No Internet for wireless laptop via bridge

March 25, 2010 at 21:14:05
Specs: Windows XP SP2, Pentium 4 / 768MB
I have a network setup as follows:

Wired modem/router (192.168.1.1) providing Internet connectivity to an
XP machine (192.168.1.20) and a second XP machine (192.168.1.10) which also has a wireless NIC.

An XP laptop (169.254.1.30) connects wirelessly to the dual NIC machine's wireless NIC (169.254.1.10).


After a lot of configuring I managed to get the laptop to successfully
ping everything on my intranet. To achieve this I had to:

Set the gateway on the laptop to be 169.254.1.10
Enable IPforwarding on both wireless machines (not sure if that was necessary on both)
Add a static route to the router for 169.254.1.0 255.255.255.0 gw:192.168.1.10 (lan interface)

But I still can't ping remote internet addresses from the laptop. I can from all wired machines though.

When I ping 192.168.1.1 from the laptop I can see an arp entry on the dual nic machine. But if I ping an address like www.google.com there is no arp entry. I assume there should be if it's doing the forwarding.

Relevant routes on the dual NIC machine:

> > Network Destination Netmask Gateway Interface Metric
> > 0.0.0.0 0.0.0.0 192.168.1.1 192.168.1.10 20
> > 127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1
> > 169.254.1.0 255.255.255.0 169.254.1.10 169.254.1.10 30
> > 169.254.1.10 255.255.255.255 127.0.0.1 127.0.0.1 30
> > 169.254.255.255 255.255.255.255 169.254.1.10 169.254.1.10 30
> > 192.168.1.0 255.255.255.0 192.168.1.10 192.168.1.10 20
> > 192.168.1.10 255.255.255.255 127.0.0.1 127.0.0.1 20
> > 192.168.1.255 255.255.255.255 192.168.1.10 192.168.1.10 20
> > 224.0.0.0 240.0.0.0 169.254.1.10 169.254.1.10 30
> > 224.0.0.0 240.0.0.0 192.168.1.10 192.168.1.10 20
> > 255.255.255.255 255.255.255.255 169.254.1.10 169.254.1.10 1
> > 255.255.255.255 255.255.255.255 192.168.1.10 192.168.1.10 1
> > Default Gateway: 192.168.1.1

And on the laptop:

> > Network Destination Netmask Gateway Interface Metric
> > 0.0.0.0 0.0.0.0 169.254.1.10 169.254.1.30 30
> > 127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1
> > 169.254.1.0 255.255.255.0 169.254.1.30 169.254.1.30 25
> > 169.254.1.30 255.255.255.255 127.0.0.1 127.0.0.1 25
> > 169.254.255.255 255.255.255.255 169.254.1.30 169.254.1.30 25
> > 224.0.0.0 240.0.0.0 169.254.1.30 169.254.1.30 25
> > 255.255.255.255 255.255.255.255 169.254.1.30 169.254.1.30 1
> > Default Gateway: 169.254.1.10

I've run out of ideas. Any suggestions?


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#1
March 26, 2010 at 07:16:31
Here's a suggestion......keep it simple!

You're over complicating this.

If your SOHO Router isn't wireless capable, spend $80 and buy a wireless Access Point. Plug the AP into your router and connect your laptop to that.


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