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Configure 2 linux boxes and ADSL router and switch


Arne
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Pinging from the desktop to nic and to notebook gives the same error message as when I ping from from the notebook.

 

[arne@TOT ~]$ ping -c3 10.0.0.4

connect: No buffer space available

[arne@TOT ~]$ ping -c3 10.0.0.8

connect: No buffer space available

[arne@TOT ~]$ ping -c3 10.0.0.2

PING 10.0.0.2 (10.0.0.2) 56(84) bytes of data.

64 bytes from 10.0.0.2: icmp_seq=1 ttl=64 time=0.588 ms

64 bytes from 10.0.0.2: icmp_seq=2 ttl=64 time=0.796 ms

64 bytes from 10.0.0.2: icmp_seq=3 ttl=64 time=0.732 ms

 

--- 10.0.0.2 ping statistics ---

3 packets transmitted, 3 received, 0% packet loss, time 2001ms

rtt min/avg/max/mdev = 0.588/0.705/0.796/0.089 ms

 

I believe this is relevant

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The 3 first lines seems interesting. The last part is the same as in my prevous reply.

 

NOTEBOOK

[root@ast2 arne]# dmesg | grep eth0

eth0: RealTek RTL8139 at 0xcec2a000, 00:50:fc:b9:79:e0, IRQ 9

eth0:  Identified 8139 chip type 'RTL-8139C'

eth0: link up, 100Mbps, full-duplex, lpa 0x45E1

NETDEV WATCHDOG: eth0: transmit timed out

eth0: Transmit timeout, status 0d 0004 c07f media 00.

eth0: Tx queue start entry 4  dirty entry 0.

eth0:  Tx descriptor 0 is 0008a03c. (queue head)

eth0:  Tx descriptor 1 is 0008a03c.

eth0:  Tx descriptor 2 is 0008a03c.

eth0:  Tx descriptor 3 is 0008a03c.

eth0: link up, 100Mbps, full-duplex, lpa 0x45E1

NETDEV WATCHDOG: eth0: transmit timed out

Edited by Arne
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This looks like one of those threads you wish you never replied to... :)

 

The iptables command in the howto is to over-ride shorewall firewall when there is a proxy server running due to running the Internet connection sharing wizard - you don't have any of this, so an error is to be expected - ignore it.

 

It's not causing your problem, but shouldn't the reslov.conf entry be 10.0.0.2 ?

 

Your firewall is wide open, so no problem there.

 

Try the suggestions in turn, and let us know how you get on. (ipv6 is still on - the inet6 addr: fe80::250:fcff:feb9:79e0/64 line in ifconfig doesn't need to be there)

 

Make sure you are using the 8139too driver module.

 

The output of mii-tools eth0 from both machines may help.

 

Have fun!

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Both computers run this processes I mentioned above.

They run at 100% and heat is comming up, normally around 40degree Celsius. It's hards to do anything.

How can I stop this prosess???? I start to worry about the computers.

I tried to do "mii-tools eth0" but it don't work, maybe due to the same processes.

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This is the process, it's going on continuesly on both computers and take 99-100% on the CPU.

 

NETDEV WATCHDOG: eth0: transmit timed out

eth0: Transmit timeout, status 0d 0004 c07f media 00.

eth0: Tx queue start entry 4 dirty entry 0.

eth0: Tx descriptor 0 is 0008a03c. (queue head)

eth0: Tx descriptor 1 is 0008a03c.

eth0: Tx descriptor 2 is 0008a03c.

eth0: Tx descriptor 3 is 0008a03c.

eth0: link up, 100Mbps, full-duplex, lpa 0x45E1

NETDEV WATCHDOG: eth0: transmit timed out

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What module is being used now?

 

I think we need to ensure the 8139too one is in use before we go any further, and IPv6 is disabled. Please confirm.

 

Please also confirm you have checked/swapped the cables, you are not plugged in to an uplink port on the switch, or that the CD distro still works.

 

I am also assuming you don't have another card you can try...

 

Chris

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This is a long shot, but you might want to give it a try. I have sometimes encountered problems with the 8139t00 driver(Realtek chipset nics) and acpi, the power management system in the bios. You can quickly test if this is the problem by rebooting and hit the Esc key as soon as you see the boot selection screen. That will take you to a boot prompt at which you should type:

 

linux noapic nolapic acpi=off

 

Then hit the Enter key to start booting. This will prevent the acpi from loading for this session. Then test your network like you did before re pinging your router and the other box.

 

Also, check your cable and confirm that it is working OK with the other box. It may just be a bad cable.

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So far, I have only used 'rmmod' to disable '8139co' but it don't survive a reboot.

So what command to enter where to prevent it from loading during boot, please.?????

The same for disabling "IPv6. please???????

 

So to the good news. Yes I have another card.

16 bit Chetach EthernetCard-2328 with

Belkin F5D5020 Fast Ethernet.

 

It's amazing, I take out 8139 card and plug in the new card and then I can ping the whole world.

After reboot can still ping everywhere, Google open fast.

I can ping notebook from the desktop.

Firefox is running fast on the notebook and Opera is running fast on the desktop. The router reports 2 computers is connected.

 

The strange ting is that this approach, take out and plug in another card, worked the same way in mdv 10.1 and the 8139 card 4 month ago.

 

Even everything seems OK no I will appreciate if you will be so kind and answer my to questions above. I will also like to learn more about network, wired and wireless because my next step is to put a wireless card in my notebook and add a wireless access point to my router. Do you have any tip for books, articles and good websites.

 

Can you recommend wireless pcmcia card and access point that work in mdv2006????

 

I am glad you hang in even we didnt have much luck, and I have learned several thing to. For me linux is like a long learning road.

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So far, I have only used 'rmmod' to disable '8139co' but it don't survive a reboot.

So what command to enter where to prevent it from loading during boot, please.?????

/etc/modprobe.conf file:

alias eth0 8139too

 

if that doesn't work, I think there are further commands you can add in there, along the lines of

remove 8139cp

but there may be more to it than that - check the man pages

 

The same for disabling "IPv6. please???????

/etc/modprobe.conf file:

alias net-pf-10 off

 

Any access point/ wireless modem router with a web interface should work.

 

Wireless cards are another kettle of fish, but use the search facility in the forum for recommendations.

 

I have used the following PCMCIA cards on Mandrake: (I don't run 2006 though...)

Cisco 340

Buffalo WLI-PCM-L11G

Belkin F5D7010xx (with ndiswrapper)

and USB:

Belkin F5D7050 (with ndiswrapper)

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