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#1 2004-08-28 08:33:29

ruwach
Member
Registered: 2004-06-14
Posts: 143

need help with lan

hey there,

ok, i have Arch connected to the net via cable modem and eth0. i also have a  laptop that i want to connect to the net thru this computer. It runs windows2000 and i have been searching forums for a while now and i need some more help.

i have two ethernet cards in this computer. My ifconfig reads
eth0      Link encap:Ethernet  HWaddr 00:50:BF:93:D0:81
          inet addr:69.92.12.105  Bcast:255.255.255.255  Mask:255.255.255.0
          inet6 addr: fe80::250:bfff:fe93:d081/64 Scope:Link
          UP BROADCAST NOTRAILERS RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:35778 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1883 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:3642648 (3.4 Mb)  TX bytes:239876 (234.2 Kb)
          Interrupt:10 Base address:0xa800

eth1      Link encap:Ethernet  HWaddr 00:09:5B:E1:7E:BA
          inet addr:192.168.1.1  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::209:5bff:fee1:7eba/64 Scope:Link
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:23 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 b)  TX bytes:2034 (1.9 Kb)
          Interrupt:11 Base address:0xc000

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:72 errors:0 dropped:0 overruns:0 frame:0
          TX packets:72 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:3600 (3.5 Kb)  TX bytes:3600 (3.5 Kb)

and my rc.conf reads

lo="lo 127.0.0.1"
eth0="dhcp"
eth1="eth1 192.168.1.1 netmask 255.255.255.0 broadcast 192.168.1.255"

INTERFACES=(lo eth0 eth1)

gateway="default gw 192.168.0.1"
ROUTES=(!gateway)

i want to be able to do file share, internet share and such but cant seem to get this hooked up right. i am using a crossover cable from eth1 on this box to the ethernet card on the laptop.

i am stumped, i installed iptables, but dont know what to do with it. i am not interested in a firewall right now, maybe later. i just want to get this stuff hooked up.

any pointers? thanks much

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#2 2004-08-28 09:31:15

ghostwalker
Member
From: Tacoma, WA
Registered: 2004-07-28
Posts: 140

Re: need help with lan

First you need to setup you Winbox with a 192.168.1.2 ip address. Then setup routing gateway 192.168.1.1. Second, test to see if can you ping you Win box from you linux box? and reverse linux box to Win box? ie: from your win box ping 192.168.1.1 then from you linux box ping 192.168.1.2
I changes on the win box may take a while to activate?
If the above works try accessing a site on the internet from you win box and linux box. Then you can use some wiki doc or man doc to setup samba for file sharing, as I have not used windows for a few years I am not sure how?

I use firestarter for configuring my firewall.

Walt


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#3 2004-08-28 19:48:54

ruwach
Member
Registered: 2004-06-14
Posts: 143

Re: need help with lan

ok, cant ping from linux ( the router ) dont know how to try from windows 2000, havn't used it myself for a few years also.

i installed firestarter, and dont know how to set it up, i went thru the wizzard and seemed easy.

from windows when i try to set up the network connection, it wants me to supply a user name and password to connect to the network. Where do i set up in Firestarter this kind of thing?

thanks for your help,

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#4 2004-08-28 20:06:33

whatah
Member
Registered: 2003-08-10
Posts: 114

Re: need help with lan

In terms of your network, i don't think the setup you want requires a crossover cable. From what i understand, a crossover cable is for connecting two different networks. If you are going to be using the linux box as a router, you should use a regular cable and have it assign IPs on eth1. (The port going to the laptop).

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#5 2004-08-28 20:22:43

ruwach
Member
Registered: 2004-06-14
Posts: 143

Re: need help with lan

ok, another question,
when i try to set this up in windows it is not looking for a gateway, i think, it asks for two dns servers (prefered and alternate)

??????


confused a bit.

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#6 2004-08-28 20:44:54

ruwach
Member
Registered: 2004-06-14
Posts: 143

Re: need help with lan

i think i do need a crossover cable. the lights on the nic in the linux box and the little lights on the laptop connection went out when i swithched cables to a straight through one.

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#7 2004-08-29 14:30:31

mercy
Member
Registered: 2004-04-24
Posts: 62

Re: need help with lan

shurely you need a crossover cable cuz you connect NIC with NIC  :!:

second... on your windoze you have to configure:
eg:
IP: 192.168.0.2
Gateway: 192.168.0.1
DNS: 192.168.0.1

third: ... linux box:
the ethernet for your INTRAnet:
IP: 192.168.0.1
the ethernet for your INTERnet:
(whatever you need to connect to the internet)

till here you should be able to :
Linux ping windoze ... windoze ping linux ... and surfing with linux

now:
in rc.conf add at DEAMONS
iptables BEVORE networking
than go to /etc/conf.d/iptables
there should be a line wich says IP_FORWARDING=0
change 0 to 1

do /etc/rc.d/iptables start

iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
-> important!: eth0 if eth0 is the NIC leading to the INTERNET .. if its eth1 than put eth1 there insteat eth0 smile

now you already should be able to ping IP-ADDRESSES in the internet from your windoze-box

additonally you have to set up some DNS-thingie ... pacman -S dnsmasq could do the trick for you... there is a thread on the board about that ... search for dnsmasq

when you have set up that you should be able to surf with windoze

for resource sharing take a look at samba smile

good luck

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#8 2004-08-29 22:01:11

ruwach
Member
Registered: 2004-06-14
Posts: 143

Re: need help with lan

thanks, got it all working now. your awesome.
-cheers

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#9 2004-08-30 10:10:31

mercy
Member
Registered: 2004-04-24
Posts: 62

Re: need help with lan

welcome to ARCH yikes)

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