--- net-snmp-5.4.1/agent/mibgroup/kernel_sunos5.c	2009-05-11 15:32:06.000000000 -0700

+++ net-snmp-5.4.1.fix/agent/mibgroup/kernel_sunos5.c	2009-05-11 16:47:40.637063871 -0700

@@ -170,7 +170,7 @@

       size_t *length, int (*comp)(void *, void *), void *arg);

 static void 

 set_if_info(mib2_ifEntry_t *ifp, unsigned index, char *name, uint64_t flags,

-            int mtu);

+            boolean_t flags_unknown, int mtu);

 static int get_if_stats(mib2_ifEntry_t *ifp);

 #if defined(HAVE_IF_NAMEINDEX) && defined(NETSNMP_INCLUDE_IFTABLE_REWRITES)

@@ -1332,8 +1332,9 @@

     mib2_ifEntry_t *ifp;

     int             nentries = size / sizeof(mib2_ifEntry_t);

     found_e         result = NOT_FOUND;

-    boolean_t       if_isv6;

+    boolean_t       if_isv6, flags_unknown;

     uint64_t        if_flags;    

+    short           mtu = 0;

     struct if_nameindex *ifname, *ifnp;

     lifrp = &lifreq; 

@@ -1365,6 +1366,7 @@

         memcpy(lifrp->lifr_name, ifnp->if_name, LIFNAMSIZ);

         if_isv6 = B_FALSE;

+        flags_unknown = B_FALSE;

         if (ioctl(ifsd, SIOCGLIFFLAGS, lifrp) < 0) {

             if (ifsd6 == -1) {

                 if ((ifsd6 = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {

@@ -1373,17 +1375,19 @@

                 }

             }

             if (ioctl(ifsd6, SIOCGLIFFLAGS, lifrp) < 0) {

-                snmp_log(LOG_ERR, "SIOCGLIFFLAGS %s: %s\n", 

-                         lifrp->lifr_name, strerror(errno));

-                continue;

+                DEBUGMSGTL(("kernel_sunos5",

+                            "...... SIOCGLIFFLAGS failed\n"));

+                flags_unknown = B_TRUE;

             }

             if_isv6 = B_TRUE;

         } 

         if_flags = lifrp->lifr_flags;

         if (ioctl(if_isv6?ifsd6:ifsd, SIOCGLIFMTU, lifrp) < 0) {

+            mtu = 0;

             DEBUGMSGTL(("kernel_sunos5", "...... SIOCGLIFMTU failed\n"));

-            continue;

+        } else {

+            mtu = lifrp->lifr_mtu;

         }

         memset(ifp, 0, sizeof(mib2_ifEntry_t));

@@ -1398,11 +1402,12 @@

         }

         set_if_info(ifp, ifnp->if_index, ifnp->if_name, if_flags, 

-                    lifrp->lifr_metric);

+                    flags_unknown, mtu);

         if (get_if_stats(ifp) < 0) {

+            snmp_log(LOG_ERR, "Failed to get interface statistics for %s\n",

+                     ifnp->if_name);

             DEBUGMSGTL(("kernel_sunos5", "...... get_if_stats failed\n"));

-            continue;

         }

         /*

@@ -1581,7 +1586,7 @@

 static void

 set_if_info(mib2_ifEntry_t *ifp, unsigned index, char *name, uint64_t flags,

-            int mtu)

+            boolean_t flags_unknown, int mtu)

 { 

     boolean_t havespeed = B_FALSE;

@@ -1592,7 +1597,10 @@

     ifp->ifDescr.o_length = strlen(name);

     strcpy(ifp->ifDescr.o_bytes, name);

     ifp->ifAdminStatus = (flags & IFF_UP) ? 1 : 2;

-    ifp->ifOperStatus = ((flags & IFF_UP) && (flags & IFF_RUNNING)) ? 1 : 2;

+    if (flags_unknown)

+        ifp->ifOperStatus = 4; /* status unknown */

+    else

+        ifp->ifOperStatus = ((flags & IFF_UP) && (flags & IFF_RUNNING)) ? 1 : 2;

     ifp->ifLastChange = 0;      /* Who knows ...  */

     ifp->flags = flags;

     ifp->ifMtu = mtu;