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52 posts

Master Geek
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Topic # 26939 7-Oct-2008 22:23
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Having a few problems with the DHCP server seeming to be on the blink.

Everything appears to be setup correct and i can add devices with a static IP in the dhcp range but cannot get them to assign via DHCP.

I have three machines and a print server on the network. Two of the machines are still working fine via DHCP, but i am thinking that they are still running through the lease.

I have tried and swapped out cables, ports, nic's and anything else i can do, reset the router and pretty much everything else except from flashing the firmware. I have not done this as the network is a commercial setup with  VPN's and i need to programme some dwntime in just in case it doesnt come back up straight away.

In the meantime i am trying to see if there is anything else i can try.

As i said i have diagnosed as much as i can and am assuming it is the DHCP, i have found one other instance of a failing DHCP server on the net but that was a symptom of playing around with the firmware.

Any ideas?


PS. I have also a small piece of software that scans for print servers that are on the same segment, this also doesnt work as it did before. I can browse to the Print server via a direct IP address in Internet Explorer so i know it is on the same segment but the damn thing just wont pick it up, maybe some protocol blocking or firewall problem?

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39 posts


  Reply # 172774 22-Oct-2008 14:11
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A couple of suggestions

1. Firewall on the workstation blocking DHCP replies?
2. DHCP server run out of addresses to give?

Also have you managed to get any other device to aquire an IP address from the server??

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