#cat /var/lib/dhcp/dhc

dhclient.leases  dhcpd.leases     dhcpd.leases~

#cat /var/lib/dhcp/dhc

dhclient.leases  dhcpd.leases     dhcpd.leases~

# The format of this file is documented in the dhcpd.leases(5) manual page.
# This lease file was written by isc-dhcp-4.1.1-P1
lease 192.168.40.10 {
  starts 1 2012/04/23 11:55:38;
  ends 1 2012/04/23 12:05:38;
  tstp 1 2012/04/23 12:05:38;
  cltt 1 2012/04/23 11:55:38;
  binding state active;
  next binding state free;
  hardware ethernet 00:1b:fc:f3:83:13;
  client-hostname "yad-nb";
}
server-duid "\000\001\000\001\027'\376B\000\017\376~\270\373";
lease 192.168.40.10 {
  starts 1 2012/04/23 11:59:40;
  ends 1 2012/04/23 11:59:40;
  tstp 1 2012/04/23 11:59:40;
  cltt 1 2012/04/23 11:59:40;
  binding state abandoned;
  next binding state free;
}
lease 192.168.40.11 {
  starts 1 2012/04/23 11:59:53;
  ends 1 2012/04/23 12:09:53;
  cltt 1 2012/04/23 11:59:53;
  binding state active;
  next binding state free;
  hardware ethernet 00:1b:fc:f3:83:13;
  client-hostname "yad-nb";
}
lease 192.168.40.10 {
  starts 1 2012/04/23 11:59:40;
  ends 1 2012/04/23 11:59:40;
  tstp 1 2012/04/23 11:59:40;
  cltt 1 2012/04/23 11:59:40;
  binding state free;
}
lease 192.168.40.11 {
  starts 1 2012/04/23 12:06:06;
  ends 1 2012/04/23 12:16:06;
  cltt 1 2012/04/23 12:06:06;
  binding state active;
  next binding state free;
  hardware ethernet 00:1b:fc:f3:83:13;
  client-hostname "yad-nb";
}
lease 192.168.40.11 {
  starts 1 2012/04/23 12:10:29;
  ends 1 2012/04/23 12:20:29;
  cltt 1 2012/04/23 12:10:29;
  binding state active;
  next binding state free;
  hardware ethernet 00:1b:fc:f3:83:13;
  client-hostname "yad-nb";
}
lease 192.168.40.11 {
  starts 1 2012/04/23 12:14:24;
  ends 1 2012/04/23 12:24:24;
  cltt 1 2012/04/23 12:14:24;
  binding state active;
  next binding state free;
  hardware ethernet 00:1b:fc:f3:83:13;
  client-hostname "yad-nb";
}