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Question
Prevent IP Conflict?
Hey,
A few months ago I brought this up in my CCNA course, we discussed it for quite awhile. I was in CCNA Exploration 2 at the time so I wasnt sure what the group of year 2 (3,4) students were saying about VLANs and how you could prevent someone on the network from taking out a server using an IP Conflict.
If anyone here can think of a simpler way to protect a Server on a LAN from an IP Conflict, is it possible to do this without access admin access to the router or use of VLANs?
Let me know.
Kind Regards,
Aaron
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by: carlson777Posted on 2009-08-19 at 09:49:12ID: 25134746
Best way that I can think of is to put servers on their own VLAN off the user VLAN.
Second way: Use DHCP for VLAN and do not give users the rights needed to assign their own IP address. But if someone brought in a non-company system you could still have issues with IP address conficts.
If the user is on the same VLAN as the server and you allow the user to assigh their own IP address you cannot prevent this.