diff --git a/3B2/3b2_ni.c b/3B2/3b2_ni.c
index 36a74cfaf..7e3011325 100644
--- a/3B2/3b2_ni.c
+++ b/3B2/3b2_ni.c
@@ -1096,9 +1096,10 @@ t_stat ni_help(FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const char *cptr)
         "+sim> ATTACH %D en0\n"
         "1 Dependencies\n"
 #if defined(_WIN32)
-        " The WinPcap package must be installed in order to enable\n"
-        " communication with other computers on the local LAN.\n"
+        " The NPcap or WinPcap package must be installed in order to enable\n"
+        " communication with the host system or other computers on the local LAN.\n"
         "\n"
+        " The NPcap package is available from https://github.com/nmap/npcap\n"
         " The WinPcap package is available from http://www.winpcap.org/\n"
 #else
         " To build simulators with the ability to communicate to other computers\n"
diff --git a/PDP11/pdp11_xq.c b/PDP11/pdp11_xq.c
index b9ac51824..f7fe8766f 100644
--- a/PDP11/pdp11_xq.c
+++ b/PDP11/pdp11_xq.c
@@ -3379,7 +3379,7 @@ const char helpString[] =
     "1 Dependencies\n"
 #if defined(_WIN32)
     " The NPcap or WinPcap package must be installed in order to enable\n"
-    " communication with other computers on the local LAN.\n"
+    " communication with the host system or other computers on the local LAN.\n"
     "\n"
     " The NPcap package is available from https://github.com/nmap/npcap\n"
     " The WinPcap package is available from http://www.winpcap.org/\n"
diff --git a/PDP11/pdp11_xu.c b/PDP11/pdp11_xu.c
index a71ce099b..4c13a07a7 100644
--- a/PDP11/pdp11_xu.c
+++ b/PDP11/pdp11_xu.c
@@ -2059,7 +2059,7 @@ const char helpString[] =
     "1 Dependencies\n"
 #if defined(_WIN32)
     " The NPcap or WinPcap package must be installed in order to enable\n"
-    " communication with other computers on the local LAN.\n"
+    " communication with the host system or other computers on the local LAN.\n"
     "\n"
     " The NPcap package is available from https://github.com/nmap/npcap\n"
     " The WinPcap package is available from http://www.winpcap.org/\n"
diff --git a/VAX/vax_nar.c b/VAX/vax_nar.c
index 837fa59d1..0bb60e877 100644
--- a/VAX/vax_nar.c
+++ b/VAX/vax_nar.c
@@ -89,10 +89,13 @@ return SCPE_OK;
 t_stat nar_setmac (UNIT* uptr, int32 val, CONST char* cptr, void* desc)
 {
 t_stat status;
+DEVICE *dptr = find_dev ("XS");
 
 if (!cptr)
     return SCPE_IERR;
-status = eth_mac_scan (&nar_mac, cptr);
+if (uptr->flags & UNIT_ATT)
+    return sim_messagef (SCPE_ALATT, "Can't change MAC address after %s is attached\n", dptr->name);
+status = eth_mac_scan_ex (&nar_mac, cptr, uptr);
 if (status != SCPE_OK)
     return status;
 nar_reset (&nar_dev);
@@ -136,7 +139,8 @@ t_stat r;
 
 if (!nar_init) {                                        /* set initial MAC */
     nar_init = TRUE;
-    r = eth_mac_scan (&nar_mac, "08:00:2B:00:00:00/24");
+    /* Set an initial MAC address in the DEC range */
+    r = nar_setmac (dptr->units, 0, "08:00:2B:00:00:00/24", NULL);
     if (r != SCPE_OK)
         return r;
     }
diff --git a/sim_ether.c b/sim_ether.c
index fe16af357..db987ef22 100644
--- a/sim_ether.c
+++ b/sim_ether.c
@@ -67,7 +67,7 @@
   Compaq Tru64 Unix         ??
   VMS                       Alpha/Itanium VMS only, needs VMS libpcap
   
-  WinPcap is no longer developed or supported by was available from: 
+  WinPcap is no longer developed or supported but was available from: 
                         http://winpcap.polito.it/
   Npcap is a complete replacement for systems running Windows7 and later
   and is available from:
@@ -903,6 +903,7 @@ t_stat eth_show (FILE* st, UNIT* uptr, int32 val, CONST void* desc)
   ETH_LIST  list[ETH_MAX_DEVICE];
   int number;
 
+  fprintf(st, "Ethernet Packet Info: %s\n", eth_version());
   number = eth_devices(ETH_MAX_DEVICE, list, FALSE);
   fprintf(st, "ETH devices:\n");
   if (number == -1)
@@ -2746,7 +2747,7 @@ t_stat eth_attach_help(FILE *st, DEVICE *dptr, UNIT *uptr, int32 flag, const cha
 {
 fprintf (st, "%s attach help\n\n", dptr->name);
 fprintf (st, "   sim> SHOW ETHERNET\n");
-fprintf (st, "   libpcap version 1.0.0\n");
+fprintf (st, "   Ethernet Packet Info: NAT, TAP, VDE, UDP, PCAP: libpcap version 1.10.1 (with TPACKET_V3)\n");
 fprintf (st, "   ETH devices:\n");
 fprintf (st, "    eth0   en0                                  (No description available)\n");
 #if defined(HAVE_TAP_NETWORK)