From: Rebecca Irvin (rirvin@mail.lesley.edu)
Date: Mon Oct 21 2002 - 10:00:04 CDT
Thank you Mike!
I do have ignore bootp and authoritative in there (noticed those nasties
during testing).
I'll give this a shot today. Since the MAC in question is on a subnetted
network with extremely limited IPs, every one counts!
Rebecca Irvin
Lesley University
Network Technitian
At 09:39 AM 10/21/02 -0400, you wrote:
>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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