diff --git a/include/netutils/netlib.h b/include/netutils/netlib.h
index 41cc7a01e..f6e52ba13 100644
--- a/include/netutils/netlib.h
+++ b/include/netutils/netlib.h
@@ -135,8 +135,8 @@ int netlib_setnodeaddr(FAR const char *ifname,
                        FAR const struct pktradio_addr_s *nodeaddr);
 int netlib_getnodnodeaddr(FAR const char *ifname,
                           FAR struct pktradio_addr_s *nodeaddr);
-int netlib_nodeaddrconv(FAR const char *addrstr,
-                        FAR struct pktradio_addr_s *nodeaddr);
+bool netlib_nodeaddrconv(FAR const char *addrstr,
+                         FAR struct pktradio_addr_s *nodeaddr);
 #endif
 #endif
 
diff --git a/netutils/netlib/netlib_nodeaddrconv.c b/netutils/netlib/netlib_nodeaddrconv.c
index 1bff6f00a..2770585fa 100644
--- a/netutils/netlib/netlib_nodeaddrconv.c
+++ b/netutils/netlib/netlib_nodeaddrconv.c
@@ -47,6 +47,7 @@
 #include <string.h>
 #include <assert.h>
 #include <errno.h>
+#include <debug.h>
 
 #include "nuttx/wireless/pktradio.h"
 #include "netutils/netlib.h"
@@ -116,17 +117,18 @@ static int get_byte(FAR const char *ptr, FAR uint8_t *byte)
  *   nodeadd - Location to return the node address
  *
  * Return:
- *   0 on success; -1 on failure.  errno will be set on failure.
+ *   true on success; false on failure.
  *
  ****************************************************************************/
 
-int netlib_nodeaddrconv(FAR const char *addrstr,
-                        FAR struct pktradio_addr_s *nodeaddr)
+bool netlib_nodeaddrconv(FAR const char *addrstr,
+                         FAR struct pktradio_addr_s *nodeaddr)
 {
   uint8_t byte;
   int ret;
 
   DEBUGASSERT(addrstr != NULL && nodeaddr != NULL);
+  memset(nodeaddr, 0, sizeof(struct pktradio_addr_s));
 
   /* FORM: xx:xx:...:xx */
 
@@ -146,7 +148,8 @@ int netlib_nodeaddrconv(FAR const char *addrstr,
       ret = get_byte(addrstr, &byte);
       if (ret < 0)
         {
-          goto errout;
+          wlwarn("get_byte failed: %s\n", addrstr);
+          return false;
         }
 
       /* Save the byte */
@@ -173,20 +176,16 @@ int netlib_nodeaddrconv(FAR const char *addrstr,
         }
       else if (*addrstr == '\0')
         {
-          return OK;
+          return true;
         }
       else
         {
-          ret = -EINVAL;
-          goto errout;
+          wlwarn("Unexpect delimiter: %s\n", addrstr);
+          break;
         }
     }
 
-  ret = -E2BIG;
-
-errout:
-  errno = -ret;
-  return ERROR;
+  return false;
 }
 
 #endif /* CONFIG_NET_6LOWPAN && CONFIG_NSOCKET_DESCRIPTORS */
diff --git a/nshlib/nsh_netcmds.c b/nshlib/nsh_netcmds.c
index 80efb4c07..3d20116de 100644
--- a/nshlib/nsh_netcmds.c
+++ b/nshlib/nsh_netcmds.c
@@ -758,7 +758,7 @@ int cmd_ifup(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
 
   if (argc != 2)
     {
-      nsh_output(vtbl, "Please select nic_name:\n");
+      nsh_output(vtbl, "Please select ifname:\n");
       return nsh_foreach_netdev(ifconfig_callback, vtbl, "ifup");
     }
 
@@ -781,7 +781,7 @@ int cmd_ifdown(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
 
   if (argc != 2)
     {
-      nsh_output(vtbl, "Please select nic_name:\n");
+      nsh_output(vtbl, "Please select ifname:\n");
       return nsh_foreach_netdev(ifconfig_callback, vtbl, "ifdown");
     }
 
@@ -821,6 +821,7 @@ int cmd_ifconfig(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
 #if defined(CONFIG_NET_IPv4) && defined(CONFIG_NET_IPv6)
   bool inet6 = false;
 #endif
+  bool missingarg = true;
   bool badarg = false;
 #ifdef HAVE_HWADDR
   mac_addr_t macaddr;
@@ -852,24 +853,22 @@ int cmd_ifconfig(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
   /* If both the network interface name and an IP address are supplied as
    * arguments, then ifconfig will set the address of the Ethernet device:
    *
-   *    ifconfig nic_name ip_address
+   *    ifconfig ifname [ip_address] [named options]
    */
 
   if (argc > 2)
     {
-      for (i = 0; i < argc; i++)
+      for (i = 1; i < argc; i++)
         {
           if (i == 1)
             {
               ifname = argv[i];
-            }
-          else if (i == 2)
-            {
-              hostip = argv[i];
+              missingarg = false;
             }
           else
             {
               tmp = argv[i];
+
               if (!strcmp(tmp, "dr") || !strcmp(tmp, "gw") || !strcmp(tmp, "gateway"))
                 {
                   if (argc - 1 >= i + 1)
@@ -944,16 +943,30 @@ int cmd_ifconfig(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
                     }
                 }
 #endif
+              else if (i == 2)
+                {
+                  hostip = tmp;
+                }
+              else
+                {
+                  badarg = true;
+                }
             }
         }
     }
 
-  if (badarg)
+  if (missingarg)
     {
       nsh_output(vtbl, g_fmtargrequired, argv[0]);
       return ERROR;
     }
 
+  if (badarg)
+    {
+      nsh_output(vtbl, g_fmtarginvalid, argv[0]);
+      return ERROR;
+    }
+
 #ifdef HAVE_HWADDR
   /* Set Hardware Ethernet MAC address */
   /* REVISIT: How will we handle Ethernet and SLIP networks together? */