IP Address conflict errors

Freakish_05

Freakish_05

Freakish_05

Associate
Joined
1 May 2006
Posts
810
Location
Bristol, UK
Hokai,

So last weekend I overhauled our network. Set up loads of nice security stuff including MAC address filtering. Everything worked fine. As an added security measure, I decided to turn off the DHCP server and give each computer a static IP address. Again, this worked fine, until last night when blueyonder started playing funny-buggers with the internet.

Ever since then each computer has been randomly getting IP Address Conflict Errors. It doesn't neccessarily stop them doing what they're doing (in some cases it does). I tired turning DHCP back on last night to no avail.

Any ideas?
 
Try pinging and tracert from each machine to the other. If there are any errors first check the physical layer. That is, wires, connections etc. If it's still okay, then check the network layer. That is the router configuration, computer configuration etc. Then one by one, go up the hierachy, checking firewalls, NAT settings etc.
Find out how long, if it does, the assigned IP lasts for because some have an expiry date.
If you're getting routing errors. Check the routing tables in the router(s). If you're using a hub, replace it with a switch and see if you get less collisions.

Let me know how you get on :)
 
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