lease renewal activity

Jamie Savage jsavage at yorku.ca
Thu Mar 29 16:02:18 UTC 2012


Hi,
     I'm hoping someone can answer this question ('cause I don't have an 
explanation).   I turned on a laptop working wirelessly and monitored the 
DHCP activity below......we have 10 minute leases. 

Discover, Offer, Request Ack....life is good.  Subsequent requests at the 
5 minute half-life.......again...all is well......until 10:22 where the 
requests are no longer 5 minutes apart and then a discover is initiated at 
10.24 and then the 5 minute half-life requests start again.

This laptop was just sitting there....I didn't touch it so I have no 
explanation of what happened beginning at 10:22 and why a discover was 
sent out again.

.........any suggestions are greatly 
appreciated........thx...............J 


Mar 29 09:59:53 airmarshal07.ac.yorku.ca dhcpd: DHCPDISCOVER from 
00:1f:3a:43:df:a1 via eth1
Mar 29 09:59:54 airmarshal07.ac.yorku.ca dhcpd: DHCPOFFER on 
130.63.198.152 to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 09:59:54 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 (130.63.198.1) from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via 
eth1
Mar 29 09:59:54 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:04:53 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:04:53 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:09:53 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:09:53 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:14:53 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:14:53 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:19:53 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:19:53 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:22:34 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:22:34 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:22:37 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:22:37 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:22:44 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:22:44 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:22:54 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:22:54 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:22:59 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:22:59 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:23:04 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:23:04 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:23:09 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:23:09 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:24:14 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:24:14 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:24:18 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:24:18 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:24:26 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:24:26 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:24:46 airmarshal07.ac.yorku.ca dhcpd: DHCPDISCOVER from 
00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:24:46 airmarshal07.ac.yorku.ca dhcpd: DHCPOFFER on 
130.63.198.152 to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:24:46 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 (130.63.198.1) from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via 
eth1
Mar 29 10:24:46 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:24:51 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 (130.63.198.1) from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via 
eth1
Mar 29 10:24:51 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:29:59 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:29:59 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:34:59 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:34:59 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:39:59 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:39:59 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:44:59 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:44:59 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:49:59 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:49:59 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:54:59 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:54:59 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:59:59 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 10:59:59 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:04:59 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:04:59 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:09:59 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:09:59 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:15:00 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:15:00 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:20:00 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:20:00 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:25:00 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:25:00 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:30:00 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:30:00 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:35:00 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:35:00 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:40:00 airmarshal07.ac.yorku.ca dhcpd: DHCPREQUEST for 
130.63.198.152 from 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
Mar 29 11:40:00 airmarshal07.ac.yorku.ca dhcpd: DHCPACK on 130.63.198.152 
to 00:1f:3a:43:df:a1 (york-daf0b4cf0b) via eth1
 
Jamie Savage  |  Senior Communications Technician  |  University 
Information Technology 
010 Steacie Science Building  |  York University  |  4700 Keele St. , 
 Toronto ON  M3J 1P3 Canada 
T: 416.736.2100 x22605  |  F: 416.736.5830  |  jsavage at yorku.ca  |  
www.yorku.ca 

York UIT will NEVER send unsolicited requests for passwords or other 
personal information via email.  Messages requesting such information are 
fraudulent and should be deleted. 
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.isc.org/pipermail/dhcp-users/attachments/20120329/2d5f9b13/attachment.html>


More information about the dhcp-users mailing list