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I'm trying to find the DHCP lease info for my wifi connection on a network using WPA2 Enterprise and PEAP. I can do this in Windows using ipconfig /all which shows both when the lease was issued and when the lease expires.

Looking in /var/lib/dhcp I cannot find any recent entries. All of them appear to be for other wifi networks. Also my /var/lib/dhcp/dhclient.leases file is empty. So I'm wondering if the information is kept somewhere else in the case of PEAP connections, but have been unable to find any info about this after a few google searches.

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Look in /var/lib/NetworkManager for the lease.


I do see an old lease in my /var/lib/dhcp dating back to April, when I think I updated my system from 12.04 to 14.04. I have no idea why such a change was made.

  • Do you know why some leases end up in /var/lib/dhcp and some in /var/lib/NetworkManager? Was my assumption correct that PEAP leases end up in the path you provided? I've never made a connection using anything other than the Network Manager GUI so it just seems a little weird to me. – TheSchwa Sep 10 '14 at 23:18

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