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Can i have WLAN & LAN both at same time?

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8 replies

by jsilva

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Hi.
Im trying to connect a few pcs to my lan through a wireless connection.
I have an access point near those pcs, connected to an hub. I have one XP on my lan with a wireless nic which can communicate with those pcs. Its all fine.
But...
I cant have that XP on the LAN when its working through the WLAN and i cant have the wlan working when the lan-connected nic is enabled.
Im looking for a way to have both connections working at the same time.
Am i looking at this the wrong way or is there some config i must do aditionaly?
Thx!

8 replies

by andrew.mizzi

Since I haven't used WLAN, it may be WLAN related, but I can't see any reason why WinXP can't handle this. It handles multiple connections usually pretty well.

What happens to the LAN when WLAN is activated (or vice versa). Does one just kickout?

by jsilva

I dont understand either.
The fact is when i connect the lan cable, the wlan connection stops responding (i have a ping -t running).
When i disconnect the cable, it starts running ok again.
When i have the usb wlan nic disconnected, the lan works fine.
Its a 1 or the other situation i cant understand...

by unistw

Have you checked the ip addressing schema for your network? Are both the wlan and lan card on the same subnet? Possibly same ip address? Are you trying to route from the wlan to the lan? I assume that your lan is connected to Cable/dsl. Here is something that might work. Give the lan nic a static ip address with subnet and default gateway. Do the same for the wlan card, but don't give it a default gateway and choose to route between the two cards.

Hope this helps

by jsilva

Its not that.
Both have static different ips, both belong to the same subnet, no default gateways nor routes needed.
Im not using cable/dsl either. When i said cable, i meant the ethernet cable :)

by unistw

In that case I would purchase a wap. If you don't want to purchase a wap then I would make the xp box a router. I think the machine is getting confused as to where it is supposed to send it's traffic. That was the reason for the default gateway/nodefault gateway. Take a look on technet and search for multihomed nt 4.0. I used this article in the pasted and it helped me out.

by jsilva

Nope. Too complex. I found a simpler solution. Its not 100% but works. Changed the ip addressing. Problem is only that machine can access the data but i have a batch file doing an offline copy. Thx for any help anyway.

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