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Hi Darren,</div>
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<br>
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Thanks. I have this working now! Excellent...</div>
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<br>
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Since each host defines a mac address, and whether it's in short-lease or long-lease, then is this:</div>
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"client-classes": [</div>
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{</div>
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"name": "long-lease",</div>
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"valid-lifetime": 604800</div>
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},</div>
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{</div>
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"name": "short-lease",</div>
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"test": "member('KNOWN') and not member('long-lease')"</div>
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}</div>
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],</div>
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<br>
</div>
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Still needed? </div>
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<br>
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Each reservation includes a mac address and :</div>
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<br>
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"client-classes": [ "long-lease"] or</div>
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<br>
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"client-classes": [ "short-lease"] </div>
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<br>
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Is that not enough to build the client classes for long-lease and short-lease?</div>
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<br>
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The definitions at the top include everyone by default, but I don't want them to include everyone..</div>
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<br>
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Jason.</div>
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<b>From:</b> Kea-users <kea-users-bounces@lists.isc.org> on behalf of Darren Ankney <darren.ankney@gmail.com><br>
<b>Sent:</b> Friday, April 5, 2024 3:31 PM<br>
<b>To:</b> Kea user's list <kea-users@lists.isc.org><br>
<b>Subject:</b> Re: [Kea-users] different lease times</div>
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<div style="font-size: 11pt;">Hi Jason,<br>
<br>
Here you go. Not 100% sure it will work, however. Decided to make<br>
the default lease 300 and set the long lease time in the class that<br>
reserved clients are added to. Also note that I moved the reservation<br>
inside the subnet. This was to avoid any situation where you might<br>
need to use "early-global-reservations-lookup" to make things work<br>
properly.<br>
<br>
{<br>
"Dhcp4": {<br>
"interfaces-config": {<br>
"interfaces": [<br>
"ens256"<br>
]<br>
},<br>
"lease-database": {<br>
"type": "memfile",<br>
"persist": false<br>
},<br>
"calculate-tee-times": true,<br>
"option-data": [<br>
{<br>
"name": "domain-name-servers",<br>
"data": "10.0.0.1"<br>
}<br>
],<br>
<br>
"valid-lifetime": 300,<br>
"subnet4": [<br>
{<br>
"subnet": "10.1.2.0/24",<br>
"id": 1,<br>
"option-data": [<br>
{<br>
"name": "routers",<br>
"data": "10.1.2.1"<br>
}<br>
],<br>
"pools": [<br>
{<br>
"pool": "10.1.2.100-10.1.2.200",<br>
"client-class": "short-lease"<br>
}<br>
],<br>
"reservations": [<br>
{<br>
"hw-address": "00:00:00:11:11:11",<br>
"ip-address": "10.1.2.12",<br>
"client-classes": [<br>
"long-lease"<br>
]<br>
}<br>
]<br>
}<br>
],<br>
"loggers": [<br>
{<br>
"name": "kea-dhcp4",<br>
"severity": "DEBUG",<br>
"debuglevel": 99,<br>
"output_options": [<br>
{<br>
"output": "stdout"<br>
}<br>
]<br>
