sam_emac.c
@@ -1177,6 +1177,12 @@ static void sam_receive(struct sam_emac_s *priv)
                 {
                   arp_out(&priv->dev);
                 }
+#ifdef CONFIG_NET_IPv6
+              else
+                {
+                  neighbor_out(&priv->dev);
+                }
+#endif
 
               /* And send the packet */
 
@@ -1200,13 +1206,19 @@ static void sam_receive(struct sam_emac_s *priv)
 
           if (priv->dev.d_len > 0)
            {
-#ifdef CONFIG_NET_IPv4
               /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
               if (IFF_IS_IPv4(priv->dev.d_flags))
                 {
                   arp_out(&priv->dev);
                 }
+              else
+#endif
+#ifdef CONFIG_NET_IPv6
+                {
+                  neighbor_out(&priv->dev);
+                }
 #endif
 
               /* And send the packet */
diff --git a/arch/arm/src/sama5/sam_emaca.c b/arch/arm/src/sama5/sam_emaca.c
index db362810741..d9b8037ffd0 100644
--- a/arch/arm/src/sama5/sam_emaca.c
+++ b/arch/arm/src/sama5/sam_emaca.c
@@ -1217,6 +1217,12 @@ static void sam_receive(struct sam_emac_s *priv)
                 {
                   arp_out(&priv->dev);
                 }
+#ifdef CONFIG_NET_IPv6
+              else
+                {
+                  neighbor_out(&priv->dev);
+                }
+#endif
 
               /* And send the packet */
 
@@ -1240,19 +1246,25 @@ static void sam_receive(struct sam_emac_s *priv)
 
           if (priv->dev.d_len > 0)
            {
-#ifdef CONFIG_NET_IPv4
               /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
               if (IFF_IS_IPv4(priv->dev.d_flags))
                 {
                   arp_out(&priv->dev);
                 }
+              else
+#endif
+#ifdef CONFIG_NET_IPv6
+                {
+                  neighbor_out(&priv->dev);
+                }
 #endif
 
-             /* And send the packet */
+              /* And send the packet */
 
-             sam_transmit(priv);
-           }
+              sam_transmit(priv);
+            }
         }
       else
 #endif
diff --git a/arch/arm/src/sama5/sam_emacb.c b/arch/arm/src/sama5/sam_emacb.c
index 7f0c3b4d60e..35ba12c9021 100644
--- a/arch/arm/src/sama5/sam_emacb.c
+++ b/arch/arm/src/sama5/sam_emacb.c
@@ -1543,6 +1543,12 @@ static void sam_receive(struct sam_emac_s *priv)
                 {
                   arp_out(&priv->dev);
                 }
+#ifdef CONFIG_NET_IPv6
+              else
+                {
+                  neighbor_out(&priv->dev);
+                }
+#endif
 
               /* And send the packet */
 
@@ -1566,13 +1572,19 @@ static void sam_receive(struct sam_emac_s *priv)
 
           if (priv->dev.d_len > 0)
            {
-#ifdef CONFIG_NET_IPv4
               /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
               if (IFF_IS_IPv4(priv->dev.d_flags))
                 {
                   arp_out(&priv->dev);
                 }
+              else
+#endif
+#ifdef CONFIG_NET_IPv6
+                {
+                  neighbor_out(&priv->dev);
+                }
 #endif
 
               /* And send the packet */
diff --git a/arch/arm/src/sama5/sam_gmac.c b/arch/arm/src/sama5/sam_gmac.c
index 689c614c4af..4a86bf4c1ec 100644
--- a/arch/arm/src/sama5/sam_gmac.c
+++ b/arch/arm/src/sama5/sam_gmac.c
@@ -1147,6 +1147,12 @@ static void sam_receive(struct sam_gmac_s *priv)
                 {
                   arp_out(&priv->dev);
                 }
+#ifdef CONFIG_NET_IPv6
+              else
+                {
+                  neighbor_out(&priv->dev);
+                }
+#endif
 
