dhcpd.leases set ddns

Andreas Moroder andreas.moroder at sb-brixen.it
Thu Apr 3 08:39:36 UTC 2008


when certain printers ask for a new lease the lease files contains lines 
of like the following

   set ddns-fwd-name = "ps-int-sek.sb-brixen.it";
   set ddns-rev-name = "";
   on expiry or release {
     switch (ns-update (delete (1, 12, ddns-rev-name, null))) {
      case 0:
       unset ddns-rev-name ;
     switch (ns-update (delete (1, 1, ddns-fwd-name, leased-address))) {
      case 0:
       unset ddns-fwd-name ;
     on expiry or release;

For other printer there are no such lines in the lease file.

Can anyone please tell me what's the reason for this difference ?
We have a 3.0.4 dhcpd. I know it is old and we plan to switch in the 
next days.


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