Linux-Networking Digest #305, Volume #11 Thu, 27 May 99 15:13:43 EDT
Contents:
How do you set up 2 network cards? (Matthew Hanselman)
Re: Help: Linux PPP to Windows RAS (Clifford Kite)
Re: ip fowarding (Clifford Kite)
Re: Bell Sympatico ADSL and Linux (Francois Magnan)
Is there a way to send AT commands to a modem during PPP connexion ?
([EMAIL PROTECTED])
Building a Virtual Comport ([EMAIL PROTECTED])
Re: linux and NT? (Alan.J.Thackray)
Re: wu-ftpd Cracked? ("Curt")
How to decrease the time-granularity of linux ? (Julien Godard)
Re: DHCP/DNS Problem w RH5.2; Linux Can't Ping Itself ("Gaston Carmicha�l")
Modem problems ("Nikolas Britton")
Re: Compiling Apache, PHP and Mysql on AIX 4.3.2 (Pierre Baudracco)
Re: HOW-TO: PPP route? ("Curt")
Re: is my internal modem a winmodem? ("Makhno")
HOW-TO: PPP route? ([EMAIL PROTECTED])
Modem Problems ("Nikolas Britton")
How to get multiple replies quickly ([EMAIL PROTECTED])
Grand Junction FastNIC 100 EISA Nic support? ([EMAIL PROTECTED])
Re: How to get multiple replies quickly (Buschman)
Redhat 5 with 3com905B Network Card (Bosco Tsang)
Re: pachell and $100 for dns charges (??) (bryan)
LINUX/NT connectivity ("Jean-Michel ROCHET")
bizarre PPP connection (Guoxiang Xu)
Re: knfsd doesn't follow mounts? ("Bart N. Locanthi")
Re: Kernel 2.2 TCP incompatible with certain Unices? (Solved) (Chris Powell)
Network topology - frame relay ("Terence Parker")
----------------------------------------------------------------------------
From: [EMAIL PROTECTED] (Matthew Hanselman)
Crossposted-To: comp.os.linux.hardware,comp.os.linux.setup
Subject: How do you set up 2 network cards?
Date: 27 May 1999 15:00:20 GMT
Anybody know how to get 2 3Com Etherlink XL cards to work in the same box?
I can't seem to force Linux to put the 2 cards on different IRQ/ports.
The cards come up on IRQ 9 base 0xb800; This append does nothing:
append="ether=5,0xb800,eth0" (eth0 will still be on irq 9)
Or, if I put this into conf.modules, eth0 will never come up:
options 3c59x irq=5
Playing around with the BIOS to force a PCI slot to a particular IRQ has
yielded nothing...
Any ideas?
- Matt
------------------------------
From: kite@NoSpam.%inetport.com (Clifford Kite)
Crossposted-To: comp.protocols.ppp
Subject: Re: Help: Linux PPP to Windows RAS
Date: 27 May 1999 09:11:16 -0500
Matt Eckhaus ([EMAIL PROTECTED]) wrote:
: I can connect using a Windows 95 client, but not using PPP from linux.
: I can also connect from my Linux box to a regular (Unix) PPP server.
: I have read on Deja that I should be able to start a dialup PPP
: connection with no problems.
Hmm.. Which Deja do you use? People don't usually post that they set
up PPP with no problems. Not in my experience.
: But nothing happens after I connect; as far as I can tell the server
: doesn't send anything and it doesn't start PPP.
: What should happen when I connect? Is the server meant to initiate a
: username/password dialog?
Since you connect with Win95 it likely does PAP unless your 95 box is
configured for login/password instead.
This isn't very much to help us help you. There should be log(s) of
the chat chatter and pppd negotiations somewhere that can shed light
on what's happening.
: Are there any configuration options in Redhat that I should have
: selected?
Try configuring for PAP if that's a RH configuration option.
--
Clifford Kite <kite@inet%port.com> Not a guru. (tm)
------------------------------
From: kite@NoSpam.%inetport.com (Clifford Kite)
Subject: Re: ip fowarding
Date: 27 May 1999 09:34:04 -0500
[EMAIL PROTECTED] wrote:
: I am having a lot of problems getting ip forwarding to work with COL
: 2.2. I am hoping someone can help. :) Okay, I checked three things. Is
: support built into the kernel? Yes. Is 1 in ip_forward? Yes. Are there
: any chains that would stop access to and from the computer? No. (This
: is a security risk. I am using it only on a test network.) Here are the
: files that are relavent:
Configure CONFIG_SYSCTL ?