               /* And send the packet */
 
@@ -1170,13 +1176,19 @@ static void sam_receive(struct sam_gmac_s *priv)
 
           if (priv->dev.d_len > 0)
            {
-#ifdef CONFIG_NET_IPv4
               /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
               if (IFF_IS_IPv4(priv->dev.d_flags))
                 {
                   arp_out(&priv->dev);
                 }
+              else
+#endif
+#ifdef CONFIG_NET_IPv6
+                {
+                  neighbor_out(&priv->dev);
+                }
 #endif
 
               /* And send the packet */
diff --git a/arch/arm/src/stm32/stm32_eth.c b/arch/arm/src/stm32/stm32_eth.c
index 22b22e43cbe..16d00614af1 100644
--- a/arch/arm/src/stm32/stm32_eth.c
+++ b/arch/arm/src/stm32/stm32_eth.c
@@ -1649,6 +1649,12 @@ static void stm32_receive(FAR struct stm32_ethmac_s *priv)
                 {
                   arp_out(&priv->dev);
                 }
+#ifdef CONFIG_NET_IPv6
+              else
+                {
+                  neighbor_out(&priv->dev);
+                }
+#endif
 
               /* And send the packet */
 
@@ -1672,13 +1678,19 @@ static void stm32_receive(FAR struct stm32_ethmac_s *priv)
 
           if (priv->dev.d_len > 0)
            {
-#ifdef CONFIG_NET_IPv4
               /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
               if (IFF_IS_IPv4(priv->dev.d_flags))
                 {
                   arp_out(&priv->dev);
                 }
+              else
+#endif
+#ifdef CONFIG_NET_IPv6
+                {
+                  neighbor_out(&priv->dev);
+                }
 #endif
 
               /* And send the packet */
diff --git a/arch/arm/src/tiva/lm3s_ethernet.c b/arch/arm/src/tiva/lm3s_ethernet.c
index bcfd7dd9c11..89fad3101c9 100644
--- a/arch/arm/src/tiva/lm3s_ethernet.c
+++ b/arch/arm/src/tiva/lm3s_ethernet.c
@@ -805,6 +805,12 @@ static void tiva_receive(struct tiva_driver_s *priv)
                 {
                   arp_out(&priv->ld_dev);
                 }
+#ifdef CONFIG_NET_IPv6
+              else
+                {
+                  neighbor_out(&priv->ld_dev);
+                }
+#endif
 
               /* And send the packet */
 
@@ -830,13 +836,19 @@ static void tiva_receive(struct tiva_driver_s *priv)
 
           if (priv->dev.d_len > 0)
            {
-#ifdef CONFIG_NET_IPv4
               /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
               if (IFF_IS_IPv4(priv->ld_dev.d_flags))
                 {
                   arp_out(&priv->ld_dev);
                 }
+              else
+#endif
+#ifdef CONFIG_NET_IPv6
+                {
+                  neighbor_out(&priv->ld_dev);
+                }
 #endif
 
               /* And send the packet */
diff --git a/arch/arm/src/tiva/tm4c_ethernet.c b/arch/arm/src/tiva/tm4c_ethernet.c
index 8e920d5dd6a..5910b095398 100644
--- a/arch/arm/src/tiva/tm4c_ethernet.c
+++ b/arch/arm/src/tiva/tm4c_ethernet.c
@@ -1719,7 +1719,12 @@ static void tiva_receive(FAR struct tiva_ethmac_s *priv)
                 {
                   arp_out(&priv->dev);
                 }
-
+#ifdef CONFIG_NET_IPv6
+              else
+                {
+                  neighbor_out(&priv->dev);
+                }
+#endif
               /* And send the packet */
 
               tiva_transmit(priv);
@@ -1742,13 +1747,19 @@ static void tiva_receive(FAR struct tiva_ethmac_s *priv)
 
           if (priv->dev.d_len > 0)
            {
-#ifdef CONFIG_NET_IPv4
               /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
               if (IFF_IS_IPv4(priv->dev.d_flags))
                 {
                   arp_out(&priv->dev);
                 }
+              else
+#endif
+#ifdef CONFIG_NET_IPv6
+                {
+                  neighbor_out(&priv->dev);
+                }
 #endif
 