}<br>
]<br>
}<br>
}<br>
<br>
<br>
Thank you,<br>
Darren Ankney<br>
<br>
On Fri, Apr 5, 2024 at 2:17 PM Jason Keltz <jas@yorku.ca> wrote:<br>
><br>
> Hi Darren,<br>
><br>
> I tries this, but no success. When I restart kea it complains that the class long-lease doesn't exist. You defined short-lease as being known and not in long-lease, but how do you define long-lease?<br>
><br>
> In the actual reservations, I tried both defining client-class of long-lease, and when the failed, I tried client-classes of long-lease, but kea still wants long-lease defined.<br>
><br>
> The format of my configuration with reservations (in "pseudo-code")<br>
><br>
> subnet4--<br>
> define subnet id 1<br>
> define pool for subnet id 1<br>
> include subnet id 1 reservations file - these reservations all define ip-address<br>
><br>
> define subnet id 2<br>
> define pool for subnet id 2<br>
> include subnet id 2 reservations file - these reservations all define ip-address<br>
> ...<br>
><br>
> Include global reservations file (reservations specifying hw-address, hostname, and some option-data for each host) - no ip<br>
><br>
> The goal is: hosts that get an IP from any pool have a shorter lease time, and hosts that have an ip-address reserved for them get a much longer lease time<br>
><br>
> Jason.<br>
><br>
> ________________________________<br>
> From: Kea-users <kea-users-bounces@lists.isc.org> on behalf of Darren Ankney <darren.ankney@gmail.com><br>
> Sent: Friday, April 5, 2024 5:53 AM<br>
> To: Kea user's list <kea-users@lists.isc.org><br>
> Subject: Re: [Kea-users] different lease times<br>
><br>
> Hi Jason,<br>
><br>
> Ahh yes. I failed to remember the goal here. All clients would be in<br>
> that class. I assume you have reservations for these static clients?<br>
> You could, in these reservations add them to another class<br>
> ("long-lease"). Then you could alter the test line in short lease:<br>
><br>
> "test": "member('KNOWN') and not member('long-lease')",<br>
><br>
> I'm not entirely sure that will work. It depends on where your<br>
> reservations are set. You may have to experiment with:<br>
> "early-global-reservations-lookup"<br>
><br>
> FYI, if you'd like to see a change to "valid-lifetime" (such as<br>
> allowing use inside a pool), then you could add a comment indicating<br>
> your support of: <a href="https://gitlab.isc.org/isc-projects/kea/-/issues/953" id="OWA2d2493f8-7649-6434-d422-03fa81abaabe" class="OWAAutoLink" data-auth="NotApplicable" data-loopstyle="linkonly">
https://gitlab.isc.org/isc-projects/kea/-/issues/953</a><br>
> Be sure and describe, in detail, your use case for this change.<br>
><br>
> Thank you,<br>
> Darren Ankney<br>
><br>
> On Thu, Apr 4, 2024 at 12:33 PM Jason Keltz <jas@yorku.ca> wrote:<br>
> ><br>
> > Hi Darren,<br>
> ><br>
> > I tried your suggestion, but unfortunately, it didn't quite work.<br>
> > I modified my kea configuration as you specified. My default<br>
> > valid-lifetime is 4000.<br>
> > In short-lease, I defined valid-lifetime to be 300 (exactly as yours is<br>
> > specified).<br>
> > In the pool used by my test host, I added the client-class for<br>
> > short-lease as you specified.<br>
> > I restarted kea dhcp server to ensure it re-read the configuration.<br>
> > I checked for any existing lease from my test host "jastest", and there<br>
> > was none.<br>
> > I booted...<br>
> > The lease was registered, and was for 300 seconds...<br>
> ><br>
> > [ { "arguments": { "leases": [ { "client-id": "01:ac:24:11:5f:be:b7",<br>
> > "cltt": 1712245568, "fqdn-fwd": false, "fqdn-rev": false, "hostname":<br>
> > "jastest", "hw-address": "ac:24:11:5f:be:b7", "ip-address":<br>
> > "130.63.XX.YY", "state": 0, "subnet-id": 6, "valid-lft": 300 } ] },<br>
> > "result": 0, "text": "1 IPv4 lease(s) found." } ]<br>
> ><br>
> > So good, so far, right?<br>
> ><br>
> > I then assigned my test host an IP, cleared the DHCP lease for it, and<br>
> > booted... the host got the proper IP outside of the pool, but it ALSO<br>
> > had valid-lifetime 300 and not 4000!<br>
> ><br>
> > Is this because:<br>
