lease renewal activity
Jim Glassford
jmglass at iup.edu
Thu Mar 29 17:07:43 UTC 2012
Hi,
If you have a large wireless infrastructure, the laptop may have moved
between access points and was not seeing the dhcp server replies. The
DHCPDISCOVER got it going again. (guessing but maybe logs on the
wireless side could show something related to why it changed on the
Requests)
(wild guess but was personally burned by this)
<http://listserv.educause.edu/cgi-bin/wa.exe?A2=ind1009&L=WIRELESS-LAN&P=R6574&m=6280>
"Older Atheros drivers, for the AR5000 series chipsets, do not properly
connect to access points with a high octet MAC addresses (not beginning
with the traditional 0.)"
Clients working fine but move to another access point close by for some
reason, load/signal/RRM, and if new access point had high octet MAC
address, no longer could renew IP address. :-(
jim
On 3/29/2012 12:02 PM, Jamie Savage wrote:
> 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 1P3Canada
>
> T: 416.736.2100 x22605 | F: 416.736.5830 | jsavage at yorku.ca |
> <http://www.yorku.ca/>_www.yorku.ca_ <http://www.yorku.ca/>
> _
> _<http://helpdesk.apps01.yorku.ca/2009/11/november-20-2009-new-fraudulent-email-do-not-respond/>_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._ <http://www.yorku.ca/>
>
>
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