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PostPosted: Sun Sep 02, 2007 1:30 pm 
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Joined: Tue Sep 13, 2005 10:48 am
Posts: 852
Location: London, UK
My current Mythboxen is now to be intergrated into my embryonic wired network. That'll be a broadband router (with firewall) connected to an intelligent switch that will presently haver a few frontends added.
My windows box is also on this network with a view to SSHing in... as it makes copying files over a doddle etc...

Unfortunately switching back to wires has not gone smoothly.

Things I have done:
1. Turned on the onboard network adapter in the BIOS.
2. Removed the wireless network card.
3. Modified my /etc/network/interfaces file to this:

Code:
auto lo eth0
iface lo inet loopback

iface eth0 inet dhcp


Tried to start the network conncetion manually and failed. Rebooted several times to see if that worked. It didn't.
On reboot I get a message saying the ethernet connection cannot be brought up or some such nonesense (- unfortunately I've an evening of TV to record so can't check right now) then it tries to search for a dhcp offer. This fails and the network goes to sleep.

What have I missed?

Oh btw I've tried this version of the /etc/network/interface too

Code:
auto lo
iface lo inet loopback

auto eth0
iface eth0 inet dhcp

This didn't work either.

ifconfig appears to recognise the onboard NIC as eth0.

Thanks for any advice.

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Version:R8
Intel C2D 7400, Nvidia 5600 via HDMI to Samsung B37B650TW (PAL), Asus P5QL-E mobo, 4Gb PC6400 DDR2 ram, Samsung Spinpoint 500 Gb & 1Tb drive, Nova-HD-S2 (x2)


Last edited by tophee on Thu Sep 20, 2007 5:32 am, edited 2 times in total.


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PostPosted: Sun Sep 02, 2007 2:04 pm 
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Joined: Fri Sep 19, 2003 6:37 pm
Posts: 2659
Location: Whittier, Ca
Code:
netcardconfig --force
Does what?


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PostPosted: Mon Sep 03, 2007 11:53 am 
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Joined: Tue Sep 13, 2005 10:48 am
Posts: 852
Location: London, UK
netcardconfig --force does nothing. Well, not quite: It tries to search for a DHCP connections but fails. I get this message back:

Quote:
Sending DHCP broadcast from device eth0Operation failed.


Darn.

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Intel C2D 7400, Nvidia 5600 via HDMI to Samsung B37B650TW (PAL), Asus P5QL-E mobo, 4Gb PC6400 DDR2 ram, Samsung Spinpoint 500 Gb & 1Tb drive, Nova-HD-S2 (x2)


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PostPosted: Mon Sep 03, 2007 12:10 pm 
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Joined: Sun Sep 05, 2004 7:06 pm
Posts: 690
Take a look at the dhcp config file

Code:
/etc/dhcp3/dhcpd.conf


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PostPosted: Mon Sep 03, 2007 12:28 pm 
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Joined: Wed Dec 21, 2005 1:14 pm
Posts: 145
Location: Charlotte NC USA
do you get a link light on the network adapter and/or switch?


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PostPosted: Tue Sep 04, 2007 12:15 am 
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Joined: Tue Sep 13, 2005 10:48 am
Posts: 852
Location: London, UK
Hi,
I'm not sure I get a link light on the mobo but I can't check now, as I'm out of town for a few days. But I'll be back Friday and will look at this. I'll have a look at the dhcp config file, but I don't think it's this. On boot up I get a message about eth0 not being ready.
Regards

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Version:R8
Intel C2D 7400, Nvidia 5600 via HDMI to Samsung B37B650TW (PAL), Asus P5QL-E mobo, 4Gb PC6400 DDR2 ram, Samsung Spinpoint 500 Gb & 1Tb drive, Nova-HD-S2 (x2)


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PostPosted: Tue Sep 04, 2007 8:40 am 
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Joined: Mon Feb 16, 2004 7:06 pm
Posts: 309
Location: Toronto
Some motherboards have 2 NICs, I've had trouble with that before. Just make sure the right one is plugged in.

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PostPosted: Wed Sep 05, 2007 1:13 am 
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Joined: Tue Sep 13, 2005 10:48 am
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Location: London, UK
Only a single NIC

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PostPosted: Sat Sep 15, 2007 5:30 am 
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Joined: Tue Sep 13, 2005 10:48 am
Posts: 852
Location: London, UK
Since R5F26 is out I thought I would upgrade mostly to see if this fixed my NIC issues. It didn't.

