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IP Address problem ?

By masidhamu ·
Hi,my organization is medical college and we have 220 system in hospital side and more than 500 laptops used for student to connect wi-fi in our campus.we are installed stand alone wifi routers in our campus,We are using 2003 domain,fortinet 110 c firewall ,HP manageable switch.we are using ip address 14 segments like 192.1.1.1 to 192.1.14.255,
IP address 192.1.1.1 to 192.1.1.240 using for hospital and it is in DC,Other segments IP's using to students for using wifi internet connection,but this is not in domain.
Every time students are changing IP address ,all hospital system getting IP conflict error ,even they trying server ip also.

can anybody suggest me to solve this problem

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See this

by Mehul Bhai In reply to IP Address problem ?

http://www.gzmzjj.com/WebHosting/0302/152097.html
And use a DHCP server for alloting IP Addresses.

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You should use different IP addresses

by oterrya In reply to IP Address problem ?

See earlier reply. If you are in the 192.x.x.x range you should confine your selves to the 192.168.x.x. range of IP addresses which gives you over 60,000 addresses. If this is not enough, You may use the 10.x.x.x range of IP addresses which gives you over 15,000,000 IP addresses. You should heed the distinction between public vs. private addresses as indicated in the previous post and not use any 192.x.x.x addresses outside of the 192.168.x.x range. Depending on your configuration, using public addresses internally, may prevent you from accessing many public web sites or may take you out to a public web site when you really wanted an internal one. Either situation is bad news.

As the previous answer indicated, it might be a good idea to use a DHCP server of some kind to allocate your internal IP addresses. You could do it as simply as a using a router to assign the internal IP addresses. Because of the size of your operation, you may be better off using an actual internal server to assign the addresses -- you could then include security validation on the requests.

Do not let the students assign their own IP addresses. Require them to get them from the DHCP server -- of whatever fashion you choose. Run their reauests through at least a router that keeps them out of the hospital range (let us say it is 192.168.1.xxx -- note not 192.1.x.x). By keeping them on a different subnet, you will eliminate the interference it appears you are describing.

I suggest you hire a network consultant to help you fix things.

If the students are outside of the internal network, there are more parameters than for which I could possibly provide guidance here in this forum. In that event, you really need to obtain a network consultant to help straighten things out..

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Yep - 192.1.x.x is not in Private Address space.

by seanferd In reply to IP Address problem ?

Sure, you'll have problems. You have to stick with the 192.168/16 prefix.
Or 172.16/12 or 10/8.

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