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Old 07-15-2007, 06:41 PM   #1
sfzab
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Registered: Dec 2005
Location: Puerto Rico
Distribution: Linux Suse 10.0
Posts: 49

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Motherboard ethernet connection failure with SuSe Linux 10.1


I changed recently the motherboard in my PC for a:

Biostar GeForce 6100 AM2 model that has a
LAN - Realtek 8201CL PHY - 10/100 Mb/s Auto-Negociation

After performing a "clean install", I reinstalled first Windows XP Pro and then SuSe Linux 10.1. The Biostar motherboard came with a Drivers and Utilities CD for its nVidia Chipset that I ran after installing Win XP Pro for better system performance.

Then I setup the LAN and wireless network connections, and they both work well for Win XP Pro.

While I was installing SuSe Linux 10.1 everything went OK until it searched the Network cards. In the Hardware configuration screen it indicated that it found an

eth0 device: nVidia Corporation MCP51 Ethernet Controller (rev a3)

Later on, when the S/L Setup CD showed the "Running Internet Connection Test" onscreen it indicated that the

Result [was] Failure ... View Logs

At the "Internet Connection Tests Log" in Opening of connection screen it indicated the following:

eth0 configuration : eth-id-00:e0:4d:04:2f:82

Starting DMCP Client on eth0... .IP/Netmask: 192.168.0.3 / 255.255.255.0

The PC has indeed no internet connection in SuSe Linux 10.1.

Can anyone tell me how this can be corrected?
 
Old 07-15-2007, 11:52 PM   #2
Kahless
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Registered: Jul 2003
Location: Pennsylvainia
Distribution: Slackware / Debian / *Ubuntu / Opensuse / Solaris uname: Brian Cooney
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Several points.

First of all, it would appear that under Suse, the network card DID get an IP address from the router. so:
Are you able to ping the router? probably: ping 192.168.0.1
are you able to ping Google by name? ping google.com
are you able to ping Google by one of its IP's? ping 72.14.207.99


If you cant ping anything, you have a connectivty issue.
If you can ping your router, and google by IP, but not google by name, you have a DNS issue
If you can ping your router, but cant ping google at all, you have a routing issue

I find it unlikley that your far from a working config if you have an IP address. You can verify that you do with the ifconfig command.

Post the output of ifconfig, and the results of your pings (just which worked and which didnt, details not needed for pings) and we can give you an idea how to proceed.


Also, you have a wireless card in the machine as well? does it appear to be working at all?

If you cant find native linux drivers for it (look hard for native drivers first) you may be able to get the wireless card working under ndiswrapper.
 
Old 07-17-2007, 02:07 PM   #3
sfzab
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Registered: Dec 2005
Location: Puerto Rico
Distribution: Linux Suse 10.0
Posts: 49

Original Poster
Rep: Reputation: 15
Results of the ping tests made

Quote:
Originally Posted by Kahless
Several points.

First of all, it would appear that under Suse, the network card DID get an IP address from the router. so:
Are you able to ping the router? probably: ping 192.168.0.1
are you able to ping Google by name? ping google.com
are you able to ping Google by one of its IP's? ping 72.14.207.99

If you cant ping anything, you have a connectivty issue.
If you can ping your router, and google by IP, but not google by name, you have a DNS issue
If you can ping your router, but cant ping google at all, you have a routing issue

I find it unlikley that your far from a working config if you have an IP address. You can verify that you do with the ifconfig command.

Post the output of ifconfig, and the results of your pings (just which worked and which didnt, details not needed for pings) and we can give you an idea how to proceed.

Also, you have a wireless card in the machine as well? does it appear to be working at all?

If you cant find native linux drivers for it (look hard for native drivers first) you may be able to get the wireless card working under ndiswrapper.
----------------------------------------------------------------------------------------------------
I do not have a wireless card in the PC, but in a laptop. It has only Windows XP Home, and it works well.
----------------------------------------------------------------------------------------------------
This is what appears onscreen in

YaST Control Center > Network Devices > Network Card
Network Setup Method > ● Traditional Method with ifup > Next

Network Card Configuration Overview >
Name (is) Biostar Microtech Intl MCP51 Ethernet Controller DHCP

...Biostar Microtech Intl MCP51 Ethernet Controller
● Device Name: eth-id-00:e0:4d:04:2f:82
● Started automatically at boot
● IP address assigned using DHCP

Network Card Configuration Overview > Add > Select fom List

What appears there is RealTek RTL 8129/8139
However, the Biostar Motherboard Features | Spec page indicates
LAN...(as).....................RealTek 8201CL PHY...............10 / 100 Mb/s Auto-Negotiation
I did not make any changes in................Add...................as I had doubts.

Network Card Configuration Overview > Edit > Network Address Setup

Device Type (is) Ethernet...............Configuration name (is) id-00:e0:4d:04:2f:82
● Automatic Address Setup (via DHCP)
IP address (is)..........[in BLANK]
Subnet Mask (is).......[in BLANK]

I did not make any changes in....................Edit...............as I wanted you to review the info.

When I entered the Gnome Terminal as root and typed the commands, the O/S wrote onscreen

linuxhost:/home/sfzab # modprobe forcedeth
linuxhost:/home/sfzab #
linuxhost:/home/sfzab # ifup eth0
.....eth0.......device: nVidia Corporation MCP51 Ethernet Controller (rev a3)
.....eth0.......configuration: eth-id-00:e0:4d:04:2f:82
DHCP client is already running on eth0

linuxhost:/home/sfzab # ping 192.168.0.1
connect: Network is unreachable

linuxhost:/home/sfzab # ping google.com
ping: unknown host google.com

linuxhost:/home/sfzab # ping 72.14.207.99
connect: Network is unreachable

linuxhost:/home/sfzab # ifconfig eth0 192.168.0.2
linuxhost:/home/sfzab #

There is still no internet connection in Mozilla Firefox. The router was configured in Windows XP Pro and one can browse ok.
 
  


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