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@@ -117,10 +117,12 @@
 
 
 
      -d    Delete an entry for the host called hostname.
 
+           Note that ARP entries for IPMP data and test addresses
+           are managed by the kernel, and thus cannot be deleted.
 
 
 
 
 SunOS 5.11          Last change: 25 Jul 2006                    2

@@ -165,11 +167,30 @@
            is not physically present on a subnet. Another machine
            can  then  be  configured  to  respond to ARP requests
            using arp -s. This is useful in  certain  SLIP  confi-
            gurations.
 
+           Non-temporary proxy ARP entries for  an IPMP group are
+           automatically managed by the kernel.  Specifically, if
+           the hardware address  in an entry matches the hardware
+           address of an IP  interface in an  IPMP group, and the
+           IP  address is not local to   the system, this will be
+           regarded as an IPMP proxy  ARP entry.  This entry will
+           have  its hardware address  automatically adjusted  in
+           order to keep the IP address  reachable so long as the
+           IPMP group has not entirely failed.
 
+           ARP entries  must be consistent  across an IPMP group.
+           Therefore, ARP   entries  cannot be   associated  with
+           individual underlying  IP interfaces in an IPMP group,
+           and must  instead be associated with the corresponding
+           IPMP IP interface.
+
+           Note that ARP entries for IPMP data and test addresses
+           are managed by the kernel, and thus cannot be changed.
+
+
 ATTRIBUTES
      See attributes(5) for descriptions of the  following  attri-
      butes: