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Frequently Asked Questions (FAQS);faqs.109
CL Chile FI B *
CM Cameroon
CN China *
CO Colombia B *
CR Costa Rica B *
CS Czechoslovakia FI B *
CU Cuba
CV Cape Verde
CX Christmas Island
CY Cyprus B *
DE Germany FI B *
DJ Djibouti
DK Denmark FI B *
DM Dominica
DO Dominican Republic P
DZ Algeria B *
EC Ecuador FI B *
EE Estonia FI * Ex-USSR also via .su domain
EG Egypt B *
EH Western Sahara
ES Spain FI B *
ET Ethiopia
FI Finland FI B *
FJ Fiji *
FK Falkland Isl.(Malvinas)
FM Micronesia
FO Faroe Islands
FR France FI B *
FX France (European Ter.) ???
GA Gabon
GB Great Britain (UK) FI * X.400 address gateway
GD Grenada
GE Georgia Ex-USSR
GH Ghana
GI Gibraltar
GL Greenland
GP Guadeloupe (Fr.)
GQ Equatorial Guinea
GF Guyana (Fr.)
GM Gambia
GN Guinea
GR Greece FI B *
GT Guatemala P
GU Guam (US)
GW Guinea Bissau
GY Guyana
HK Hong Kong FI B *
HM Heard & McDonald Isl.
HN Honduras
HR Croatia PFI * Ex-Yugoslavia via .yu
HT Haiti
HU Hungary FI B *
ID Indonesia *
IE Ireland FI B *
IL Israel FI B *
IN India FI B *
IO British Indian O. Terr.
IQ Iraq
IR Iran
IS Iceland FI *
IT Italy FI B *
JM Jamaica
JO Jordan
JP Japan FI B *
KE Kenya
KG Kirgistan Ex-USSR
KH Cambodia
KI Kiribati
KM Comoros
KN St.Kitts Nevis Anguilla P
KP Korea (North)
KR Korea (South) FI B *
KW Kuwait PFI B * No computers for Gulfnet(B)
KY Cayman Islands
KZ Kazachstan Ex-USSR
LA Laos
LB Lebanon
LC Saint Lucia P
LI Liechtenstein
LK Sri Lanka P
LR Liberia
LS Lesotho
LT Lithuania * Ex-USSR
LU Luxembourg
LV Latvia * Ex-USSR
LY Libya
MA Morocco
MC Monaco
MD Moldavia Ex-USSR
MG Madagascar
MH Marshall Islands
ML Mali
MM Myanmar
MN Mongolia
MO Macau P
MP Northern Mariana Isl.
MQ Martinique (Fr.)
MR Mauritania
MS Montserrat
MT Malta
MU Mauritius
MV Maldives
MW Malawi
MX Mexico FI B *
MY Malaysia *
MZ Mozambique P
NA Namibia *
NC New Caledonia (Fr.)
NE Niger
NF Norfolk Island
NG Nigeria
NI Nicaragua P
NL Netherlands FI B *
NO Norway FI B *
NP Nepal
NR Nauru
NT Neutral Zone
NU Niue
NZ New Zealand FI *
OM Oman
PA Panama
PE Peru
PF Polynesia (Fr.)
PG Papua New Guinea *
PH Philippines
PK Pakistan *
PL Poland FI B *
PM St. Pierre & Miquelon
PN Pitcairn
PT Portugal FI B *
PR Puerto Rico (US) FI B *
PW Palau
PY Paraguay *
QA Qatar
RE Reunion (Fr.) FI * In .fr domain
RO Romania P Future BITNET connection
RU Russian Federation Ex-USSR
RW Rwanda
SA Saudi Arabia B * GulfNet
SB Solomon Islands
SC Seychelles
SD Sudan
SE Sweden FI B *
SG Singapore FI B *
SH St. Helena
SI Slovenia PFI * Ex-Yugoslavia also via .yu
SJ Svalbard & Jan Mayen Is
SL Sierra Leone
SM San Marino
SN Senegal
SO Somalia
SR Suriname
ST St. Tome and Principe
SU Soviet Union FI B * Still used.
SV El Salvador
SY Syria
SZ Swaziland
TC Turks & Caicos Islands
TD Chad
TF French Southern Terr.
TG Togo
TH Thailand FI *
TJ Tadjikistan Ex-USSR
TK Tokelau
TM Turkmenistan Ex-USSR
TN Tunisia FI B *
TO Tonga
TP East Timor
TR Turkey B *
TT Trinidad & Tobago
TV Tuvalu
TW Taiwan FI B *
TZ Tanzania
UA Ukraine * Ex-USSR via .su domain
UG Uganda
UK United Kingdom FI B * ISO 3166 code is GB
UM US Minor outlying Isl.
US United States FI * .us sites NOT on BITNET (4)
UY Uruguay *
UZ Uzbekistan Ex-USSR
VA Vatican City State
VC St.Vincent & Grenadines P
VE Venezuela *
VG Virgin Islands (British)
VI Virgin Islands (US)
VN Vietnam
VU Vanuatu
WF Wallis & Futuna Islands
WS Samoa
YE Yemen
YU Yugoslavia FI B * Bitnet not at the moment
ZA South Africa FI *
ZM Zambia
ZR Zaire
ZW Zimbabwe *
See Note [5] for the next fields:
ARPA Old style Arpanet * alias still works !!!
COM Commercial FI *
EDU Educational FI B *
GOV Government FI *
INT International field FI * used by Nato
MIL US Military FI *
NATO Nato field * being replaced by .int
NET Network FI *
ORG Non-Profit OrganizationFI *
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
DISCLAIMER: while every effort is made to provide accurate information,
this list is not guaranteed to be accurate. This document is in NO WAY
an official document. The information given should not be used as a basis
for routing tables but only as general end-user information. This is a
voluntary effort. I would appreciate greatly if errors/omissions could
be pointed out to me and they would be corrected in the next release.
The information included in this document implies no view whatsoever
regarding questions of sovereignty or the status of any place listed.
Affiliation to Imperial College is given for identification purposes only.
--
Olivier M.J. Crepin-Leblond, Digital Comms. Section, Elec. Eng. Department
Imperial College of Science, Technology and Medicine, London SW7 2BT, UK
Internet/Bitnet: <foobar@ic.ac.uk> - Janet: <foobar@uk.ac.ic>
Xref: bloom-picayune.mit.edu comp.unix.ultrix:17839 comp.sys.dec:13371 news.answers:4363
Newsgroups: comp.unix.ultrix,comp.sys.dec,news.answers
Path: bloom-picayune.mit.edu!enterpoop.mit.edu!ira.uka.de!news.belwue.de!ifi!news
From: treese@lcs.mit.edu
Subject: comp.unix.ultrix Frequently Asked Questions
Version: 1.4
Message-ID: <1992Dec2.134523.26063@ifi.informatik.uni-stuttgart.de>
Followup-To: comp.unix.ultrix
Summary: This posting contains a list of Frequently Asked Questions
(and their answers) about the ULTRIX operating system from
Digital Equipment Corporation.
Last-Modified: 30 November 1992
Sender: news@informatik.uni-stuttgart.de
Organization: Informatik, Uni Stuttgart, Germany
Date: Wed, 2 Dec 1992 13:45:23 GMT
Approved: news-answers-request@MIT.Edu
Archive-Name: ultrix-faq
Lines: 1563
This is the Frequently Asked Questions posting for comp.unix.ultrix. It
is also posted on comp.sys.dec, but it is not a full FAQ for comp.sys.dec.
This FAQ is available in the following archive sites, in the file
/pub/DEC/ultrix-faq.txt.
gatekeeper.dec.com
crl.dec.com
decuac.dec.com
It can also be obtained by sending mail to ftpmail@pa.dec.com with the
following lines:
connect
get /pub/DEC/ultrix-faq.txt
If the location of a file in an archive is not specifically mentioned
below, it is in /pub/DEC on the above machines.
To make suggestions for changes or additions to this Frequently Asked
Questions list, send mail to ultrix-faq@crl.dec.com. Answers are
especially appreciated.
An archive of recent postings to comp.unix.ultrix can be found via
anonymous FTP on ftp.cc.rochester.edu in /pub/usenet/comp.unix.ultrix.
Thanks to folks at the University of Rochester for providing this
service.
Some general notes:
When used alone, the word "DECstation" is used to mean any of the
DECstations or DECsystems that use MIPS RISC processors.
Unless otherwise specified, these answers refer to ULTRIX 4.3, which is
the current release of ULTRIX.
Many people have contributed to this list, directly or indirectly. In
some cases, an answer has been adapted from one or more postings on the
comp.unix.ultrix newsgroup. Our thanks to all of those who post answers.
The name (or names) at the end of an entry indicate that the information
was taken from postings by those individuals; the text may have been
edited for this FAQ.
This posting is not an official statement from Digital Equipment Corporation.
Alpha
=====================================================
A1. Where can I get more information about Alpha? **NEW**
A2. Where can I find software that has been ported to Alpha? **NEW**
A3. How well do Alpha systems perform? **NEW**
A4. What does the "AXP" in "DEC 3000 Model 400 AXP Workstation" mean? **NEW**
Software
======================================================
S1. How do I play music CDs on DEC CD-ROM drives?
S2. Why does dxpsview sometimes crash with an X error?
S3. How do I compile perl on RISC/ULTRIX?
S4. Is it possible to run the newer 4.3 BSD syslogd on ULTRIX?
S5. Where can I get a T-shell (tcsh) that works on ULTRIX 4.2?
S6. How do I build gdb on RISC/ULTRIX?
S7. Why doesn't "talk" work between DECstations and other machines?
S8. Why doesn't troff work? **NEW**
S9. How are /bin/sh and /usr/bin/sh5 related? **NEW**
Installation
======================================================
I1. How do I copy a setld(8) tape?
I2. How do I copy a CDROM installation kit to TK50?
Network
======================================================
N1. What does the message "named: accept: Too many open files" in syslog mean,
and how can I fix it?
N2. Why don't packet-filter applications like "tcpdump" or CAP work? **CHANGED*
N3. OK, I've done all that and CAP still doesn't run.
N4. I want to run the "screend" program but I get "Operation not supported
on socket".
N5. I want to use screend but I'm not sure how to set up the
/etc/screend.conf configuration file.
N6. Why can't ULTRIX 4.2 mount NFS filesystems that could be mounted with
ULTRIX 4.1?
N7. How do I change the IP address of a diskless client?
N8. Is ONC RPC (formerly "Sun RPC") supported under ULTRIX - and what should I
do to port my existing applications that rely on it?
N9. How can I disable forwarding of IP packets on an ULTRIX system with two
network interfaces?
N10. How can I run network daemons from inetd as users other than root? **NEW**
N11. How do I decode "stale filehandle" messages from NFS? **NEW**
Disk
======================================================
D1. Why doesn't ULTRIX 4.1 work with disks bigger than 1.2GBytes?
D2. Where can I get a disktab entry for the XXX disk?
Programming
======================================================
P1. What does "unaligned access" mean, and how can I fix it?
Laser and Line Printers
======================================================
L1. Where can I get a printcap entry for the XXX printer?
Graphics
======================================================
G1. Why does the X server use so much memory?
G2. How can I build an X11R5 server for an ULTRIX 4.1 machine?
G3. How do I change or get rid of the Digital logo on the login screen of
my workstation?
G4. How do I run MIT X11 Software?
G5. How do I build X software that I got from the net?
G6. Why do some applications run slowly on the DECstation PX and PXG
displays?
Hardware
======================================================
H1. What are the pinouts of the MMJ jacks on the back of various DECstations
and VAXstations?
H2. How do I set the SCSI ID on an RZ25?
H3. How can I get detailed information on the TURBOchannel?
H4. What third-party hardware can I get for the TURBOchannel? **NEW**
H5. Can I mix 8-Megabyte and 32-Megabyte boards in the DECstation 5000/xxx
family?
H6. How can I find out which type of DECstation 5000 I have?
Miscellaneous
======================================================
M1. What is the floating-point number representation on ULTRIX?
M2. If the console is a graphics device, can it be used as a terminal for
full-screen applications?
M3. How do I read a tar image from a TK50 tape if my only TK50 is on a VMS
machine?
M4. Where can I get free source code for interesting programs on ULTRIX?
M5. Where can I get technical information on the DECstation family of machines?
M6. Where can I get performance information about DECstations? **CHANGED**
M7. Why can't I submit a bug report by electronic mail?
M8. How do I send mail to Digital employees?
M9. How do I get a list of available patches for my release of Ultrix?
M10. How can I get files available by anonymous FTP if I'm not connected
to the Internet?
M11. How can I write documentation in Bookreader format? **NEW**
M12. Why does ULTRIX restrict the number of users on the system? **NEW**
M13. Where else can I discuss ULTRIX with other users? **NEW**
M14. Where can I get on-line copies of the DEC Software Product Descriptions
(SPD)? **NEW*
******************** Alpha ***************************************
=====================================================
A1. Where can I get more information about Alpha? **NEW**
A variety of documents about the Alpha architecture and systems can be
copied from gatekeeper.dec.com:/pub/DEC/Alpha. See the README file for
more information.