--
Clifford Kite <kite@inet%port.com> Not a guru. (tm)
/* Those who can't write, write manuals. */
------------------------------
Subject: Re: Bell Sympatico ADSL and Linux
From: [EMAIL PROTECTED] (Francois Magnan)
Date: Thu, 27 May 1999 16:35:11 GMT
Hi,
I use Bell sympatico hi-speed edition.
I am running RedHat5.2 with the kernel of RedHat6.0. I suggest you to
stick with RedHat5.2 (or some similar thing) because of the problems
with pump and DHCP in RedHat6.0.
Since I don't know anything about your setup I cannot be of much help
here but if you email me I can give you a hand at this.
Francois
On 05/27/99, Mark Lagace wrote:
>I was wondering if anyone had experience running linux connected to
Bell
>Sympatico ADSL service (1 meg modem). I can't seem to get it to work
>with kernels 2.0.30 or 2.1.125 (haven't downloaded the latest kernels
>yet). Trying to find any technical information from Sympatico's web
page
>is like trying to squeeze water from a rock, but what I could glean
is
>that IP address is dynamic (using DTTCP???), port 80 is proxied using
>automatic proxy configuration but otherwise everything else is open.
>Under windows using winipcfg my IP and gateway show up as 0.0.0.0,
but I
>do have the dns numbers. Any help would be appreciated.
>
>Thanks,
>
>Mark.
>
>--
>
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
-=-=-
> Time is a great teacher, but | Mark Lagace, B.Sc.
> unfortunately it kills all its | Molecular Genetics
> pupils. --Hector Berlioz | Children's Hospital (CHEO)
> quoted in "Almanaque des | Ottawa, Ontario, Canada
> lettres francaises" | [EMAIL PROTECTED]
>
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
-=-=-
>
--
______________________________________________________
Francois Magnan
Departement de Mathematique & Statistiques
Universite de Montreal
email: [EMAIL PROTECTED] (MIME, NeXTMail Ok!)
------------------------------
From: [EMAIL PROTECTED]
Subject: Is there a way to send AT commands to a modem during PPP connexion ?
Date: Thu, 27 May 1999 14:08:40 GMT
Hello,
Is there a way to send AT commands to a modem
during PPP connexion ?
For the moment I've managed to do that :
- start PPP connexion
- stop pppd daemon with ##$kill -19 `cat
/var/run/ppp0.pid`##
- listen the modem with ##$cat /dev/modem##, what
is not possible without stopping pppd daemon
If I send commands to the modem, AFTER PPP
connexion, with ##$echo -ne '+++' > /dev/modem##
for example, these commands are encapsulated ! So
I can see, thanks to the ##"cat /dev/modem"##,
that the modem is recieving :
###############
)o �d @pH?�889�) ccc 5 x[��r ` �b � +++
?^
@pe��88:���
cc 5 x{%�r ` a `fN_1anbbrsrockwellbcom `
` (b P�(o $�!oi �t�b�!*� � +++ ?^
@p�C�88:�$?pcc 5 x���r ` a `
tN_1anbbrsrockwellbcom ` ` (b P�(o
$�!oi x*̷S)SN�@�?"?m?y�XVp�d\-#�C
�\n��f�.I�t�b�!*�w
################
All these garbage instead of +++
So I CAN'T return in on-line command mode, to send
AT commands .....
Does anybody have an idea to achieve this ?
One more thing ! Do you know how make the pppd
daemon continue, after being stopped by ##$kill
-19 `cat /var/run/ppp0.pid`## .... I've managed to
do this too
...
FX
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---Share what you know. Learn what you don't.---
------------------------------
From: [EMAIL PROTECTED]
Subject: Building a Virtual Comport
Date: Thu, 27 May 1999 14:08:37 GMT
Hi,
I am suppose to build an application that perform
a lot of statistics about a PPP connexion ! For
this purpose, I would be able to talk to the modem
via AT commands during the ppp connexion.
According to me, a great solution would be to
create a virtual com port, with which pppd will
talk instead of the real one. A program would
redirect all data recieved on the virtual com to
the real one, until the moment I want to talk to
my modem. Then we enable CTS to tell pppd to
resend later data and we stop redirecting data to
the real port ! We can now send +++, and AT
commands to the modem ! After this, we would
return in online data mode, redirect again the
data and disable CTS !
