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Restoring IP Address

By turki76 ·
My workstation was assigned to a certain IP@ which got special authorizations to important facilities. Somebody has stolen this IP address and assigned it to his workstation as a static one. As a Network Admin. how to regain this IP?

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Restoring IP Address

by eBob In reply to Restoring IP Address

As a "network admin" you should have the right to track this individual down and provide them with an alternative. So the question is "how to do this?"

Use the "arp" command to try and match up the required IP address with the rogue system's MAC address. If you have the documentation to match, then you can simply locate the MAC address on your list of systems. If you don't, then you'll have to track down the rogue in different ways. Depeding on a lot of variables, you might be able to PING the IP address and your system MIGHT give back a system name. Eee-Zee then. Otherwise, I would log into the LAN switch and try to locate the system's MAC address on that switch.

Failing those, then I would stay late or arrive real early. Set my PC up with the required IP address (assuming that the rogue system is shut down). When they start up somebody is going to get a "duplicate address" error.

In any case, you actually have a different problem. You either have a rogue user (imagine, setting up their own Network config!) or you have another network admin with whom you are not communicating. If the latter, then you've got to get this other admin talking to you.

Best o' Luck

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Restoring IP Address

by turki76 In reply to Restoring IP Address

The question was auto-closed by TechRepublic

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Restoring IP Address

by steby In reply to Restoring IP Address

Check WINS database. You can set it to show every computer name with the corresponding IP address. Unless you clear the database, it will be there since it is not leased. Since you have a record of who uses which computer name there shouldn't be anyproblem.
I hope this solves your problem.

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Restoring IP Address

by turki76 In reply to Restoring IP Address

Poster rated this answer

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Restoring IP Address

by rcurtis In reply to Restoring IP Address

Or you could tracert to the IP, this should give you the Netbios ID.. if you have configured your machine names in an appropriate manner.. such as geogrphic location then you'll know who it is..
OR block that IP from accessing your network resources. This way the user will have to request a new IP thus freeing up the one you need.

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Restoring IP Address

by turki76 In reply to Restoring IP Address

The question was auto-closed by TechRepublic

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Restoring IP Address

by romancesar In reply to Restoring IP Address

Use the Tracert command which will display the Host name of the Workstation which has the IP address.....HTH

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Restoring IP Address

by turki76 In reply to Restoring IP Address

The question was auto-closed by TechRepublic

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by turki76 In reply to Restoring IP Address

This question was auto closed due to inactivity

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