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March 18th, 2004 18:00

DHCP SERVER FOR 1170

I work for Technology Services in a school district in Michigan.  Trying to configure our new 1170 basestation to hand out IP addresses that I have programmed into the IP Pool.  I have a set range of IP addresses and have enabled the DHCP function.  I rebooted the basestation and all settings are set, however when I boot a laptop and connect to the 1170 it is still handing out IP addresses from our DHCP server on our network.  Just wondering if anyone is successfully using the DHCP function of this basestation and if they could quickly share how they did that!?

 

Thanks

Chris

 

 

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14 Posts

March 18th, 2004 19:00

We need to set it up this way for security reasons.  It is going into a training facility that is connected to one of our high schools.  It will be connected to a V lan that is segmented from our network. 

2.6K Posts

March 18th, 2004 19:00

Sounds to me like the DHCP server on your network is answring to the DHCPDISCOVERS quicker than your AP is. I don't know how to prevent that.

My question is: why? Why do you not want the clients to use your network's DHCP server?

2.6K Posts

March 18th, 2004 19:00

You could try this (would need more than just the 1170 though).

Put a firewall between the WAP and the wall, and add a rule to the firewall to drop packets returning from the DHCP server...

4.4K Posts

March 18th, 2004 19:00

It is going into a training facility that is connected to one of our high schools. It will be connected to a V lan that is segmented from our network.

Once it's in that environment, it will no longer pass broadcasts forward from the segment, assuming the VLAN's been set up to not pass DHCP requests forward.

I'd suggest setting up a test VLAN and confirming that.

I thought it was odd that the 1170 even included a DHCP server, since it's an access point. What you're seeing is what would be expected with two DHCP servers listening on the same LAN.

Jim

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March 23rd, 2004 11:00

Just a note:

Figured out that we were trying to program the wrong range of ip addresses in the ip pool.   It was showing that our ip range was in the pool, however would not hand them out.  The main thing is that the 1170 has DHCP, but no NAT.  We had to pick ip address that were in the same range as the assigned static ip for the basestation.  Once we did that it handed out the ip's and we were working great!

Thanks for all the suggestions!

Chris

 

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