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Today's Topics:
1. fixed-address leases in dhcpd.leases (Nate Collins)
2. Re: fixed-address leases in dhcpd.leases (Brennan,Andrew)
3. Re: fixed-address leases in dhcpd.leases (Bob Harold)
4. Re: fixed-address leases in dhcpd.leases (perl-list)
5. Re: fixed-address leases in dhcpd.leases (Simon Hobson)
----------------------------------------------------------------------
Message: 1
Date: Fri, 27 Mar 2020 13:35:36 -0500 (CDT)
From: Nate Collins <ncoll...@xes-inc.com>
To: dhcp-users <dhcp-users@lists.isc.org>
Subject: fixed-address leases in dhcpd.leases
Message-ID:
<1285068074.326424.1585334135999.javamail.zim...@xes-inc.com>
Content-Type: text/plain; charset=utf-8
Hello,
Is there a setting that controls whether or not fixed-address leases
in dhcpd.conf will get added to the dhcpd.leases file? We have a
use-case where we would like them to be, and they aren't on 4.3.3 (or
we unknowingly have a setting preventing them from getting added). I
took a look through the various manpages and didn't see anything relevant.
Thanks, Nate
------------------------------
Message: 2
Date: Fri, 27 Mar 2020 18:46:44 +0000
From: "Brennan,Andrew" <andrew.bren...@drexel.edu>
To: Users of ISC DHCP <dhcp-users@lists.isc.org>
Subject: Re: fixed-address leases in dhcpd.leases
Message-ID: <6f84d8b3-6a75-43d8-a53e-48ca1e13f...@drexel.edu>
Content-Type: text/plain; charset="utf-8"
I have wanted this for years - that lease entry would let me know whether or
not the machine is still configured to acquire it?s address via DHCP or if the
enduser has taken it upon themselves to manually configure the host. If this
ends up as a feature request, I?m +1 here.
andrew.
> On Mar 27, 2020, at 2:35 PM, Nate Collins <ncoll...@xes-inc.com> wrote:
>
> External.
>
> Hello,
>
> Is there a setting that controls whether or not fixed-address leases
> in dhcpd.conf will get added to the dhcpd.leases file? We have a
> use-case where we would like them to be, and they aren't on 4.3.3 (or
> we unknowingly have a setting preventing them from getting added). I
> took a look through the various manpages and didn't see anything relevant.
>
> Thanks, Nate
> _______________________________________________
> dhcp-users mailing list
> dhcp-users@lists.isc.org
> https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.isc.org%2Fmailman%2Flistinfo%2Fdhcp-users&data=02%7C01%7Candrew.brennan%40drexel.edu%7C9eed272971b14d28164408d7d27da854%7C3664e6fa47bd45a696708c4f080f8ca6%7C0%7C1%7C637209309455287580&sdata=3gXa4%2Bv5UEPNsi258bRY2z20UNcCFUB7JNA9fkALQTU%3D&reserved=0
------------------------------
Message: 3
Date: Fri, 27 Mar 2020 15:20:57 -0400
From: Bob Harold <rharo...@umich.edu>
To: Users of ISC DHCP <dhcp-users@lists.isc.org>
Subject: Re: fixed-address leases in dhcpd.leases
Message-ID:
<CA+nkc8AMuF5Y1xYVYijyme=r5a3q0dc0-7xla45uo6h6+9d...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
+1
I want to know when it last renewed its lease - recently, years ago, or
never.
--
Bob Harold
On Fri, Mar 27, 2020 at 2:46 PM Brennan,Andrew <andrew.bren...@drexel.edu>
wrote:
> I have wanted this for years - that lease entry would let me know whether
> or not the machine is still configured to acquire it?s address via DHCP or
> if the enduser has taken it upon themselves to manually configure the
> host. If this ends up as a feature request, I?m +1 here.
>
> andrew.
>
> > On Mar 27, 2020, at 2:35 PM, Nate Collins <ncoll...@xes-inc.com> wrote:
> >
> > External.
> >
> > Hello,
> >
> > Is there a setting that controls whether or not fixed-address leases
> > in dhcpd.conf will get added to the dhcpd.leases file? We have a
> > use-case where we would like them to be, and they aren't on 4.3.3 (or
> > we unknowingly have a setting preventing them from getting added). I
> > took a look through the various manpages and didn't see anything
> relevant.
