diff --git a/net/arp/arp.h b/net/arp/arp.h
index 1c4d44849c6..06a715b93db 100644
--- a/net/arp/arp.h
+++ b/net/arp/arp.h
@@ -164,6 +164,7 @@ struct arp_entry_s
   in_addr_t                at_ipaddr;   /* IP address */
   struct ether_addr        at_ethaddr;  /* Hardware address */
   clock_t                  at_time;     /* Time of last usage */
+  uint8_t                  at_flags;    /* Flags, examples: ATF_PERM */
   FAR struct net_driver_s *at_dev;      /* The device driver structure */
 };
 
@@ -471,6 +472,7 @@ void arp_cleanup(FAR struct net_driver_s *dev);
  *   dev     - The device driver structure
  *   ipaddr  - The IP address as an inaddr_t
  *   ethaddr - Refers to a HW address uint8_t[IFHWADDRLEN]
+ *   flags   - Flags, examples: ATF_PERM(Permanent entry)
  *
  * Returned Value:
  *   Zero (OK) if the ARP table entry was successfully modified.  A negated
@@ -482,7 +484,7 @@ void arp_cleanup(FAR struct net_driver_s *dev);
  ****************************************************************************/
 
 int arp_update(FAR struct net_driver_s *dev, in_addr_t ipaddr,
-               FAR const uint8_t *ethaddr);
+               FAR const uint8_t *ethaddr, uint8_t flags);
 
 /****************************************************************************
  * Name: arp_hdr_update
@@ -623,7 +625,7 @@ void arp_acd_setup(FAR struct net_driver_s *dev);
 #  define arp_find(i,e,d,u) (-ENOSYS)
 #  define arp_delete(i,d) (-ENOSYS)
 #  define arp_cleanup(d)
-#  define arp_update(d,i,m);
+#  define arp_update(d,i,m,f);
 #  define arp_hdr_update(d,i,m);
 #  define arp_snapshot(s,n) (0)
 #  define arp_dump(arp)
diff --git a/net/arp/arp_out.c b/net/arp/arp_out.c
index fa465e30922..120b2deef10 100644
--- a/net/arp/arp_out.c
+++ b/net/arp/arp_out.c
@@ -283,7 +283,7 @@ void arp_out(FAR struct net_driver_s *dev)
        * send ARP request for same destination.
        */
 
-      arp_update(dev, ipaddr, NULL);
+      arp_update(dev, ipaddr, NULL, 0);
 
       /* The destination address was not in our ARP table, so we overwrite
        * the IP packet with an ARP request.
diff --git a/net/arp/arp_send.c b/net/arp/arp_send.c
index 34c5f1acf14..a44bf3dd763 100644
--- a/net/arp/arp_send.c
+++ b/net/arp/arp_send.c
@@ -367,7 +367,7 @@ int arp_send(in_addr_t ipaddr)
 
       if (state.snd_retries == 0)
         {
-          arp_update(dev, ipaddr, NULL);
+          arp_update(dev, ipaddr, NULL, 0);
           sending = true;
         }
 
diff --git a/net/arp/arp_table.c b/net/arp/arp_table.c
index 3cdf35c4c0a..7c65b0f498f 100644
--- a/net/arp/arp_table.c
+++ b/net/arp/arp_table.c
@@ -169,6 +169,10 @@ arp_return_old_entry(FAR struct arp_entry_s *e1, FAR struct arp_entry_s *e2)
     {
       return e2;
     }
+  else if ((e1->at_flags & ATF_PERM) != (e2->at_flags & ATF_PERM))
+    {
+      return (e1->at_flags & ATF_PERM) == 0 ? e1 : e2;
+    }
   else if ((int)(e1->at_time - e2->at_time) <= 0)
     {
       return e1;
@@ -220,7 +224,8 @@ static FAR struct arp_entry_s *arp_lookup(in_addr_t ipaddr,
 
           /* Check if it has expired */
 
-          if (clock_systime_ticks() - tabptr->at_time <= ARP_MAXAGE_TICK)
+          if ((tabptr->at_flags & ATF_PERM) != 0 ||
+              clock_systime_ticks() - tabptr->at_time <= ARP_MAXAGE_TICK)
             {
               return tabptr;
             }
@@ -279,6 +284,7 @@ static void arp_get_arpreq(FAR struct arpreq *output,
  *   dev     - The device driver structure
  *   ipaddr  - The IP address as an inaddr_t
  *   ethaddr - Refers to a HW address uint8_t[IFHWADDRLEN]
+ *   flags   - Flags, examples: ATF_PERM(Permanent entry)
  *
  * Returned Value:
  *   Zero (OK) if the ARP table entry was successfully modified.  A negated
@@ -290,7 +296,7 @@ static void arp_get_arpreq(FAR struct arpreq *output,
  ****************************************************************************/
 
 int arp_update(FAR struct net_driver_s *dev, in_addr_t ipaddr,
-               FAR const uint8_t *ethaddr)
+               FAR const uint8_t *ethaddr, uint8_t flags)
 {
   FAR struct arp_entry_s *tabptr = &g_arptable[0];
 #ifdef CONFIG_NETLINK_ROUTE
@@ -355,10 +361,14 @@ int arp_update(FAR struct net_driver_s *dev, in_addr_t ipaddr,
    * information.
    */
 
-  tabptr->at_ipaddr = ipaddr;
-  memcpy(tabptr->at_ethaddr.ether_addr_octet, ethaddr, ETHER_ADDR_LEN);
-  tabptr->at_dev = dev;
-  tabptr->at_time = clock_systime_ticks();
+  if ((tabptr->at_flags & ATF_PERM) == 0 || (flags & ATF_PERM) != 0)
+    {
+      memcpy(tabptr->at_ethaddr.ether_addr_octet, ethaddr, ETHER_ADDR_LEN);
+      tabptr->at_ipaddr = ipaddr;
+      tabptr->at_time   = clock_systime_ticks();
+      tabptr->at_flags  = flags;
+      tabptr->at_dev    = dev;
+    }
 
   /* Notify the new entry */
 
@@ -401,7 +411,7 @@ void arp_hdr_update(FAR struct net_driver_s *dev, FAR uint16_t *pipaddr,
 
   /* Update the ARP table */
 
-  arp_update(dev, ipaddr, ethaddr);
+  arp_update(dev, ipaddr, ethaddr, 0);
 }
 
 /****************************************************************************
@@ -598,8 +608,8 @@ unsigned int arp_snapshot(FAR struct arpreq *snapshot,
        i++)
     {
       tabptr = &g_arptable[i];
-      if (tabptr->at_ipaddr != 0 &&
-          now - tabptr->at_time <= ARP_MAXAGE_TICK)
+      if (tabptr->at_ipaddr != 0 && ((tabptr->at_flags & ATF_PERM) != 0 ||
+          now - tabptr->at_time <= ARP_MAXAGE_TICK))
         {
           arp_get_arpreq(&snapshot[ncopied], tabptr);
           ncopied++;
diff --git a/net/netdev/netdev_ioctl.c b/net/netdev/netdev_ioctl.c
index 61efcac5f0f..70b05275f7d 100644
--- a/net/netdev/netdev_ioctl.c
+++ b/net/netdev/netdev_ioctl.c
@@ -1491,7 +1491,8 @@ static int netdev_arp_ioctl(FAR struct socket *psock, int cmd,
                */
 
               ret = arp_update(dev, addr->sin_addr.s_addr,
-                               (FAR const uint8_t *)req->arp_ha.sa_data);
+                               (FAR const uint8_t *)req->arp_ha.sa_data,
+                               req->arp_flags);
             }
           else
             {