=====================================================
A2. Where can I find software that has been ported to Alpha? **NEW**
gatekeeper.dec.com:/pub/DEC/Alpha/apps has several free programs that
have been ported to Alpha. Alpha support is also appearing in many
kits from the originator.
=====================================================
A3. How well do Alpha systems perform? **NEW**
Here is the SPEC performance summary for the Alpha systems announced
in November, 1992:
DEC 10000 Model 610 AXP, @200 MHz
SPECmark89 184.14
SPECint89 104.52
SPECfp89 268.60
SPECint92 106.54
SPECfp92 200.36
DEC 7000 Model 610 AXP, @182 MHz
SPECmark89 167.43
SPECint89 95.06
SPECfp89 244.18
SPECint92 96.58
SPECfp92 182.11
DEC 4000 Model 610 AXP, @160 MHz
SPECmark89 136.23
SPECint89 83.73
SPECfp89 188.45
SPECint92 83.51
SPECfp92 143.10
DEC 3000 Model 500 AXP, @150 MHz
SPECmark89 121.50
SPECint89 73.47
SPECfp89 169.89
SPECint92 74.30
SPECfp92 126.0
DEC 3000 Model 400 AXP, @133 MHz
SPECmark89 108.14
SPECint89 65.80
SPECfp89 150.6
SPECint92 65.32
SPECfp92 112.2
=====================================================
A4. What does the "AXP" in "DEC 3000 Model 400 AXP Workstation" mean? **NEW**
The AXP is part of the trademark. Trademarking a name internationally
is challenging.
******************** Software ***************************************
==============================================
S1. How do I play music CDs on DEC CD-ROM drives?
Music CDs can be played through a speaker jack on RRD42 CD-ROM drives,
which is the one contained in the DECstation 5000/{120,125} box.
There are two different programs: A command line version and a
Motif-based version. Both can be found in:
gatekeeper.dec.com or decuac.dec.com
in /pub/DEC:
cdp.c[.Z] /* command line version */
xcd_source.tar.Z /* Motif version. */
Neither of these programs is supported by Digital.
==============================================
S2. Why does dxpsview sometimes crash with an X error?
dxpsview will often behave better if the "Watch Progress" item is selected
from the Options menu. You can use the following resource in your
.Xdefaults file:
DPSViewer*watchProgress: on
to make this the default behavior.
Some have reported that disabling the use of PostScript comments also helps:
DPSViewer*useComments: off
==============================================
S3. How do I compile perl on RISC/ULTRIX?
The following is valid for perl 4.0, patchlevel 10. They will probably
change in patchlevel 19.
The biggest trick in compiling perl on RISC/ULTRIX is fixing its
notion of "volatile". To do this, when Configure stops and asks you
if you want to edit config.sh, do so. Search for the word "volatile"
and change the "define" on that line to "undef".
On machines with a relatively small amount of memory, you may not want
to use -O on eval.c, since the compiler can end up taking a long time
to compile that file.
If the source directory is NFS-mounted, it is usually the case that you
will see the message
io/fs..........FAILED on test 18
This is harmless and can be ignored.
For patchlevel 19, you can ignore the comments above about "volatile".
==============================================
S4. Is it possible to run the newer 4.3 BSD syslogd on ULTRIX?
A version of the 4.3BSD syslog library and daemon that detects either
4.2bsd-compatible clients (which is what the Ultrix libc.a will help
you create) or 4.3bsd-compatible clients, which are more flexible, is
available by anonymous FTP from gatekeeper.dec.com in
/pub/DEC/jtkohl-syslog.shar.
Another version that supports regular expressions in syslog.conf is available
from decuac.dec.com, in /pub/DEC/syslog43.urc.tar.Z
==============================================
S5. Where can I get a T-shell (tcsh) that works on ULTRIX 4.2?
Versions of tcsh later than 6.01 run on ULTRIX 4.2. The latest
version the FAQ editor knows is 6.02, available by anonymous FTP from
tesla.ee.cornell.edu. You do not need csh sources for this version of
tcsh.
==============================================
S6. How do I build gdb on RISC/ULTRIX?
To build gdb, you will also need to install the GNU make.