               /* And send the packet */
diff --git a/arch/hc/src/m9s12/m9s12_ethernet.c b/arch/hc/src/m9s12/m9s12_ethernet.c
index bbba9d70993..782e8f1517e 100644
--- a/arch/hc/src/m9s12/m9s12_ethernet.c
+++ b/arch/hc/src/m9s12/m9s12_ethernet.c
@@ -294,6 +294,12 @@ static void emac_receive(FAR struct emac_driver_s *priv)
                 {
                   arp_out(&priv->d_dev);
                 }
+#ifdef CONFIG_NET_IPv6
+              else
+                {
+                  neighbor_out(&priv->d_dev);
+                }
+#endif
 
               /* And send the packet */
 
@@ -317,13 +323,19 @@ static void emac_receive(FAR struct emac_driver_s *priv)
 
           if (priv->d_dev.d_len > 0)
            {
-#ifdef CONFIG_NET_IPv4
               /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
               if (IFF_IS_IPv4(priv->d_dev.d_flags))
                 {
                   arp_out(&priv->d_dev);
                 }
+              else
+#endif
+#ifdef CONFIG_NET_IPv6
+                {
+                  neighbor_out(&priv->d_dev);
+                }
 #endif
 
               /* And send the packet */
diff --git a/arch/mips/src/pic32mx/pic32mx-ethernet.c b/arch/mips/src/pic32mx/pic32mx-ethernet.c
index 0d301db1d8d..d78a7c225c6 100644
--- a/arch/mips/src/pic32mx/pic32mx-ethernet.c
+++ b/arch/mips/src/pic32mx/pic32mx-ethernet.c
@@ -1471,6 +1471,12 @@ static void pic32mx_rxdone(struct pic32mx_driver_s *priv)
                     {
                       arp_out(&priv->pd_dev);
                     }
+#ifdef CONFIG_NET_IPv6
+                  else
+                    {
+                      neighbor_out(&priv->pd_dev);
+                    }
+#endif
 
                   /* And send the packet */
 
@@ -1496,13 +1502,19 @@ static void pic32mx_rxdone(struct pic32mx_driver_s *priv)
 
               if (priv->pd_dev.d_len > 0)
                {
-#ifdef CONFIG_NET_IPv4
                   /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
                   if (IFF_IS_IPv4(priv->pd_dev.d_flags))
                     {
                       arp_out(&priv->pd_dev);
                     }
+                  else
+#endif
+#ifdef CONFIG_NET_IPv6
+                    {
+                      neighbor_out(&priv->pd_dev);
+                    }
 #endif
 
                   /* And send the packet */
diff --git a/arch/sim/src/up_netdriver.c b/arch/sim/src/up_netdriver.c
index abffefc4326..036d51e2b02 100644
--- a/arch/sim/src/up_netdriver.c
+++ b/arch/sim/src/up_netdriver.c
@@ -198,6 +198,12 @@ void netdriver_loop(void)
                     {
                       arp_out(&g_sim_dev);
                     }
+#ifdef CONFIG_NET_IPv6
+                  else
+                    {
+                      neighbor_out(&g_sim_dev);
+                    }
+#endif
 
                   /* And send the packet */
 
@@ -222,13 +228,19 @@ void netdriver_loop(void)
 
               if (g_sim_dev.d_len > 0)
                {
-#ifdef CONFIG_NET_IPv4
                   /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
                   if (IFF_IS_IPv4(g_sim_dev.d_flags))
                     {
                       arp_out(&g_sim_dev);
                     }
+                  else
+#endif
+#ifdef CONFIG_NET_IPv6
+                    {
+                      neighbor_out(&g_sim_dev);
+                    }
 #endif
 
                   /* And send the packet */
diff --git a/arch/z80/src/ez80/ez80_emac.c b/arch/z80/src/ez80/ez80_emac.c
index 488dd18235e..7ea5b47ac97 100644
--- a/arch/z80/src/ez80/ez80_emac.c
+++ b/arch/z80/src/ez80/ez80_emac.c
@@ -1307,6 +1307,12 @@ static int ez80emac_receive(struct ez80emac_driver_s *priv)
                 {
                   arp_out(&priv->dev);
                 }
+#ifdef CONFIG_NET_IPv6
+              else
+                {
+                  neighbor_out(&priv->dev);
+                }
+#endif
 
