From: Daxter Gulje (dgulje@housing.ucsb.edu)
Date: Mon Oct 21 2002 - 11:58:34 CDT
Just so I'm clear on the
one-lease-per-client true;
line, that won't interfere with the thousands of transactions going on during a busy move-in week, right? That is to say, there won't be a conflict when a client has a 10.x.x.x and request a valid, routable address?
Thanks for any info...
/Dax
__________________________________________
Daxter Gulje
Assistant ResNet Coordinator
University of California, Santa Barbara
805.893.4747
-----Original Message-----
From: King, Michael [mailto:MKing@bridgew.edu]
Sent: Monday, October 21, 2002 6:39 AM
To: 'netreg@southwestern.edu'
Subject: RE: NetReg: more than 1 IP for the same ethernet address???
Rebecca,
You might want to add this line:
one-lease-per-client true;
To the beginning of your dhcpd file. If you don't have it, I would also
suggest:
ignore bootp;
authoritative; # It's always right
One-lease-per-client is a little misleading. What it does is when a client
requests an IP, and the server notices that it already has an IP address, it
releases the other IP address, making it free for someone else to grab it.
I suggest ignoring bootp, cause those addresses never expire, and unless you
have a specific need for it, you won't really need to support it. And of
course, your machine should be authoritative for everything.
I wish I could help with the problem, but this should help with the
symptoms. (Kind of like aspirin)
Mike
-----Original Message-----
From: Rebecca Irvin [mailto:rirvin@mail.lesley.edu]
Sent: Monday, October 21, 2002 10:15 AM
To: netreg@southwestern.edu
Subject: Re: NetReg: more than 1 IP for the same ethernet address???
No, it's 00:40:CA:2E:00:D9. Have you run into this before?
I'm stumped!
Rebecca Irvin
Lesley University
Network Technitian
At 04:01 PM 10/18/02 -0500, you wrote:
>The MAC isn't by chance 02:03:8A:00:00:11 is it?
>
>Rebecca Irvin wrote:
>>Hey all,
>>I've come across a rather odd problem today.
>>I looked up a student's registration in netreg. Then I clicked the L
>>button and looked at her leases, and blinked when I saw that she had not
>>1, but 3 valid and current IP leases for her machine!
>>I checked the machine's logs, and sure enough, that MAC address had
>>continued discovering after receiving the first lease, and received more
>>valid leases. This continued until it actually bottomed out on that
network.
>>Has anyone ever seen anything like this?
>>I'm running Red Hat 7.2 with the basic installation of NetReg
>>Any advice would be apreciated!
>>Rebecca Irvin
>>Network Technitian
>>Lesley University
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>
>
>--
>Peter Valian
>Network & Systems Administrator
>Southwestern University
>Georgetown, Texas
>512.863.1586 office
>512.863.1605 fax
>--
>
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