Does anybody know if there is already such an
application ? Does anybody find good this idea,
think it's possible, and can giving me advises to
build this application ? Does anybody have an
other (better or not) solution ?
Thanks !
Jim
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---Share what you know. Learn what you don't.---
------------------------------
From: [EMAIL PROTECTED] (Alan.J.Thackray)
Subject: Re: linux and NT?
Date: Thu, 27 May 1999 14:37:34 GMT
Assuming you have network cards in each machine, and they are
connected :-)
Install TCP/IP on the NT box, and configure it an IP address.
One microsoft reboot later, and you should be able to ping, telent,
ftp, etc, by IP address.
If you want to connect byt name you will have to add the name/IP of
your Linux box in the /Winnt/system32/ras/drivers/etc/hosts file ?? (
I think that's right ? )
Connecting NT to Linux/Unix by TCP/IP worls really well :-()
On Wed, 26 May 1999 17:09:11 GMT, Tucker Williams
<[EMAIL PROTECTED]> wrote:
>How do I set up my NT machine to telnet into redhat. the guys at redhat
>say it can't be done but, there is always a work-a-round. Also How do I
>setup so that I can ftp into the Linux machine.
>if you have the answer please email me [EMAIL PROTECTED]
>and yes the inet deamon is running
>
------------------------------
Reply-To: "Curt" <[EMAIL PROTECTED]>
From: "Curt" <[EMAIL PROTECTED]>
Subject: Re: wu-ftpd Cracked?
Date: Wed, 26 May 1999 20:42:46 -0500
download the update
ftp://updates.redhat.com/5.2/i386/wu-ftpd-2.4.2b18-2.1.i386.rpm
and run
rpm -U wu-ftpd....
Rick Gocher <[EMAIL PROTECTED]> wrote in message
news:CjZ23.102$[EMAIL PROTECTED]...
> I was told not to run the wu-ftpd that came with my RH box because there
are
> some exploits that will allow people to gain root access on my server. I
> have found several older exploits however can't find anything very recent.
> Does anyone know if this is a problem and if so, what ftp server should I
> run on my RH5.2 box.
>
>
> TIA,
>
> Rick
>
>
------------------------------
From: Julien Godard <[EMAIL PROTECTED]>
Subject: How to decrease the time-granularity of linux ?
Date: Thu, 27 May 1999 17:51:45 +0100
Reply-To: [EMAIL PROTECTED]
Hi all,
I am running tcpdump under linux 2.2.1 and the output looks like that :
16.53.18.379098 ....Bla bla bla
16.53.18.399098 ....Bla bla bla
16.53.18.399098 ....Bla bla bla
It's obvious that 16 is hours, 53 minutes, 18 seconds, 379 ms and 098
microseconds. You can see that the time granularity is 10 ms. The last
four digits are always the same. To see exactly when a packetsIs it
possible to decrease this granularity from 10 ms to 1ms or less ? If
yes, How please ?
thank you
julien
PS : Please CC me in your answer to the newsgroup.
------------------------------
From: "Gaston Carmicha�l" <[EMAIL PROTECTED]>
Subject: Re: DHCP/DNS Problem w RH5.2; Linux Can't Ping Itself
Date: Thu, 27 May 1999 13:08:42 -0400
I have the feeling that your problem is using DHCP with a DNS server. When
DHCP grants you an address for your linux box, how does the database in the
DNS server gets updated? I am not sure how it works, it is probably not
instantaneous.
So, when NT wants to ping linux, it goes to the DNS server to obtain its IP
address. Since you have dynamic addressing, you may get an address that is
now obsolete.
When you can successfully ping a name, it means that the DNS database is
current OR that this name is already defined in the local hosts file.
Hope this helps!
Gaston Carmichael
Quebec, Canada
>>>>>>>>>>>>>>>>
Lewis a �crit dans le message <[EMAIL PROTECTED]>...
>Folks,
>
>I just recently installed RedHat v5.2 on a PC at work. We use (I
>believe) a Windows NT network for PC servers (using 10baseT), and we
>also have some Sun Sparc stations on the network. Our network assigns
>PCs using DHCP.
