--- old/usr/src/cmd/fs.d/nfs/etc/nfs.dfl	Wed Jun 17 00:15:41 2009
+++ new/usr/src/cmd/fs.d/nfs/etc/nfs.dfl	Wed Jun 17 00:15:40 2009
@@ -1,14 +1,12 @@
-# ident	"%Z%%M%	%I%	%E% SMI"
 #
-# Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
 # Use is subject to license terms.
 #
 # CDDL HEADER START
 #
 # The contents of this file are subject to the terms of the
-# Common Development and Distribution License, Version 1.0 only
-# (the "License").  You may not use this file except in compliance
-# with the License.
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
 #
 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 # or http://www.opensolaris.org/os/licensing.
@@ -101,3 +99,17 @@
 # the domain to append to outbound attribute strings, and that it is to
 # use 'domain' to compare against inbound attribute strings.
 #NFSMAPID_DOMAIN=domain
+
+# Specifies TCP send and receive buffer size of NFS server connections.
+#
+# To override the default values and force NFS connections to use system-wide
+# default TCP send and receive buffer size, set the corresponding option to 0.
+#
+# Default is 1048576 bytes, which is the current maximum allowable buffer size
+# limited by system-wide 'tcp_max_buf' configuration variable. To set the buffer
+# size beyond the current maximum allowable value, increase 'tcp_max_buf' to
+# a value greater than, or equal to, the desired value for NFS_SERVER_SNDBUFSZ
+# and NFS_SERVER_RCVBUFSZ. 
+#
+#NFS_SERVER_SNDBUFSZ=1048576
+#NFS_SERVER_RCVBUFSZ=1048576