dhcpinform messages

Luc T. taoh666 at yahoo.com
Thu Jan 18 15:23:58 UTC 2007


I just finished a dhcp server migration from a solaris to linux isc dhcp server.
   
  following is the configuration for subnet 10.0.2.0
   
  subnet 10.0.2.0 netmask 255.255.255.0  {
        default-lease-time 86400;
        option routers 10.0.2.1;
        host 001993NN6D20 { hardware ethernet 00:19:93:NN:6D:20; fixed-address 10.0.2.92;}
       }
   
  however, in my log file, I am seeing a lot of such information:
  Jan 18 10:07:42 dm1 dhcpd: DHCPINFORM from 10.0.2.158 via eth0
Jan 18 10:07:42 dm1 dhcpd: DHCPACK to 10.0.2.158 
  Jan 18 10:07:42 dm1 dhcpd: DHCPINFORM from 10.0.2.158 via eth0
Jan 18 10:07:42 dm1 dhcpd: DHCPACK to 10.0.2.158 
Jan 18 10:07:42 dm1 dhcpd: DHCPINFORM from 10.0.2.158 via eth0
Jan 18 10:07:42 dm1 dhcpd: DHCPACK to 10.0.2.158 
  Jan 18 10:07:42 dm1 dhcpd: DHCPINFORM from 10.0.2.158 via eth0
Jan 18 10:07:42 dm1 dhcpd: DHCPACK to 10.0.2.158 
Jan 18 10:07:43 dm1 dhcpd: DHCPINFORM from 10.0.2.158 via eth0
Jan 18 10:07:43 dm1 dhcpd: DHCPACK to 10.0.2.158 
  Jan 18 10:07:43 dm1 dhcpd: DHCPINFORM from 10.0.2.158 via eth0
Jan 18 10:07:43 dm1 dhcpd: DHCPACK to 10.0.2.158 
   
  why my dhcp server DHCPACK something it doesn't know about (I mean there is no entry for 10.0.2.158)? why these DHCPINFORM keep coming? thanks!

             
  Luc










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