>
>When I have the Linux box request an IP address, it works fine, with
>the following exception:
>
>I have the Linux box named mylinux.mydomain.com (names have been
>changed to protect the innocent). My NT computer is named
>mynt.mydomain.com. We also have a Sun Sparc Station, called
>mysparc.mydomain.com.
>
>I can get to most systems using hostnames from the linux box (mylinux)
>(i.e. I can get to the Internet through our firewall, and I can go to
>our intranet, using Netscape), so in this respect, it works great.
>But some systems I have to use the IP address to gain access to them,
>including the linux box I am creating.
>
>I get the following when I ping all machines from
>mylinux.mydomain.com:
>
>Host Pinged Pinging w hostname Pinging w IP address
>
>mylinux unknown host OK
>mynt unknown host OK
>mysparc OK OK
>
>
>I get the following when I ping all machines from mynt.mydomain.com:
>
>Host Pinged Pinging w hostname Pinging w IP address
>
>mylinux Bad IP address OK
>mynt OK OK
>mysparc OK OK
>
>
>I get the following when I ping all machines from
>mysparc.mydomain.com:
>
>Host Pinged Pinging w hostname Pinging w IP address
>
>mylinux unknown host OK
>mynt unknown host OK
>mysparc OK OK
>
>
>I have read the mini-howto on DHCP, and have tried the -r and -h
>options at /etc/sysconfig/network-scripts/ifup at the line containing
>the dhcpcd command, with no luck.
>
>I have also used mylinux and mylinux.mydomain.com for the hostname in
>netcfg, with no change (which is correct? I notice if I only use
>mylinux, samba services take forever to startup on bootup.)
>
>I am a newbie at setting this up (last time I used Linux was around
>'93-94, and was using Slackware), but this has really getting me
>befuddled.
>
>Do I have no control over this? Is it the network DHCP server's
>fault? Does it need to sit a while before it figures out the names?
>
>It acts as though the nameservers (which it does find and puts in
>resolv.conf) do not put the name i gave the linux box into the DNS
>database.
>
> The machine, when it was a Win95 box, was able to be pinged from my
>PC (mynt). I'm not sure about the sparc station.
>
>Help!
>
>Thanks in advance for any help.
>
>Completely confused,
>
>
>
>
>---------------------------------------------------
>The Lewis's
>
>Remove "NoSpam_" from email address if replying by email.
------------------------------
From: "Nikolas Britton" <[EMAIL PROTECTED]>
Subject: Modem problems
Date: Fri, 28 May 1999 12:25:18 -0500
Hi I'm new to linux (long time NT guy) and I just install redhat 6 on my
system and it looks like every thing is working. The only problem I seem to
have is with the modem. I can dial out and connect to the net but it slow
and keeps on dropping the connection every 5 -15 min. if I go to the NT side
and connect to the net it will stay connected for ever. ive tried two modem
and get the same thing one is a SupraExpress 56i sp and the other is a
SupraFAXmodem 288e. my ISP's are Ameritech.net and Megsinet.com
SupraExpress 56i on ttyS3 I/O: 2E8 IRQ:12
SupraFAXmodem 288e is on ttyS1 with the default settings
------------------------------
From: Pierre Baudracco <[EMAIL PROTECTED]>
Crossposted-To: comp.unix.aix,comp.infosystems.www.servers.unix
Subject: Re: Compiling Apache, PHP and Mysql on AIX 4.3.2
Date: Thu, 27 May 1999 19:03:58 +0200
Rasmus Lerdorf wrote:
>
> This one has been fixed in the current CVS version of PHP. For now, simply
> delete line 69 of datetime.c and PHP should compile for you. Sorry, don't
> know how to solve your MySQL problem.
>
> -Rasmus
With PHP 3.0.7 this leads to an other problem later on Dlist.h (very strange
as
the code pointed by the error is correct)
With PHP 3.0.8 it worked ! Many thanx.
I've succeeded in installing apache + mysql + php on AIX 4.3.2.
The more difficult part was for Mysql, which i have ton install from binaries.
Mysql cause a problem when compiling apache. (symbol .ldopen undefined....).
A -ldd was missing.
With this addition apache compiles again. It compiles without pb without it.
Bye.
