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Wireless Help - DHCP fix breaks network discovery posted in the Web & Networking forums; Hi guys, my first time on this forum, looks like a friendly place Anyways: We recently set up a network in our new house, there are four of us all ...

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  #1  
Old 08-31-2008
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Default DHCP fix breaks network discovery

Hi guys, my first time on this forum, looks like a friendly place

Anyways:

We recently set up a network in our new house, there are four of us all on the wireless, plus three consoles connecting through ethernet.

Of the four computers:
1 is XP, using a wireless-g adapter
1 is Vista using a wireless-g adapter
2 are Vista using wireless-n adapters

The router we are using is a WAG160N (firmware V1.00.09).

We started noticing a problem a few days after setting up. The vista machines would never be able to reconnect after disconnecting. The router had to be power cycled in every case. Turned out it was something to do with DHCP broadcast flags that vista uses. After tinkering with the registry a little, i got everyone's PCs connecting perfectly.

The only problem is, now nobody's PCs can see each other. Clicking on the "network" item in the start menu returns a list consisting of the computer you're doing it on, and the router. I should stress that we could all see each other before i did the DhcpToggleEnableBroadcastFlag fix.

While being fairly competent when in comes to technology, i'm literally clueless when it comes to wireless networking. Hence why i'm now here

So, any ideas? Is there any more information that you guys need?

Thanks in advance!


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Old 08-31-2008
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Default Re: DHCP fix breaks network discovery

Hi there and welcome to the forum.

Can you ping each PC in the workgroup?


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Old 08-31-2008
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Default Re: DHCP fix breaks network discovery

I can ping the XP machine, but i get a timeout if i try and ping a vista machine with the DHCP fix.

And thanks for the welcome


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Default Re: DHCP fix breaks network discovery

What firewall software do you have on the Vista PC?

Try switching off the firewall to test (even if it's the standard Windows firewall).


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Default Re: DHCP fix breaks network discovery

All the machines are using windows firewall. I'll test the machines with it off and report back. Thanks for the quick replies btw.


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Old 08-31-2008
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Default Re: DHCP fix breaks network discovery

Ok, tested without windows firewalls on, no joy.

Also, i tried setting manual IP settings for the connection to bypass DHCP completely. I could then undo the registry tweak and still connect. However, this still has the same problem of other computers being unpingable.


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Default Re: DHCP fix breaks network discovery

...and what about external connections from the Vista PC..such as the Internet?


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