Linux-Networking Digest #601, Volume #11 Sun, 20 Jun 99 18:13:41 EDT
Contents:
Re: can't get 2 linux boxes to host their own network (Mike Redan)
Re: Networking DSL? ([EMAIL PROTECTED])
file permissions PLEASE HELP ("Aaron")
Re: linux masq + win 98 = yucky latency (Mike Frisch)
DHCPD server Error ("Peter Treloar")
Re: network problem (Mark Price)
modprobe / module problem w/ network drivers (but network works) (D P)
network cards ("Luc Segers")
Re: Mindcraft Retest News (R. Denoire)
Masquerading and TCP/UDP checksum (Davide D'Onofrio)
Re: DNS related problems ("Carl R. Friend")
Re: Printing to Win NT ("Carl R. Friend")
Problem with IBM Etherjet ISA ([EMAIL PROTECTED])
phoneline/wireless networking drivers (Ruth AnneF)
Netscape 4.6.1 and LDAP server. (Mark Price)
----------------------------------------------------------------------------
From: Mike Redan <[EMAIL PROTECTED]>
Crossposted-To: redhat.networking.general
Subject: Re: can't get 2 linux boxes to host their own network
Date: Sun, 20 Jun 1999 21:14:48 GMT
are both computers connected to a hub? If you are running an RJ-45
network you need to connect each computer to a hub...unless you have a
crossover cable. (A crossover cable has two wires inside the cable
switched, can't remember which ones...)
also, I don't think you need to have gateways set fi you just have two
computers. Gateways are used to connect to other networks than the one
you are on. So try taking that out if your cabling is good.
cheers,
Mike
Amir Malik wrote:
>
> I have two computer both running Red Hat Linux 6.0. I am running a cable
> (just a little bigger than a phone line, RJ45 i think?) between the two
> computers. The network cards are detected by both computers in both Linux
> and windows.
>
> Here is my ifconfig:
> eth0 Link encap:Ethernet HWaddr 00:80:AD:91:87:73
> inet addr:192.168.0.2 Bcast:192.168.0.255 Mask:255.255.255.0
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> TX packets:0 errors:873 dropped:0 overruns:0 carrier:1746
> collisions:14841 txqueuelen:100
> Interrupt:10 Base address:0xb800
>
> lo Link encap:Local Loopback
> inet addr:127.0.0.1 Mask:255.0.0.0
> UP LOOPBACK RUNNING MTU:3924 Metric:1
> RX packets:390 errors:0 dropped:0 overruns:0 frame:0
> TX packets:390 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
>
> Here is my routing table:
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use Iface
> 192.168.0.1 192.168.0.1 255.255.255.255 UGH 0 0 0 eth0
> 192.168.0.2 * 255.255.255.255 UH 0 0 0 eth0
> 192.168.0.0 * 255.255.255.0 U 0 0 0 eth0
> 127.0.0.0 * 255.0.0.0 U 0 0 0 lo
> default 192.168.0.1 0.0.0.0 UG 0 0 0 eth0
>
> This information is for the machine 192.168.0.2. The routing table for
> 192.168.0.1 is this:
> Kernel IP routing table
> Destination Gateway Genmask Flags Metric Ref Use Iface
> 192.168.0.2 192.168.0.2 255.255.255.255 UGH 0 0 0 eth0
> 192.168.0.2 * 255.255.255.255 UH 0 0 0 eth0
> 192.168.0.0 * 255.255.255.0 U 0 0 0 eth0
> 127.0.0.0 * 255.0.0.0 U 0 0 0 lo
> default 192.168.0.2 0.0.0.0 UG 0 0 0 eth0
>
> I need help!! I've had this problem now for about two months, so please,
> someone help me.
>
> Thank you VERY much,
> Amir Malik
>
> [EMAIL PROTECTED]
>
> ------------------ Posted via SearchLinux ------------------
> http://www.searchlinux.com
------------------------------
From: [EMAIL PROTECTED]
Crossposted-To:
comp.os.ms-windows.networking.tcp-ip,microsoft.public.win95.networking,alt.unix.wizards
Subject: Re: Networking DSL?