--
Pierre Baudracco - [EMAIL PROTECTED]
ALIACOM - 05 62 19 24 91 - www.aliacom.fr
------------------------------
Reply-To: "Curt" <[EMAIL PROTECTED]>
From: "Curt" <[EMAIL PROTECTED]>
Subject: Re: HOW-TO: PPP route?
Date: Thu, 27 May 1999 09:18:25 -0500
You could explicitly enter a route to each host, rather then by network.
Or
Configure your system as a bridge.
<[EMAIL PROTECTED]> wrote in message news:7ijdv7$i84$[EMAIL PROTECTED]...
> Hello!
>
> I have a strange wish.... I would like to connect via dialup-PPP a
> network with four hosts to my UNIX box and allow them to use real IP's,
> not masquerade.... It's any way to do this without subnetwoking? Which
> actions from my (UNIX) side required?
>
>
> Thanks,
>
> Serge.
>
>
>
> --== Sent via Deja.com http://www.deja.com/ ==--
> ---Share what you know. Learn what you don't.---
------------------------------
From: "Makhno" <[EMAIL PROTECTED]>
Subject: Re: is my internal modem a winmodem?
Date: Thu, 27 May 1999 18:41:53 +0100
Its actually an ISA modem.
I shall check the lists given in the other posts.
The IRQ settings are made with jumpers btw.
Curt wrote in message ...
>It most likely is a winmodem, almost all internal PCI modems are.
>As you seem to know, winmodems don't work with Linux.
>
>Makhno <[EMAIL PROTECTED]> wrote in message
>news:7ijlq9$5d4$[EMAIL PROTECTED]...
>> I have a novatech 56k internal modem with a Rockwell Chipset. Has anyone
>got
>> any experience with this kind of modem?
>> When I run minicom, I'm supposed to get a message from my modem in the
>> console. I get no such thing. Its on serial port2.
>>
>>
>
>
------------------------------
From: [EMAIL PROTECTED]
Subject: HOW-TO: PPP route?
Date: Thu, 27 May 1999 12:31:35 GMT
Hello!
I have a strange wish.... I would like to connect via dialup-PPP a
network with four hosts to my UNIX box and allow them to use real IP's,
not masquerade.... It's any way to do this without subnetwoking? Which
actions from my (UNIX) side required?
Thanks,
Serge.
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------------------------------
From: "Nikolas Britton" <[EMAIL PROTECTED]>
Subject: Modem Problems
Date: Fri, 28 May 1999 12:27:35 -0500
Hi I'm new to linux (long time NT guy) and I just install redhat 6 on my
system and it looks like every thing is working. The only problem I seem to
have is with the modem. I can dial out and connect to the net but it slow
and keeps on dropping the connection every 5 -15 min. if I go to the NT side
and connect to the net it will stay connected for ever. ive tried two modem
and get the same thing one is a SupraExpress 56i sp and the other is a
SupraFAXmodem 288e. my ISP's are Ameritech.net and Megsinet.com
SupraExpress 56i on ttyS3 I/O: 2E8 IRQ:12
SupraFAXmodem 288e is on ttyS1 with the default settings
------------------------------
From: [EMAIL PROTECTED]
Subject: How to get multiple replies quickly
Date: Thu, 27 May 1999 14:26:44 GMT
I have posted several messages in the past but I rarely ever get
replies. Since I am a newbie my questions are usually straight forwrd
and to the point. Why don't I get replies? Any advise would be
apreciated.
Thanks,
Mike B.
p.s. I suppose it would not be too ironic if I got no replies on this
message :P
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------------------------------
From: [EMAIL PROTECTED]
Subject: Grand Junction FastNIC 100 EISA Nic support?
Date: Thu, 27 May 1999 17:15:10 GMT
Does anyone know if a driver for linux exists for this card? or perhaps
a driver for any OS.. i cant seem to find any information on it at all,
other than that its a 100BT card with 1meg of network buffer, i have a
pair of them i'd like to use to build a linux router..
I dont check the newsgroups often so if anyone has any further info
please email me privately.
Thanks
Dave
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------------------------------
From: Buschman <[EMAIL PROTECTED]>
Subject: Re: How to get multiple replies quickly
Date: Thu, 27 May 1999 17:58:26 GMT
Curt,
I believe so. The other questions that I posted today have been
responded to. Today is the first day that I receieved any responces. I
think my problem was that I was searching for replies the wrong way.