               /* And send the packet */
 
@@ -1331,13 +1337,19 @@ static int ez80emac_receive(struct ez80emac_driver_s *priv)
 
           if (priv->dev.d_len > 0)
            {
-#ifdef CONFIG_NET_IPv4
               /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
               if (IFF_IS_IPv4(priv->dev.d_flags))
                 {
                   arp_out(&priv->dev);
                 }
+              else
+#endif
+#ifdef CONFIG_NET_IPv6
+                {
+                  neighbor_out(&priv->dev);
+                }
 #endif
 
               /* And send the packet */
diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c
index 4002a078b7a..47d92f78277 100644
--- a/drivers/net/cs89x0.c
+++ b/drivers/net/cs89x0.c
@@ -472,6 +472,12 @@ static void cs89x0_receive(struct cs89x0_driver_s *cs89x0, uint16_t isq)
             {
               arp_out(&cs89x0->cs_dev);
             }
+#ifdef CONFIG_NET_IPv6
+          else
+            {
+              neighbor_out(&s89x0->cs_dev);
+            }
+#endif
 
           /* And send the packet */
 
@@ -495,13 +501,19 @@ static void cs89x0_receive(struct cs89x0_driver_s *cs89x0, uint16_t isq)
 
       if (cs89x0->cs_dev.d_len > 0)
         {
-#ifdef CONFIG_NET_IPv4
           /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
           if (IFF_IS_IPv4(cs89x0->cs_dev.d_flags))
             {
               arp_out(&cs89x0->cs_dev);
             }
+          else
+#endif
+#ifdef CONFIG_NET_IPv6
+            {
+              neighbor_out(&cs89x0->cs_dev);
+            }
 #endif
 
           /* And send the packet */
diff --git a/drivers/net/dm90x0.c b/drivers/net/dm90x0.c
index 729cc3baaf7..c7f7d8b69cc 100644
--- a/drivers/net/dm90x0.c
+++ b/drivers/net/dm90x0.c
@@ -1016,6 +1016,12 @@ static void dm9x_receive(struct dm9x_driver_s *dm9x)
                     {
                       arp_out(&dm9x->dm_dev);
                     }
+#ifdef CONFIG_NET_IPv6
+                  else
+                    {
+                      neighbor_out(&dm9x->dm_dev);
+                    }
+#endif
 
                   /* And send the packet */
 
@@ -1039,13 +1045,19 @@ static void dm9x_receive(struct dm9x_driver_s *dm9x)
 
               if (dm9x->dm_dev.d_len > 0)
                {
-#ifdef CONFIG_NET_IPv4
                   /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
                   if (IFF_IS_IPv4(dm9x->dm_dev.d_flags))
                     {
                       arp_out(&dm9x->dm_dev);
                     }
+                  else
+#endif
+#ifdef CONFIG_NET_IPv6
+                    {
+                      neighbor_out(&dm9x->dm_dev);
+                    }
 #endif
 
                   /* And send the packet */
diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
index 543fa93b0a3..9fc546ec993 100644
--- a/drivers/net/e1000.c
+++ b/drivers/net/e1000.c
@@ -603,6 +603,12 @@ static void e1000_receive(struct e1000_dev *e1000)
                 {
                   arp_out(&e1000->netdev);
                 }
+#ifdef CONFIG_NET_IPv6
+              else
+                {
+                  neighbor_out(&e1000->netdev);
+                }
+#endif
 
               /* And send the packet */
 
@@ -626,13 +632,19 @@ static void e1000_receive(struct e1000_dev *e1000)
 
           if (e1000->netdev.d_len > 0)
            {
-#ifdef CONFIG_NET_IPv4
               /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
               if (IFF_IS_IPv4(e1000->netdev.d_flags))
                 {
                   arp_out(&e1000->netdev);
                 }
+              else
+#endif
+#ifdef CONFIG_NET_IPv6
+                {
+                  neighbor_out(&e1000->netdev);
+                }
 #endif
 
               /* And send the packet */
diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c
index 6516250c69a..18ec1e44933 100644
--- a/drivers/net/enc28j60.c
+++ b/drivers/net/enc28j60.c
@@ -1412,6 +1412,12 @@ static void enc_rxdispatch(FAR struct enc_driver_s *priv)
             {
               arp_out(&priv->dev);
             }
+#ifdef CONFIG_NET_IPv6
+          else
+            {
+              neighbor_out(&priv->dev);
+            }
+#endif
 
