auto-deactivating LAN

[rob75]

Hi all,
I need your suggestion about a strange behaviour I've found on my Ethernet Card.

I've just bought a P5B motherboard, already having his GB LAN onboard.
When connected to the network, the LAN works perfectly, allowing my PC to get his Physical Address number.

The problem arises when I disconnect my PC from the network.
In fact, when disconnected, immediately the LAN seems to de-activate itself,
and my PC looses his Physical Address (showing "fffffff" instead of his correct Physical Address number).

The only workaround I've found is to maintain "active" the LAN keeping my PC continuously connected to another one.
But it's quite trivial, and I'm looking for a serious solution, like some wizard setting in the control panel.


Do you have any suggestion?

Thanks

Roby

 

[Team Obi Juan]

Your PC shouldn't have an address if it's not on a network. Are you talking about an IP address?

I guess I don't get the question... does the NIC turn itself on? Does everything come back to normal when you plug the cable back in?

Why are you disconnecting it anyway?

 

[rob75]

I am talking about NIC address (physical address), not IP.

Every LAN has a NIC number obviously, which doesn't never change.
In order to be sure that LAN is working properly, I generally do a check on the NIC number, using the command "ipconfig \all"

So I'm pretty sure that my LAN works properly when connected to network, because I can see the NIC number appearing.
Instead, when I disconnect PC from network, my LAN seems to automatically shut down, because I see that NIC number becomes "fffffff", that is "failed".

This diagnosis says that, when disconnecting PC from network, my LAN switches-off automatically. And this behaviour is quite strange, because in the past, handling other PC's, I've seen that generally LAN's services are always "on" .

Therefore, I'm worried about some bug on my new motherboard.
I hope, of couse, it's only a configuration problem (control panel, and so on)..

Any help is welcome


Thanks


roby