> >
> > Thanks, Nate
> > _______________________________________________
> > dhcp-users mailing list
> > dhcp-users@lists.isc.org
> >
> https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.isc.org%2Fmailman%2Flistinfo%2Fdhcp-users&data=02%7C01%7Candrew.brennan%40drexel.edu%7C9eed272971b14d28164408d7d27da854%7C3664e6fa47bd45a696708c4f080f8ca6%7C0%7C1%7C637209309455287580&sdata=3gXa4%2Bv5UEPNsi258bRY2z20UNcCFUB7JNA9fkALQTU%3D&reserved=0
>
> _______________________________________________
> dhcp-users mailing list
> dhcp-users@lists.isc.org
> https://lists.isc.org/mailman/listinfo/dhcp-users
>
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Message: 4
Date: Fri, 27 Mar 2020 15:33:12 -0400 (EDT)
From: perl-list <perl-l...@network1.net>
To: Users of ISC DHCP <dhcp-users@lists.isc.org>
Subject: Re: fixed-address leases in dhcpd.leases
Message-ID:
<241187419.1590760.1585337592887.javamail.zim...@network1.net>
Content-Type: text/plain; charset=utf-8
Also would like to see this though I think it unlikely to make an appearance at
this point.
----- Original Message -----
> From: "Bob Harold" <rharo...@umich.edu>
> To: "Users of ISC DHCP" <dhcp-users@lists.isc.org>
> Sent: Friday, March 27, 2020 3:20:57 PM
> Subject: Re: fixed-address leases in dhcpd.leases
> +1
> I want to know when it last renewed its lease - recently, years ago, or never.
> --
> Bob Harold
> On Fri, Mar 27, 2020 at 2:46 PM Brennan,Andrew < [
> mailto:andrew.bren...@drexel.edu | andrew.bren...@drexel.edu ] > wrote:
>> I have wanted this for years - that lease entry would let me know whether or
>> not
>> the machine is still configured to acquire it?s address via DHCP or if the
>> enduser has taken it upon themselves to manually configure the host. If this
>> ends up as a feature request, I?m +1 here.
>> andrew.
>>> On Mar 27, 2020, at 2:35 PM, Nate Collins < [ mailto:ncoll...@xes-inc.com |
>> > ncoll...@xes-inc.com ] > wrote:
>> > External.
>> > Hello,
>> > Is there a setting that controls whether or not fixed-address leases
>> > in dhcpd.conf will get added to the dhcpd.leases file? We have a
>> > use-case where we would like them to be, and they aren't on 4.3.3 (or
>> > we unknowingly have a setting preventing them from getting added). I
>> > took a look through the various manpages and didn't see anything relevant.
>> > Thanks, Nate
>> > _______________________________________________
>> > dhcp-users mailing list
>> > [ mailto:dhcp-users@lists.isc.org | dhcp-users@lists.isc.org ]
>>> [
>>> https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.isc.org%2Fmailman%2Flistinfo%2Fdhcp-users&data=02%7C01%7Candrew.brennan%40drexel.edu%7C9eed272971b14d28164408d7d27da854%7C3664e6fa47bd45a696708c4f080f8ca6%7C0%7C1%7C637209309455287580&sdata=3gXa4%2Bv5UEPNsi258bRY2z20UNcCFUB7JNA9fkALQTU%3D&reserved=0
>>> |
>>> https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.isc.org%2Fmailman%2Flistinfo%2Fdhcp-users&data=02%7C01%7Candrew.brennan%40drexel.edu%7C9eed272971b14d28164408d7d27da854%7C3664e6fa47bd45a696708c4f080f8ca6%7C0%7C1%7C637209309455287580&sdata=3gXa4%2Bv5UEPNsi258bRY2z20UNcCFUB7JNA9fkALQTU%3D&reserved=0
>> > ]
>> _______________________________________________
>> dhcp-users mailing list
>> [ mailto:dhcp-users@lists.isc.org | dhcp-users@lists.isc.org ]
>> [ https://lists.isc.org/mailman/listinfo/dhcp-users |
>> https://lists.isc.org/mailman/listinfo/dhcp-users ]
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------------------------------
Message: 5
Date: Fri, 27 Mar 2020 21:42:38 +0000
From: Simon Hobson <dh...@thehobsons.co.uk>
To: Users of ISC DHCP <dhcp-users@lists.isc.org>
Subject: Re: fixed-address leases in dhcpd.leases
Message-ID: <99b78277-74e8-4b1d-a118-36f3c0b76...@thehobsons.co.uk>
Content-Type: text/plain; charset=utf-8
Nate Collins <ncoll...@xes-inc.com> wrote:
>Is there a setting that controls whether or not fixed-address leases
>in dhcpd.conf will get added to the dhcpd.leases file?
No, they aren't and never have been.
What you can do is use a reserved lease. Once reserved, the lease will never
get re-allocated to another client and acts very much like a host entry with
fixed address. But, unlike the fixed-address statement, a reserved lease goes
through the normal lifecycle so you can see it's state in the leases file.
Simon
------------------------------
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