[root@gate rc.d]$ cat /var/db/dhcpd/dhcpd.leases | grep 10.200 -A 7
lease 10.200.0.247 {
  starts 0 2007/04/01 07:37:42;
  ends 0 2007/04/01 07:56:46;
  tstp 0 2007/04/01 07:56:46;
  binding state free;
  hardware ethernet 00:60:52:0c:3d:c9;
  uid "\001RAS \000`R\014=\311\000\000\000\000\000\000";
}
lease 10.200.0.246 {
  starts 0 2007/04/01 07:37:43;
  ends 0 2007/04/01 07:56:46;
  tstp 0 2007/04/01 07:56:46;
  binding state free;
  hardware ethernet 00:60:52:0c:3d:c9;
  uid "\001RAS \000`R\014=\311\000\000\001\000\000\000";
}
lease 10.200.0.253 {
  starts 6 2007/03/31 11:23:09;
  ends 6 2007/04/07 11:23:09;
  binding state active;
  next binding state free;
  hardware ethernet 00:20:ed:3b:b0:f8;
  uid "\001\000 \355;\260\370";
  client-hostname "1c";
--
lease 10.200.0.33 {
  starts 6 2007/03/31 11:40:25;
  ends 6 2007/04/07 11:40:25;
  binding state active;
  next binding state free;
  hardware ethernet 00:11:d8:e8:ad:36;
  uid "\001\000\021\330\350\2556";
  client-hostname "irina";
--
lease 10.200.0.250 {
  starts 6 2007/03/31 11:52:14;
  ends 6 2007/04/07 11:52:14;
  binding state active;
  next binding state free;
  hardware ethernet 00:20:af:f3:0b:34;
  uid "\001\000 \257\363\0134";
  client-hostname "mi";
--
lease 10.200.0.252 {
  starts 6 2007/03/31 13:21:21;
  ends 6 2007/04/07 13:21:21;
  binding state active;
  next binding state free;
  hardware ethernet 00:11:d8:e8:ad:25;
  uid "\001\000\021\330\350\255%";
  client-hostname "Masha";
--
lease 10.200.0.251 {
  starts 6 2007/03/31 13:34:33;
  ends 6 2007/04/07 13:34:33;
  binding state active;
  next binding state free;
  hardware ethernet 00:11:d8:e8:ad:70;
  uid "\001\000\021\330\350\255p";
  client-hostname "tm";
--
lease 10.200.0.249 {
  starts 0 2007/04/01 07:16:09;
  ends 0 2007/04/08 07:16:09;
  binding state active;
  next binding state free;
  hardware ethernet 00:08:0d:5a:bc:37;
  uid "\001\000\010\015Z\2747";
}
lease 10.200.0.248 {
  starts 0 2007/04/01 07:36:46;
  ends 0 2007/04/08 07:36:46;
  binding state active;
  next binding state free;
  hardware ethernet 00:60:52:0c:3d:c9;
  uid "\001\000`R\014=\311";
  client-hostname "Olesya";
--
lease 10.200.0.249 {
  starts 1 2007/04/02 05:41:38;
  ends 1 2007/04/09 05:41:38;
  binding state active;
  next binding state free;
  hardware ethernet 00:08:0d:5a:bc:37;
  uid "\001\000\010\015Z\2747";
}

почему у некоторых физических адресов разные ипы??