I'm now working on the proviso that the onboard NIC has gone bad. I had a rummage in a parts box and found a pci ethernet 10/100 card. I plugged this into my boxen and turned the onboard NIC off in the BIOS.

The DHCP search failed on the reboot, so I tried manually. This too failed.
So I reinstalled KnoppMyth onto a spare harddrive I had lying around (- so to preserve what I've already got recorded etc.)

I now get a link light at both ends which is a step in the right direction, but still no network. I know the cable is good. I've switched the socket on the router the cable is plugged into. I'm pretty sure the plugin NIC card is good.

Suggestions anyone?

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Version:R8
Intel C2D 7400, Nvidia 5600 via HDMI to Samsung B37B650TW (PAL), Asus P5QL-E mobo, 4Gb PC6400 DDR2 ram, Samsung Spinpoint 500 Gb & 1Tb drive, Nova-HD-S2 (x2)


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PostPosted: Sun Sep 16, 2007 8:16 am 
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Joined: Wed Nov 16, 2005 8:55 pm
Posts: 1381
Location: Farmington, MI USA
tophee wrote:
The DHCP search failed on the reboot, so I tried manually. This too failed.
Do you have a DHCP server on your network? Such as a router (make sure DHCP is enabled and configured)...


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PostPosted: Sun Sep 16, 2007 8:58 am 
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Joined: Tue Sep 13, 2005 10:48 am
Posts: 852
Location: London, UK
I have a Netgear router with firewall and wireless. So yes, or it should be. But I'll double check.

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Intel C2D 7400, Nvidia 5600 via HDMI to Samsung B37B650TW (PAL), Asus P5QL-E mobo, 4Gb PC6400 DDR2 ram, Samsung Spinpoint 500 Gb & 1Tb drive, Nova-HD-S2 (x2)


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PostPosted: Mon Sep 17, 2007 4:02 am 
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Joined: Tue Sep 13, 2005 10:48 am
Posts: 852
Location: London, UK
All seems good on the router front. It is definitely set to accept dhcp from internal connections.

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Intel C2D 7400, Nvidia 5600 via HDMI to Samsung B37B650TW (PAL), Asus P5QL-E mobo, 4Gb PC6400 DDR2 ram, Samsung Spinpoint 500 Gb & 1Tb drive, Nova-HD-S2 (x2)


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PostPosted: Mon Sep 17, 2007 8:16 am 
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Joined: Wed Nov 16, 2005 8:55 pm
Posts: 1381
Location: Farmington, MI USA
tophee wrote:
All seems good on the router front. It is definitely set to accept dhcp from internal connections.
* - Does the NIC work if you set it to a static IP/netmask?

* - Is the router configured to only provide DHCP info to certain MAC addresses? Is it using WPA/WEP/etc.?

This certainly seems like a router/DHCP server misconfiguration, or perhaps you need to use wpa_supplicant or the like to provide authentication details to your router.


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PostPosted: Mon Sep 17, 2007 9:56 am 
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Joined: Tue Sep 13, 2005 10:48 am
Posts: 852
Location: London, UK
Well I had WPA turned on when I was using wireless, it's now turned off. Though I wouldn't have thought that'd make a difference.
Now that I'm back on wires and turned the wireless broadcast off.
I had limited the available address that the router would assign to four.
At the moment there is only my windows machine and the mythbox supposed to be on the network. I've increased the available addresses to be assigned so that shouldn't come into it. I've also released and renewed my connection.
The router is a netgear wgt624 v3

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Version:R8
Intel C2D 7400, Nvidia 5600 via HDMI to Samsung B37B650TW (PAL), Asus P5QL-E mobo, 4Gb PC6400 DDR2 ram, Samsung Spinpoint 500 Gb & 1Tb drive, Nova-HD-S2 (x2)


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PostPosted: Mon Sep 17, 2007 10:06 am 
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Joined: Wed Nov 16, 2005 8:55 pm
Posts: 1381
Location: Farmington, MI USA
tophee wrote:
Well I had WPA turned on when I was using wireless, it's now turned off. Though I wouldn't have thought that'd make a difference.
Sorry, I was thinking wireless.

tophee wrote:
I had limited the available address that the router would assign to four.
Limited by MAC address as well? (This may be strictly a functionality within the wireless portion, or may not exist on your router at all)

Quote:
* - Does the NIC work if you set it to a static IP/netmask?


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