When someone replies in a group, their name is next to the subject and
it is moved up to the top. I was looking for my name. Rookie blunder
:P
Thanks Curt,
Mike B.
In article <L8e33.105$[EMAIL PROTECTED]>,
"Curt" <[EMAIL PROTECTED]> wrote:
> I did a seach of deja.com for your email address on this news group,
and
> only found this
> post. Are you sure your posts are making to the news group?
>
> <[EMAIL PROTECTED]> wrote in message
> news:7ijkn0$n7f$[EMAIL PROTECTED]...
> > I have posted several messages in the past but I rarely ever get
> > replies. Since I am a newbie my questions are usually straight
forwrd
> > and to the point. Why don't I get replies? Any advise would be
> > apreciated.
> >
> > Thanks,
> > Mike B.
> >
> > p.s. I suppose it would not be too ironic if I got no replies on
this
> > message :P
> >
> >
> > --== Sent via Deja.com http://www.deja.com/ ==--
> > ---Share what you know. Learn what you don't.---
>
>
--
The 2 most abundantthings in the universe are
Hydrogen and Stupidity.
--Harlen Ellison--
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------------------------------
From: Bosco Tsang <[EMAIL PROTECTED]>
Subject: Redhat 5 with 3com905B Network Card
Date: Thu, 27 May 1999 17:24:02 GMT
Will RedHat Linux 5.2 installation support 3com905B Network Card? In the
past, I've tried 4.2 and 5.0 which both do not support 3com905B Network
Card.
Please reply via email if possible.
Bosco.
============================================
No Junk or Commercial Mail Please, Thanks.
This Email Address is NOT FOR SALE by anyone
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------------------------------
From: bryan <[EMAIL PROTECTED]>
Subject: Re: pachell and $100 for dns charges (??)
Crossposted-To: comp.dcom.xdsl
Date: Thu, 27 May 1999 17:46:21 GMT
Eric Edwards <[EMAIL PROTECTED]> wrote:
: On Thu, 27 May 1999 15:06:17 GMT, bryan <[EMAIL PROTECTED]> wrote:
: >I guess I could cancel pachell dsl and forgo the $75 forfeit fee for
: >cancelling before a full year. but I also paid for the install ($200
: >or so) which is non-refundable. so I might as well wait at least a
: >half year for it to be worth it to me.
: Actually, the $200 is for equipment, which you could use with any ISP
: that uses Pac Bell (the telco) DSL. The install itself is free.
good point - didn't think of it that way. as long as I talk to the same SLAM, then
that alcatel POC should work at least as well as it does today ;-)
[btw, I now have an automated reboot loop working! its great!! if 3
successive ping attempts (configurable) go unanswered, I trigger the
logic that reboots the modem, waits 1 minute, then waits some more for
it to fully come up. at that point, it continues the polling loop.
and whenever the poller starts up or is killed, it logs a time-stamped
event to a file. similarly, when the state-changes occur, I log those
to the file. the file can then be used to create a .gif graph of all
the mgt events that occured. neat-o!] ;-)
if anyone wants the Linux code to do this, email me. obviously you
need a free serial port, the x10 rs232 controller (model cp290) and
the right cable for your serial port (db9->5pin DIN).
--
Bryan
------------------------------
From: "Jean-Michel ROCHET" <[EMAIL PROTECTED]>
Subject: LINUX/NT connectivity
Date: Thu, 27 May 1999 17:42:34 +0100
I have got LINUX and NT4.0 hosts on my network.
Does somebody knows if it's possible to see the NT hosts files
(NTFS) into the X file manager or thru a navigator such as KDE's on
a Linux host?
Thanks...
JMR
------------------------------
From: [EMAIL PROTECTED] (Guoxiang Xu)
Subject: bizarre PPP connection
Date: 27 May 1999 15:52:13 GMT
Hi, folks:
I am running across a bizarre PPP connectio problem with my RedHat 5.2
Linux system. All configurations were made strictly as per "Linux PPP HOWTO"
instruction.
The problem is when I try to get connection to my ISP by
invoking "pppd" I have to keep moving my mouse. Otherwise, the connection
failes with a message reading "LCP: Timeout sending Config-Rquests" in
the /var/log/messages log-file. I am really grateful for your help and
suggestions.
Regards...
gx
------------------------------
From: "Bart N. Locanthi" <[EMAIL PROTECTED]>
Subject: Re: knfsd doesn't follow mounts?