Date: Sun, 20 Jun 1999 19:48:26 GMT
Well, I'd stay away from win98se's ICS, as it
looks like a scaled down product and a whole lot
of trouble. I personally recommend a program
called NAT32 (www.nat32.com) as a superior product
to wingate or sygate. This is assuming that you
are running win9x/nt (gak) Why not just use a
linux machine to do the job efficiently??
In article
<OXO4bWAu#[EMAIL PROTECTED]>,
"Jon_Hildrum" <[EMAIL PROTECTED]>
wrote:
> Yes, you can do it. I'm assuming your using
windows as an operating system.
> With win98SE you can use ICS that is part of
win98SE. If you have earlier
> versions of windows, you will need a proxy
server or a NAT type
> applications.
>
> Try these places:
> http://www.sygate.com
> http://www.wingate.com/
>
> --
> Jon Hildrum 274582
> http://www.hildrum.com
> MVP_DTS
> [EMAIL PROTECTED]
>
> Adam Dorenter <[EMAIL PROTECTED]> wrote
in message
> news:7k7iss$[EMAIL PROTECTED]...
> : Anybody in hear every have any experience in
sharing a DSL connection
> out
> : over a peer to peer 100mb in-home network? I'm
looking to get one DSL line
> : for my home and be able to share it out to
three different machines for
> : simulatenous operation. I'd like to be able
to do it via software, rather
> : then having to buy expensive routers (that is,
if possible of course).
> :
> : Any help/info appreciated, email replys
prefered.
> :
> : - Adam
> :
> :
>
>
Sent via Deja.com http://www.deja.com/
Share what you know. Learn what you don't.
------------------------------
From: "Aaron" <[EMAIL PROTECTED]>
Subject: file permissions PLEASE HELP
Date: Sun, 20 Jun 1999 20:56:09 GMT
im trying to make a file server for my LAN... I have an 8.4 G hard drive in
the server. When i make it all one partition (and a swap) everything
works great...i can change owner ship, groups, and rwx of files and
directorys. What i want to do is make a swap, and 2 linux native partions.
1 for the OS and 1 for files. the problem is when i do this i cant change
ownership, groups, or rwx of files or directories (which is needed in my
LAN) . can some on help me please
Thanks in advance
[EMAIL PROTECTED]
------------------------------
From: [EMAIL PROTECTED] (Mike Frisch)
Crossposted-To: athome.users-unix
Subject: Re: linux masq + win 98 = yucky latency
Date: Sun, 20 Jun 1999 20:46:29 GMT
On Sun, 20 Jun 1999 20:26:52 GMT, Mike <[EMAIL PROTECTED]> wrote:
>All in all.. most of my *siezures* were due to DNS requests timing out.
>Don't know why that would *sieze* the win box.. not even allowing
>connections to dotted IP address.....
Sounds as if it were using synchronous (blocking) DNS lookups which cause
the Winsock library to block until the request is satisfied or timed out.
I would guess this is the application doing this and not actually Win98
itself.
Mike.
--
======================================================================
Mike Frisch Email: [EMAIL PROTECTED]
Northstar Technologies WWW: http://saturn.tlug.org/~mfrisch
Newmarket, Ontario, CANADA
======================================================================
------------------------------
From: "Peter Treloar" <[EMAIL PROTECTED]>
Subject: DHCPD server Error
Date: Sun, 20 Jun 1999 15:02:15 -0600
I have dhcpd setup with the following dhcpd.conf :
>subnet 192.168.10.0 netmask 255.255.255.0 {
> range 192.168.10.20 192.168.10.200;
> default-lease-time 600; max-lease-time 7200;
> option subnet-mask 255.255.255.0;
> option broadcast-address 192.168.10.255;
> option routers 192.168.10.1;
> option domain-name-servers 206.75.216.200,206.75.216.210;
> }
>
and I get the following errors when I run "/usr/sbin/dhcpd -d -f eth0"
>Internet Software Consortium DHCPD $Name: V2-BETA-1-PATCHLEVEL-6 $
>Copyright 1995, 1996, 1997, 1998 The Internet Software Consortium.
>All rights reserved.
>Listening on Socket/eth0/192.168.10.0
>Sending on Socket/eth0/192.168.10.0
>DHCPDISCOVER from 00:20:af:1e:d5:fd via eth0
>DHCPOFFER on 192.168.10.22 to 00:20:af:1e:d5:fd via eth0
>sendpkt: Network is unreachable
>DHCPDISCOVER from 00:20:af:1e:d5:fd via eth0
>DHCPOFFER on 192.168.10.22 to 00:20:af:1e:d5:fd via eth0
>sendpkt: Network is unreachable
I'm running Red Hat Linux release 5.2 (Apollo) Kernel 2.0.36 on an i486 with
2 network cards. One connected to a cable modem connected to the internet.
IP masquerading is working when I hardcode the addresses on the clients.
The ipfwadm commands are:
>ipfwadm -F -f
>ipfwadm -I -a accept -S 0/0 67 -W bootp_clients_net_if_name -P udp
>ipfwadm -F -p deny
>ipfwadm -F -a m -S 192.168.10.0/24 -D 0.0.0.0/0
Any help would be greatly appreciated.
Peter.
------------------------------
From: Mark Price <[EMAIL PROTECTED]>
Subject: Re: network problem
Date: Sun, 20 Jun 1999 14:15:14 -0700
Hi Eran,
> 1. ping show some lost packets - this should be the key to all
> 2. ftp is very very very slow
> 3. opening X on other displays is very very very slow
> The card is a PCI 10/100 3c905 connected to a 10mb hub. Other machines
> connected to the same hub work much better (they are now linux)
> Any idea how to debug my problem ?
> Any known selutions ?
> I didn't find anyone else with the same problem in the net.
This sounds very much like a physical problem. I'd start by using
ifconfig -a
to take a look at the stats on the ethernet card.
Eg.
[root@ravenwood aracnet]# /sbin/ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:80:5F:74:7D:A0
inet addr:10.0.0.21 Bcast:10.255.255.255 Mask:255.0.0.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:3 dropped:0 overruns:0 carrier:3
collisions:0 txqueuelen:100
Interrupt:5 Base address:0x7140
My card is currently not connected to anything at all, the important
stuff
to look at here are the counters errors, dropped, overruns and carrier.
If you see anything in the carrier field, it means at the point the
board attempted to transmit onto the wire it didn't see carrier (ie a
signal).
Standard steps I get customer to do are.
1. Swap transceiver/drop cable.
2. Move port on hub.
3. Swap port on hub with known working one, does problem stay with
machine or with port ?
Other things to take a look at are any stats you can get off of the hub,
if it has a management module.
As the board is 10/100 it will also be able to switch between half and
full duplex. Because the board is connected to 10 meg hub make sure it
is in half duplex mode.
Hope that helps,
Mark.
------------------------------
From: D P <[EMAIL PROTECTED]>
Subject: modprobe / module problem w/ network drivers (but network works)
Date: Sun, 20 Jun 1999 16:41:15 -0400
I'm having a really confusing problem with modules and my network
drivers:
my logs are full of the following errors:
modprobe: can't locate module lo:0
modprobe: can't locate module eth0:0
modprobe: can't locate module ppp0:0
(each is repeated in /var/log/messages 50 times, x:[0-49] )
the strange thing is that the modules (ppp, etc.) ARE loaded, and
working fine.
/sbin/modprobe -l -t net shows:
/lib/modules/2.2.7/net/dummy.o
/lib/modules/2.2.7/net/bsd_comp.o
/lib/modules/2.2.7/net/ppp_deflate.o
/lib/modules/2.2.7/net/slhc.o
/lib/modules/2.2.7/net/ppp.o
and, "/sbin/modprobe -c" shows, among other things,
...
alias ppp0 ppp
alias ppp1 ppp
alias scsi_hostadapter off
alias slip0 slip
alias slip1 slip
alias tty-ldisc-1 slip
alias tty-ldisc-3 ppp
...
Any help would be greatly appreciated.
Other modules are working fine, and the kernel is configured for modules
support. I've done 'depmod -a', and even looked at the module def file
myself - it seems correct.
This is driving me crazy.
David
------------------------------
From: "Luc Segers" <[EMAIL PROTECTED]>
Subject: network cards
Date: Sun, 20 Jun 1999 22:42:11 +0200
hello,
I am trying to set up a network (i will do it when i get Suse 6.1). But
I have a little problem: i have three NE2000 compatible ISA cards. One with
UTP and Coax one with UTP and one with coax. Can I connect the three cards?
What I mean is can I use the UTP AND Coax of the one card with both on it,
and connect this card with coax to the one and with UTP to the other.
Thank you
Luc Segers
------------------------------
From: [EMAIL PROTECTED] (R. Denoire)
Crossposted-To:
omp.os.ms-windows.nt.advocacy,comp.os.linux.advocacy,comp.infosystems.www.servers.unix
Subject: Re: Mindcraft Retest News
Date: Sun, 20 Jun 1999 22:14:08 GMT
Reply-To: [EMAIL PROTECTED]
Dan Kegel <[EMAIL PROTECTED]> wrote:
>For news and background about the
>Mindcraft retest, see
> http://www.kegel.com/mindcraft_redux.html
>
There is a thorough test made by the german jornal c't (latest issue
19 th June). Conclusions:
-Using SMP architectures, only Linux profits from several CPUs but
only if tasts run in user mode (not kernel mode)
-In most cases, Linux performs better than NT; in some cases, it is
way better than NT. But:
-If the server used has to cope with more than one NIC, NT is better
here; supposedly Linux developers admit this weakness in current
kernel versions and promised to work on this issue.
Take a look at
http://www.heise.de/c't
But I think there is only a german version of this homepage. Sorry,
but you could read the plots anyway (if they are shown there, don't
know, because I read the real hard paper journal...).
================
------------------------------
From: [EMAIL PROTECTED] (Davide D'Onofrio)
Subject: Masquerading and TCP/UDP checksum
Date: Sun, 20 Jun 1999 21:01:57 GMT
Hi All,
I set up a Linux box and IP masquerading to access Internet from my
internal LAN (about 200 PCs).
It works fine but taking a look at /var/log/messages I see many lines
like this:
kernel: MASQ: failed TCP/UDP checksum from x.y.z.w
These messages mean the checksum for incoming packets does not
validate. Is this due to a bad connection, an overloaded network, a
misconfiguration, an hardware failure or something else?
Any advice?
Thanks in advance.
David
------------------------------
From: "Carl R. Friend" <[EMAIL PROTECTED]>
Subject: Re: DNS related problems
Date: Sun, 20 Jun 1999 17:37:45 -0400
Robert wrote:
>
> I have a linux box RH5.2) connected to an ISP via a dial up and a W95
> box connected to the Linux box via ethernet. My goal is to be able to
> graphically browse the internet and access mail and news from either
> or both boxes simultaneously.
You're looking for IP masquerading, and, happily, you're on the
right track.
> I then execute tar -x ipfwadm-2.3.0.tar and I get an apparently hung
> system until I do ^z to escape.
You forgot the "f" option to the tar command. It should look like:
tar -xvf ipfwadm-2.3.0.tar
Note, also, that you can dispense with the gunzip step by:
tar -xzvf ipfwadm-2.3.0.tar.gz
> Question 1: Am I on the right track with this and what is my syntax
> error with tar?
Yes.
> Question 2: executing smbclient -L kids returns information about
> shared resources on kids which is my W95 box.
Samba is another kettle of fish and is used to connect a Win9x/NT
box to a Linux server. Unless you really need to do that, you don't
need Samba running. Too, if you're going to run it, you might want
to filter out the NetBIOS-over-IP protocols on the outside link as
they can leak passwords out onto the 'Net.
> Executing smbmount //kids/c /mnt/kidspc returns a kids: unknown
> host message.
That means that the IP address of "kids" isn't in your /etc/hosts
file. Can you smbmount the machine using the IP address.
