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 From:  Aaron <lists at mycommunitynet dot net>
 To:  m0n0wall dash dev at lists dot m0n0 dot ch
 Subject:  Active sessions vs. DHCP leases
 Date:  Tue, 2 Nov 2004 09:43:31 -0800
Hello all. I am wondering if there would be a way of having a feature 
that compares the list of active sessions to the  list of DHCP leases.

I see on the status.php page, with the command ipnat -lv, it shows all 
NAT mappings. If mono had the ability to take the list of the IP's from 
the active sessions and compare it to the list of the DHCP assigned 
IP's and show those that have active sessions, but don't have a DHCP 
lease, would be helpful. Then I would know who is statically assigning 
IP addresses. By showing statically assigned machines and being able to 
re-educate them before they cause problems, I could avoid things like 
this...

Nov  2 05:46:02 m0n0wall /kernel: arp: 192.168.100.200 moved from 
00:02:b3:95:fb:f8 to 00:90:4b:39:74:95 on sis0
Nov  2 05:46:02 m0n0wall /kernel: arp: 192.168.100.200 moved from 
00:90:4b:39:74:95 to 00:02:b3:95:fb:f8 on sis0
Nov  2 06:04:24 m0n0wall /kernel: arp: 192.168.100.200 moved from 
00:02:b3:95:fb:f8 to 00:90:4b:39:74:95 on sis0
Nov  2 06:04:24 m0n0wall /kernel: arp: 192.168.100.200 moved from 
00:90:4b:39:74:95 to 00:02:b3:95:fb:f8 on sis0

Would this be something useful? Would there be an easier/better way?

- Aaron