4953763 Need way to configure NFS window sizes without changing system wide defaults
6216670 NFS server needs a bigger transmit buffer

*** 1,16 ****
- # ident "%Z%%M% %I%     %E% SMI"
  #
! # Copyright 2005 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.
  #
  # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  # or http://www.opensolaris.org/os/licensing.
  # See the License for the specific language governing permissions
  # and limitations under the License.
--- 1,14 ----
  #
! # 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 (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.
  # See the License for the specific language governing permissions
  # and limitations under the License.
*** 99,103 ****
--- 97,115 ----
  # Specifies to nfsmapid daemon that it is to override its default
  # behavior of using the DNS domain, and that it is to use 'domain' as
  # 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