For gdb 4.0 and later:
- unpack the tar file
- cd <tar-root>
- ./configure +subdirs decstation
- cd H-decstation/T-decstation
- gnumake
This will build the gdb binary in
<tar-root>/gdb/H-decstation/T-decstation/gdb
Install this binary in the location of your choice (e.g. /usr/local/bin)
==============================================
S7. Why doesn't "talk" work between DECstations and other machines?
The original Berkeley talk protocol did not use network byte order, so
machines with different byte order could not talk to each other. This
was fixed in 4.3BSD, and in recent versions of ULTRIX. Some vendors
have not fixed their software. The 4.3BSD talk software is available
from many FTP archive sites.
==============================================
S8. Why doesn't troff work? **NEW**
Digital doesn not support troff on ULTRIX, mostly because of the way
AT&T licenses the software now. However, you can use groff (GNU roff)
which works pretty nicely and generates pure PostScript. There's a
RISC/ULTRIX binary kit for groff available for FTP from decuac.dec.com in
[Marcus Ranum, mjr@decuac.dec.com]
==============================================
S9. How are /bin/sh and /usr/bin/sh5 related? **NEW**
/bin/sh on ULTRIX is the traditional Bourne shell.
/usr/bin/sh5 is the newer "System V" shell and has functions and a
few other odds and ends added to it. A comparison of the manual pages
will give an idea of the differences.
[Marcus Ranum, mjr@decuac.dec.com]
******************** Installation ***************************************
==============================================
I1. How do I copy a setld(8) tape?
First, a few words about the format of a setld tape.
Tapes used by setld(8) consist of a number of tape files that contain the
product subsets, installation control files and other stuff. The fourth
file on the tape is an uncompressed tar(1) archive of the inventory files
(.inv), subset control programs (.scp) and control information (.ctrl).
There is also a file that lists the subsets, their sizes and checksums
(.image). The tapes files after the 4th are the subset files. They may or
may not be compressed. They will have a block size of 10 KB. The order of
lines in the .image file is the order of subset on the tape, with the
classic exception.
There are two flavors of tapes; Layered product tapes and ULTRIX
distribution tapes. The first three files on layered product tapes will
typically be space holders and only one 10 KB file. Distribution tapes use
the first three files for other things. The 3rd of these files is dump(8)
image of the root file system. The block size of this file will be 10 KB.
In the .image file for the distribution it would be listed ROOT:
44419 12720 ROOT
01690 12080 UDTBASE420
47187 14340 UDTBIN420
etc...
So, on this distribution tape ROOT is 3rd, the installation control
archive (INSTCTRL) is 4th, UDTBASE420 is 5th and so on.
The first two files are a primary and secondary boot program. Whether
the 2nd is necessary depends on system architecture. The MIPS-based
systems typically only use the first boot file; the VAX uses both.
The block size of the first boot program is 512 bytes.
Copying a setld tape
Use dd(1) to copy each tape file using the appropriate block size. When you
run out of tape input files you're done. For example, if you are using
two tape drives:
dd bs=512 if=/dev/nrmt0h of=/dev/nrmt1h
dd bs=10240 if=/dev/nrmt0h of=/dev/nrmt1h
dd bs=10240 if=/dev/nrmt0h of=/dev/nrmt1h
...
mt -f /dev/nrmt0h rew
mt -f /dev/nrmt1h rew
==============================================
I2. How do I copy a CDROM installation kit to TK50?
The two shell shell scripts below can be used to duplicate CDROM or disk
layered product distributions (note: not the base system) onto a TK50.
They are not supported by Digital.