Note that with a network that size, you probably do not want to
run a DNS server unless you have the desire (or need) to learn about
its administration or want it as a caching server. The /etc/hosts
file is adequate for your needs.
Good luck with it!
--
+------------------------------------------------+---------------------+
| Carl Richard Friend (UNIX Sysadmin) | West Boylston |
| Minicomputer Collector / Enthusiast | Massachusetts, USA |
| mailto:[EMAIL PROTECTED] | |
| http://www.ultranet.com/~crfriend/museum | ICBM: N42:22 W71:47 |
+------------------------------------------------+---------------------+
------------------------------
From: "Carl R. Friend" <[EMAIL PROTECTED]>
Subject: Re: Printing to Win NT
Date: Sun, 20 Jun 1999 17:39:45 -0400
jay nospam beatty wrote:
>
> I'm trying to print from my RedHat 6.0 ,2.2.10, box to a postscript
> printer attached to a winNT workstation.
You'll need to load the TCP/IP printing service on the NT system,
then share the printer. At that point you should be able to connect
to it using lpr.
--
+------------------------------------------------+---------------------+
| Carl Richard Friend (UNIX Sysadmin) | West Boylston |
| Minicomputer Collector / Enthusiast | Massachusetts, USA |
| mailto:[EMAIL PROTECTED] | |
| http://www.ultranet.com/~crfriend/museum | ICBM: N42:22 W71:47 |
+------------------------------------------------+---------------------+
------------------------------
From: [EMAIL PROTECTED]
Subject: Problem with IBM Etherjet ISA
Date: Sun, 20 Jun 1999 20:15:18 GMT
OK... I've seen similar posts, but nothing that
has helped me.
I am trying to use an IBM EtherJet ISA 10 base-T
card on RH 6.0, except I keep getting errors.
Generally it is "Delaying eth0 initialization"
I have added "alias eth0 ne" and "options ne
io=0x300 irq=10" to /etc/conf.modules and I get
that message. BTW, I have done this with my card
configured with PNP turned on and with PNP turned
off.
I have also tried to use isapnptools to fix the
problem. pnpdump finds the card and tells me a
range of io addresses to use. I set the io to
0x300 and the irq to 10. Still does not work. I
get an error that the device is already active.
Finally in an effort to make some sence of this I
downloaded a program to detect ne2000 cards and
tell the configuration. I got the link from
another post here. The 8390 registers are
detected, but the two PROM lines are all "ff" As a
result the card fails the initial ne2000 probe. I
think there was an alignment error at 0x30d.
Oh, the io address and the irq are fine according
to /proc/ioports and /proc/interrupts
I'd appreciate any help that you could give 'cause
I'm running out of ideas!
Thanks
Sent via Deja.com http://www.deja.com/
Share what you know. Learn what you don't.
------------------------------
From: [EMAIL PROTECTED] (Ruth AnneF)
Subject: phoneline/wireless networking drivers
Date: 20 Jun 1999 21:45:53 GMT
I was wondering if there are any drivers for any of the phoneline or wireless
home networking kits, as in Diamond HomeFree, Intel AnyPoint or Proxim
Symphony. I know WebGear is making Linux drivers for Aviator2.4, but they're
not due out until July, and I would like to get my house networked before then,
and hopefully without the expense of wiring up my house, but I need for the two
Linux boxes that I have to be part of the network (one being a masquerader).
Thanks.
------------------------------
From: Mark Price <[EMAIL PROTECTED]>
Subject: Netscape 4.6.1 and LDAP server.
Date: Sun, 20 Jun 1999 14:20:25 -0700
Has anyone had any success connecting to an LDAP server from Netscape
4.6.1
under redhat 6.0 ?
Have it working under NT4 with netscrape 4.5.x in the office, same
config under linux gives me the following error.
Failed to bind to 'Directory Name' due to LDAP Error "Can't connect to
LDAP sever (0x58)"
Ran tcpdump, and at the point I try the LDAP query nothing goes out of
the interface so I don't think I'm being rejected by the server.
Any ideas.
Cheers, Mark.
------------------------------
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End of Linux-Networking Digest
******************************
