DHCP problems with public IP ...

Hi everyone,

I use a iMac (2007) witch is connected by wire to an Airport Extreme (2009). The Airport Extreme is connected by wire to our FortiNet60.

Till yesterday I had a connection to the other Macs and the internet. Yesterday I joind the mobile.me and want to use the "back to my mac"-function.

Until then the Airport had a fix IP itself and the DHCP was with a range from 192....100 to 192.....200.

Like its said in the manual I changed the DHCP-range to "public" to have the option "NAT" and when saving I get two problems: The starting DHCP-adress and the ending DHCP-adress doesn't work. When changing the starting DHCP-adress to 192.168.....1 it works but the ending not. I tried all from 2 to 255 but always the message there will be a conflict with this range.

What can I do?

When setting the "Internet" from manual to DHCP the DHCP-range will be accepted. But the I have no connection to the internet because I get an IP for the Airport 169.175....

Thanks

Message was edited by: ChrisFrance

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