Date: Thu, 27 May 1999 08:20:17 -0700
>You should be able to export each filesystem explicitly on the
>server and mount them in their respective positions on the
>client.
of course, but that's not what i want.
it all worked before knfsd.
------------------------------
Date: Thu, 27 May 1999 11:18:07 -0400
From: Chris Powell <[EMAIL PROTECTED]>
Subject: Re: Kernel 2.2 TCP incompatible with certain Unices? (Solved)
To follow up, I received a very helpful reply from Andi Kleen, one of
the IPV4 maintainers. The following three lines made all the difference
in the world. Apparently the source of this stalling is broken VJ
compression somewhere in the chain.
Try these to fix the stalling:
echo 0 > /proc/sys/net/ipv4/tcp_timestamps
echo 0 > /proc/sys/net/ipv4/tcp_window_scaling
echo 0 > /proc/sys/net/ipv4/tcp_sack
Regards,
Chris Powell
Joe Flasch wrote:
>
> Are you running 2.2.9 on a 6.0 build or on a 5.2 build?
>
> What weve seen is anything on a 6.0 build is having
> the problem that you have seen. I thing is a function of
> box speed more than certain sites. The problem starts when
> a IP frame gets lost. Then a long ack (8 sec +) retransmission loop
> starts. This goes on and on then some sites give up and
> reset the session. It may be that not all sites give up.
>
> On a 5.2 build with 2.2.8 there are no problems like this.
> So we think it is a 6.0 build problem and not a kernal problem.
> If you are running on a 5.2 build please email me.
>
> Joe
>
> [EMAIL PROTECTED]
>
> [EMAIL PROTECTED] wrote:
>
> > I would be grateful to hear from any TCP/IP gurus regarding this
> > puzzling problem.
> >
> > I have an SMP Pentium Pro box that runs kernel 2.2.9. While the other
> > machines on the LAN (Windows and Linux) have no problems, this single
> > machine cannot fetch data from certain sites -- not all sites, just a
> > few. It seems to stall, even while the 2.0.36 machine next to it
> > happily downloads the site.
> >
> > The two sites I've noticed this stall on are:
> > http://www.werbach.com
> > http://www.winfiles.com (sorry :)
> >
> > It's interesting to note that queso reports that both these sites run
> > "BSDi or IRIX."
> >
> > I've booted the SMP box back to a 2.0.36 kernel (the stock RH 5.2 one)
> > and it then works fine! Am I finding evidence that the 2.2 kernel (or
> > at least, the 2.2 kernel as I've configured it) has a TCP
> > incompatibility with a BSDi/IRIX TCP stack? For what it's worth, I've
> > not only tried recompiling the kernel as minimally as possible
> > (including non-SMP), I've also swapped NICs to see if it made a
> > difference; nothing changed the stalling. I've also ruled out the
> > firewall by deactivating it. I've been using GNU 'wget' in runlevel 3
> > to do this testing.
--
Christopher Powell Brick and Ivy Corporate Consulting
[EMAIL PROTECTED] http://www.brickandivy.com/
------------------------------
From: "Terence Parker" <[EMAIL PROTECTED]>
Subject: Network topology - frame relay
Date: Thu, 27 May 1999 23:56:23 +0800
I am sort of unclear about the way in which a school network is setup - so
just out of curiousity I would like to know.
I have been told that we have a 128k frame relay connection to an education
network, and within that connection we also have a link to Netvigator - one
of the local ISP's. However, upon doing a traceroute I do notice that
packets do not go through Netvigator but straight to HKT (Hong Kong
Telecom) - which is the backbone used by Netvigatort and not the ISP itself.
I have also been told tbat because of the setup the school network has a
very slow Internet connection - which is true. From what I hear however,
frame relays are supposed to be really fast connections.
What is worrying, is that all of the routes I trace do not seem to pass
through any of the barriers which have been reported to me. Is is possible
that all of the various things running on the Frame Relay remain entirely
invisible? And what would be the actual implications of connecting a school
to a frame relay (as opposed to a leased line, which I am told is
different)?
It appears to me the I.T. administration is not being entirely truthful in
their explanations to me of the school network topology, and this is of
course worrying because we are supposedly supposed to be coming up with
proposals on developments of the school network infrastructure!!
Thanks,
Terence Parker.
------------------------------
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