           /* And send the packet */
 
@@ -1435,13 +1441,19 @@ static void enc_rxdispatch(FAR struct enc_driver_s *priv)
 
       if (priv->dev.d_len > 0)
         {
-#ifdef CONFIG_NET_IPv4
           /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
           if (IFF_IS_IPv4(priv->dev.d_flags))
             {
               arp_out(&priv->dev);
             }
+          else
+#endif
+#ifdef CONFIG_NET_IPv6
+            {
+              neighbor_out(&priv->dev);
+            }
 #endif
 
           /* And send the packet */
diff --git a/drivers/net/encx24j600.c b/drivers/net/encx24j600.c
index e3dd1e8e725..5ed7c2dea82 100644
--- a/drivers/net/encx24j600.c
+++ b/drivers/net/encx24j600.c
@@ -1540,6 +1540,12 @@ static void enc_rxdispatch(FAR struct enc_driver_s *priv)
                 {
                   arp_out(&priv->dev);
                 }
+#ifdef CONFIG_NET_IPv6
+              else
+                {
+                  neighbor_out(&priv->dev);
+                }
+#endif
 
               /* And send the packet */
 
@@ -1572,13 +1578,19 @@ static void enc_rxdispatch(FAR struct enc_driver_s *priv)
 
           if (priv->dev.d_len > 0)
            {
-#ifdef CONFIG_NET_IPv4
               /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
               if (IFF_IS_IPv4(priv->dev.d_flags))
                 {
                   arp_out(&priv->dev);
                 }
+              else
+#endif
+#ifdef CONFIG_NET_IPv6
+                {
+                  neighbor_out(&priv->dev);
+                }
 #endif
 
               /* And send the packet */
diff --git a/drivers/net/skeleton.c b/drivers/net/skeleton.c
index 38dc32181ce..a9423473002 100644
--- a/drivers/net/skeleton.c
+++ b/drivers/net/skeleton.c
@@ -326,6 +326,12 @@ static void skel_receive(FAR struct skel_driver_s *skel)
                 {
                   arp_out(&skel->sk_dev);
                 }
+#ifdef CONFIG_NET_IPv6
+              else
+                {
+                  neighbor_out(&kel->sk_dev);
+                }
+#endif
 
               /* And send the packet */
 
@@ -349,13 +355,19 @@ static void skel_receive(FAR struct skel_driver_s *skel)
 
           if (skel->sk_dev.d_len > 0)
            {
-#ifdef CONFIG_NET_IPv4
               /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
               if (IFF_IS_IPv4(skel->sk_dev.d_flags))
                 {
                   arp_out(&skel->sk_dev);
                 }
+              else
+#endif
+#ifdef CONFIG_NET_IPv6
+                {
+                  neighbor_out(&skel->sk_dev);
+                }
 #endif
 
               /* And send the packet */
diff --git a/drivers/net/vnet.c b/drivers/net/vnet.c
index db1665897e5..3def6e8d1f4 100644
--- a/drivers/net/vnet.c
+++ b/drivers/net/vnet.c
@@ -339,6 +339,12 @@ void rtos_vnet_recv(struct rgmp_vnet *rgmp_vnet, char *data, int len)
                 {
                   arp_out(&vnet->sk_dev);
                 }
+#ifdef CONFIG_NET_IPv6
+              else
+                {
+                  neighbor_out(&vnet->sk_dev);
+                }
+#endif
 
               /* And send the packet */
 
@@ -362,13 +368,19 @@ void rtos_vnet_recv(struct rgmp_vnet *rgmp_vnet, char *data, int len)
 
           if (vnet->sk_dev.d_len > 0)
            {
-#ifdef CONFIG_NET_IPv4
               /* Update the Ethernet header with the correct MAC address */
 
+#ifdef CONFIG_NET_IPv4
               if (IFF_IS_IPv4(vnet->sk_dev.d_flags))
                 {
                   arp_out(&vnet->sk_dev);
                 }
+              else
+#endif
+#ifdef CONFIG_NET_IPv6
+                {
+                  neighbor_out(&vnet->sk_dev);
+                }
 #endif
 
               /* And send the packet */