DHCP & PXE boot workstations

[DOYLE FOSTER]

DOYLE FOSTER wrote:

>I started with a new workstation that had never been on the network 
>before.  They ran it through the entire PXE boot and imaging 
>process.  Checking the leases file I found 5 IP addresses for this 
>mac address with no UID listed, and 2 IP addresses with exactly the 
>same UID listed.  I thought I understood that a subsequent request 
>from the same UID would be given the same IP adsress.  Not sure what 
>to expect for a request with no UID.

SIMON HOBSON wrote:

>That doesn't sound right, can you post the leases in question ?

Here is the output from the leases file for this mac address:

lease 172.23.255.221 {
  starts 4 2007/03/15 19:34:38;
  ends 4 2007/03/15 20:02:27;
  tstp 4 2007/03/15 20:02:27;
  tsfp 6 2007/03/17 07:34:38;
  atsfp 6 2007/03/17 07:34:38;
  cltt 4 2007/03/15 19:34:38;
  binding state free;
  hardware ethernet 00:19:b9:02:06:8f;
  uid "\001\000\031\271\002\006\217";
}
lease 172.23.255.245 {
  starts 4 2007/03/15 20:02:27;
  ends 4 2007/03/15 20:04:25;
  tstp 4 2007/03/15 20:04:25;
  tsfp 5 2007/03/16 20:32:27;
  atsfp 5 2007/03/16 20:32:27;
  cltt 4 2007/03/15 20:02:27;
  binding state free;
  hardware ethernet 00:19:b9:02:06:8f;
}
lease 172.23.255.70 {
  starts 4 2007/03/15 20:04:25;
  ends 4 2007/03/15 20:05:24;
  tstp 5 2007/03/16 20:34:25;
  tsfp 6 2007/03/17 08:04:25;
  atsfp 6 2007/03/17 08:04:25;
  cltt 4 2007/03/15 20:04:25;
  binding state free;
  hardware ethernet 00:19:b9:02:06:8f;
}
lease 172.23.255.59 {
  starts 4 2007/03/15 20:05:19;
  ends 4 2007/03/15 20:07:19;
  tstp 4 2007/03/15 08:59:09;
  tsfp 4 2007/03/15 08:59:09;
  atsfp 4 2007/03/15 08:59:09;
  cltt 4 2007/03/15 20:05:19;
  binding state free;
  hardware ethernet 00:19:b9:02:06:8f;
}
lease 172.23.255.254 {
  starts 4 2007/03/15 20:05:24;
  ends 4 2007/03/15 20:17:09;
  tstp 4 2007/03/15 20:17:09;
  tsfp 6 2007/03/17 08:05:24;
  atsfp 6 2007/03/17 08:05:24;
  cltt 4 2007/03/15 20:05:24;
  binding state free;
  hardware ethernet 00:19:b9:02:06:8f;
}
--
lease 172.23.255.219 {
  starts 4 2007/03/15 20:17:09;
  ends 5 2007/03/16 20:17:09;
  tstp 6 2007/03/17 08:17:09;
  tsfp 6 2007/03/17 08:17:09;
  atsfp 6 2007/03/17 08:17:09;
  cltt 4 2007/03/15 20:17:09;
  binding state active;
  next binding state expired;
  hardware ethernet 00:19:b9:02:06:8f;
}
lease 172.23.255.171 {
  starts 4 2007/03/15 20:17:37;
  ends 5 2007/03/16 20:17:37;
  tstp 6 2007/03/17 08:17:37;
  tsfp 6 2007/03/17 08:17:37;
  atsfp 6 2007/03/17 08:17:37;
  cltt 4 2007/03/15 20:17:37;
  binding state active;
  next binding state expired;
  hardware ethernet 00:19:b9:02:06:8f;
  uid "\001\000\031\271\002\006\217";

Thank you for you time and attention.