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Which DHCP

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Posted

Can i configure XP machine to get the DHCP reply from a specific DHCP server? the point is i have two DHCP server one of them in a cheap DSL modem which don't have a lot of options to configure, so i need to configure our clients to get DHCP answers from just one of them, any ideas?

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Posted

Can you explain more your environment. Honestly, I don't think there should be two DHCP servers.

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Posted

OK, its a long story my friend :)

we have a firewall (Sonicwall) used as firewall and VPN site to site, and its offering DHCP inside the organisation, its connect to a switch (HP Procurve), there is a DSL modem offering internet connection through the switch and wireless connectivity, the DHCP server in Sonicwall give the users the gateway IP address. while the wireless users using the DSL modem as their gateway so the DHCP server in this DSL modem offer its IP address as gateway for the users, the problem is some users internally getting their DHCP settings from the DSL modem instead of the sonicwall.

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Posted

So it's an all in one modem/router/AP? You shouldn't have some users going through the firewall and others bypassing it.

Edit: At least disable the DHCP server on the modem, you don't want it handing out addresses if you're running a normal DHCP server.

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Posted

Then the wireless users will not get an automatic IP!

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Posted

... Seriously?

As above, just disable one. The DHCP server that is left should handle everything else from then on.

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Posted

Either turn off the DHCP on the wireless or set it to forward to the other DHCP server. You should only have 1 DHCP server in your setup.

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Posted

Its real simple!

post-14624-0-80655500-1354196272.jpg

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Posted

lol

Less bitchy than your average reply. Still well played :p

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Posted

Agreed w/ everyone else. You're not going to accomplish this w/ your current DSL modem so just disable DHCP there.

But, if the goal is to just provide internet access to the wireless users then you do have other ways to make that happen. You could set up a wireless router on its own network w/ its own DHCP server, & route internet traffic over to your main firewall (e.g. 192.168.2.x routes traffic over to your main firewall at 192.168.1.x). And/or set up guest network access on a wireless router. It's not too difficult to do with a router using Tomato firmware, though other routers should be able to pull this off as well.

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