dhcpd leases: abandonded

Jeff Stettenbenz jeff.stettenbenz at cinergymetronet.com
Wed Apr 28 22:10:16 UTC 2010


I have an issue where:

-client A declines its lease
-client A discovers for a new IP 
-dhcpd marks client A's lease as abandoned
-client A request/offer/ACK's
-client B dhcpdiscover
-dhcpd offers client A's IP address
-client B starts a 4 hour DHCPDISCOVER/DHCPOFFER loop


Is there a way to increase the amount of time that an abandoned IP address is set as "abandoned"? 
Should 'deny declines;' be used in this case?

Apr 28 05:11:40 -dhcp-01 dhcpd: DHCPACK on 192.168.194.20 to 00:00:00:aa:bb:cc via 192.168.194.1
Apr 28 05:11:41 -dhcp-01 dhcpd: Abandoning IP address 192.168.194.20: declined.
Apr 28 05:11:41 -dhcp-01 dhcpd: DHCPDECLINE of 192.168.194.20 from 00:00:00:aa:bb:cc via 192.168.194.1: not found
Apr 28 05:11:51 -dhcp-01 dhcpd: DHCPDISCOVER from 00:00:00:aa:bb:ccvia 192.168.194.1
Apr 28 05:11:52 -dhcp-01 dhcpd: DHCPOFFER on 192.168.194.30 to 00:00:00:aa:bb:cc via 192.168.194.1
Apr 28 05:11:52 -dhcp-01 dhcpd: DHCPREQUEST for 192.168.194.30 from 00:00:00:aa:bb:cc via 192.168.194.1
Apr 28 05:11:52 -dhcp-01 dhcpd: DHCPACK on 192.168.194.30 to 00:00:00:aa:bb:cc via 192.168.194.1
Apr 28 05:13:42 -dhcp-01 dhcpd: Reclaiming abandoned IP address 192.168.194.20.
Apr 28 05:13:42 -dhcp-01 dhcpd: DHCPDISCOVER from 00:00:00:zz:yy:xx  via 192.168.194.1
Apr 28 05:13:43 -dhcp-01 dhcpd: DHCPOFFER on 192.168.194.20 to 00:00:00:zz:yy:xx  via 192.168.194.1
Apr 28 05:13:43 -dhcp-01 dhcpd: DHCPDISCOVER from 00:00:00:zz:yy:xx  via 192.168.194.1
Apr 28 05:13:43 -dhcp-01 dhcpd: DHCPOFFER on 192.168.194.20 to 00:00:00:zz:yy:xx  via 192.168.194.1
Apr 28 05:13:45 -dhcp-01 dhcpd: DHCPDISCOVER from 00:00:00:zz:yy:xx  via 192.168.194.1

. 
.
Apr 28 09:39:18 metronet-dhcp-01 dhcpd: DHCPDISCOVER from 00:00:00:zz:yy:xx  via 192.168.194.1
Apr 28 09:39:19 metronet-dhcp-01 dhcpd: DHCPOFFER on 192.168.194.20  to 00:00:00:zz:yy:xx  via 192.168.194.1
Apr 28 09:39:20 metronet-dhcp-01 dhcpd: DHCPREQUEST for 192.168.194.20  from 00:00:00:zz:yy:xx  via 192.168.194.1
Apr 28 09:39:20 metronet-dhcp-01 dhcpd: DHCPACK on 192.168.194.20  to 00:00:00:zz:yy:xx  via 192.168.194.1




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