Patch-ID# 103170-06
Keywords: pkt_len ip ifconfig panic tcp performance checksum NFS write fddi
Synopsis: SunOS 5.5_x86: ip driver and ifconfig fixes
Date: Jul/12/96

Solaris Release: 2.5_x86

SunOS Release: 5.5_x86

Unbundled Product:

Unbundled Release:

Xref: This patch available for SPARC as patch 103169

Topic: SunOS 5.5_x86: ip driver fixes

BugId's fixed with this patch: 1188307 1224089 1224148 1232866 1233827 1240331

Changes incorporated in this version: 1233827 1240331

Relevant Architectures: i386

Patches accumulated and obsoleted by this patch:

Patches which conflict with this patch:

Patches required with this patch:

Obsoleted by:

Files included with this patch:

/kernel/drv/ip
/sbin/ifconfig

Problem Description:

1233827 tcp retransmits too much for short connections as seen at web sites
1240331 ifconfig of a non-existent virtual interface creates one even as a regular user

(from 103170-05)

1240331 ifconfig of a non-existent virtual interface creates one even as a regular user

(from 103170-04)

1188307 ill_frag_timeout() panic on Intergraph machines when heavily stressed

(from 103170-03)

1224089 NFS writes hang when doing copy over fddi 3.0.1

(from 103170-02)

1224148 TCP performance becomes unacceptable due to bad checksums generated by 2 .4

(from 103170-01)

1232866 bogus pkt_len (short one) causes ip to panic

Patch Installation Instructions:
--------------------------------
Refer to the Install.info file within the patch for instructions on
using the generic 'installpatch' and 'backoutpatch' scripts provided
with each patch. Any other special or non-generic installation
instructions should be described below.

Special Install Instructions:
-----------------------------

Refer to the file called SPECIAL_NOTE_IFCONFIG shipped with this patch
for the ifconfig manpage.
 
If the reason to install this patch is to fix bugid 1233827 (tcp retransmits
too much for short connections as seen at web sites), the 2.5 tcp patch
(103448-03 or higher) is also required.