--------------------------cut here--------------------------------------------
#!/bin/sh5
# cdrom_kitcap
# This script is based on one from "Guide for Preparing Software for
# Distribution" (but this one really works). This script prepares the
# /etc/kitcap file which is needed by the gentapes script to create,
# in this specific case, a copy of cdrom software (layered product only)
# to TK50...
# note: this script uses tmp space, insure $TMPDIR is pointing to a file
# system with enough space to copy files...
# Original author: John R. Frandsen, Digital Equipment Corporation
TMPDIR=/usr/tmp
KITCAP=$TMPDIR/kitcap
CURVOL=1
BINDIR=`pwd`
touch $TMPDIR/space
tar cf $TMPDIR/SPACE $TMPDIR/space
cd instctrl
I=`expr *.image : '\(.*\).image'`
echo "Your product code is $I"
tar cf $TMPDIR/INSTCTRL *
echo "${I}TK:$TMPDIR:SPACE:SPACE:SPACE:INSTCTRL:\\" >> $KITCAP
for S in `awk '{print $3}' *.image`
do
[ $S = ROOT ] && continue
. $S.ctrl
set -- `(IFS=:;echo $MTLOC)`
VOL=$1
LOC=$2
[ $VOL -ne $CURVOL ] &&
{
echo ":%%$VOL CURVOL=$VOL" >> $KITCAP
}
echo ":$S\\" >> $KITCAP
cp $BINDIR/$S $TMPDIR
done
echo >> $KITCAP
mv $TMPDIR/kitcap /etc
cd $BINDIR
--------------------------cut here--------------------------------------------
#!/bin/sh5
# disk_kitcap
# This script is based on one from "Guide for Preparing Software for
# Distribution" (but this one really works). This script prepares the
# /etc/kitcap file which is needed by the gentapes script to create,
# in this specific case, a copy of disk software (layered product only)
# to TK50...
# Original author: John R. Frandsen, Digital Equipment Corporation
KITCAP=/tmp/kitcap
CURVOL=1
touch space
tar cf SPACE space
cd instctrl
I=`expr *.image : '\(.*\).image'`
echo "Your product code is $I"
cp $I.image ..
tar cf ../INSTCTRL *
cd ..
echo "${I}TK:`pwd`:SPACE:SPACE:SPACE:INSTCTRL:\\" >> $KITCAP
cd instctrl
for S in `awk '{print $3}' *.image`
do
[ $S = ROOT ] && continue
. $S.ctrl
set -- `(IFS=:;echo $MTLOC)`
VOL=$1
LOC=$2
[ $VOL -ne $CURVOL ] &&
{
echo ":%%$VOL CURVOL=$VOL" >> $KITCAP
}
echo ":$S\\" >> $KITCAP
done
echo >> $KITCAP
mv /tmp/kitcap /etc
#----------------------------------------------------------------------------
******************** Network ***************************************
==============================================
N1. What does the message "named: accept: Too many open files" in syslog mean,
and how can I fix it?
There is a bug in the ULTRIX version of named that causes it to run
out of file descriptors when it does too many zone transfers. A
somewhat different version of named that does not have this problem
can be found in cra-bind.tar.Z. This version cannot use Kerberos for
server-server authentication, as the ULTRIX version can. It does
support Hesiod data and queries. It is not supported by Digital,
although it is in active use on Digital's Internet machines.
==============================================
N2. Why don't packet-filter applications like "tcpdump" or CAP work?
Probably because you have not configured the packet filter into
the kernel. The default kernel configurations do NOT include the
packet filter. See "man 4 packetfilter" for full details, but basically
the process involves
editing your kernel configuration file
add "options PACKETFILTER"
add "pseudo-device packetfilter"
rebuilding your kernel
installing the new kernel
booting the new kernel
"cd /dev; MAKEDEV pfilt" to create the required entries
You might also want to add the following lines to /etc/rc.local:
[ -f /usr/etc/pfconfig ] && {
/usr/etc/pfconfig +p +c -a 2>&1 & echo -n ' pfconfig' >/dev/console
}
This allows you to use promiscuous-mode applications, such as "tcpdump"
or "nfswatch". Note that the '-a' option to pfconfig allows any user to
spy on the network. If it is omitted, only root may do so.
There are also some patches for ULTRIX 4.2 and 4.2A for the
packetfilter code. Call Digital's Customer Support if you need them.
The official description of the patches is below; here is some
background information. ULTRIX 4.3 has all of the patches included.
Note: these patches cause DECnet-OSI not to work. To run DECnet-OSI
on ULTRIX 4.3, you will need the latest patched version of
net_common.o for 4.3.
Although not mentioned in the description, these patches should also
make Ultrix more forgiving of certain incorrect 802.3 packets. Such
packets are sent by some 3rd-party implementations. I don't think
this will fix the problem in every case, since some Digital Ethernet
interfaces filter out "bad" 802.3 packets in hardware. The patches
should work for DECstations and most DECsystems.
Note that if you install these patches and you have been running CAP,
you should recompile CAP after removing the definition for ULT42PFBUG
from the Configure script. The ULT42PFBUG patch to CAP will not work
once the kernel has been patched. You should also *stop* doing
ifconfig ln0 copyall
once you install the patches.
If you have been using tcpdump, nfswatch, or a similar monitoring
program on an FDDI network, installing these patches will probably
make that not work. You will still be able to use tcpdump on an
Ethernet, of course. The reason for this is that tcpdump only worked
on FDDI networks because of the bug that is fixed by these patches.