> ><br>
> > "client-classes": [<br>
> > {<br>
> > "name": "short-lease",<br>
> > "test": "member('KNOWN')",<br>
> > "valid-lifetime": 300<br>
> > }<br>
> > ],<br>
> ><br>
> > ... automatically adds "short-lease" to any member of KNOWN?<br>
> ><br>
> > I just wish that ISC made it so that valid-lifetime could be configured<br>
> > in pool.<br>
> ><br>
> > Jason.<br>
> ><br>
> > On 4/4/24 05:34, Darren Ankney wrote:<br>
> > > Hi Jason,<br>
> > ><br>
> > > Something like this might work:<br>
> > ><br>
> > > "client-classes": [<br>
> > > {<br>
> > > "name": "short-lease",<br>
> > > "test": "member('KNOWN')",<br>
> > > "valid-lifetime": 300<br>
> > > }<br>
> > > ],<br>
> > > ...<br>
> > > "subnet4": [<br>
> > > {<br>
> > > "subnet": "10.1.2.0/24",<br>
> > > "id": 1,<br>
> > > "option-data": [<br>
> > > {<br>
> > > "name": "routers",<br>
> > > "data": "10.1.2.1"<br>
> > > }<br>
> > > ],<br>
> > > "valid-lifetime": 300,<br>
> > > "pools": [<br>
> > > {<br>
> > > "pool": "10.1.2.100-10.1.2.200",<br>
> > > "client-class": [ "short-lease" ]<br>
> > > }<br>
> > > ]<br>
> > > }<br>
> > > ],<br>
> > ><br>
> > > On Wed, Apr 3, 2024 at 10:56 AM Jason Keltz <jas@yorku.ca> wrote:<br>
> > >> Hi Darren,<br>
> > >><br>
> > >> Yes - "lease-lifetime" was my error - I meant "valid-lifetime".<br>
> > >> I understand that I cannot apply "valid-lifetime" to a pool (although I<br>
> > >> feel like I should be able to).<br>
> > >> I already define client-class as "KNOWN" in all my pools so that unknown<br>
> > >> hosts can't get an IP, and I understand that I can't use a second<br>
> > >> client-class of "short-lease" in each pool.<br>
> > >> I looked in the Kea code where options are defined, and thought I would<br>
> > >> be able to add:<br>
> > >><br>
> > >> {<br>
> > >> "name": "dhcp-lease-time",<br>
> > >> "data": "300"<br>
> > >> }<br>
> > >><br>
> > >> ... to "option-data" section for each host, but this didn't work<br>
> > >> either. I see that in the Kea docs, all-options.json skips from code 49<br>
> > >> to code 52, thereby skipping over code 51 which is lease time.<br>
> > >><br>
> > >> I tried adding "code": 51, to the section to my option above, but it<br>
> > >> didn't make any difference.<br>
> > >><br>
> > >> I tried adding "valid-lifetime" to the "reservations" section to see if<br>
> > >> that would work, but it would not.<br>
> > >><br>
> > >> Therefore, I'm still not sure how to implement different lease times for<br>
> > >> pools.<br>
> > >><br>
> > >> Jason.<br>
> > >><br>
> > >> On 4/3/24 06:35, Darren Ankney wrote:<br>
> > >>> Hi Jason,<br>
> > >>><br>
> > >>><br>
> > >>>> would it be valid syntax to also set lease-lifetime in the pool instead of using the class?<br>
> > >>>><br>
> > >>>> "pools": [<br>
> > >>>> {<br>
> > >>>> "pool": "10.1.2.100-10.1.2.200",<br>
> > >>>> "lease-lifetime": "300"<br>
> > >>>> }<br>
> > >>>> ]<br>
> > >>> I cannot find evidence of a parameter called "lease-lifetime" but<br>
> > >>> "valid-lifetime" cannot be set inside a pools [] block.<br>
> > >>><br>
> > >>>> I already assign the pools to "client-class": "KNOWN" - can I specify multiple classes? "client-class": "KNOWN", "short-lease"?<br>
> > >>>> If I use a class to do this, is the "valid-lifetime": 300 inside the subnet definition necesary? It is repeated in both the subnet and the client-class short-lease.<br>
> > >>> The "valid-lifetime" inside the subnet was a mistake. That was a<br>
> > >>> relic of some earlier testing. You cannot specify multiple classes on<br>
> > >>> a client-class line. I don't know if you can have both client-class<br>
> > >>> and client-classes as I've never tried. "client-class" does not do<br>
> > >>> the same thing that "client-classes" does.<br>
> > >>><br>
> > >>> Thank you,<br>
> > >>> Darren Ankney<br>
> > >> --<br>
> > >> ISC funds the development of this software with paid support subscriptions. Contact us at
<a href="https://www.isc.org/contact/" id="OWAfbd9c3d3-2e64-5e8f-164d-f197ddf4b3fa" class="OWAAutoLink" data-auth="NotApplicable" data-loopstyle="linkonly">
https://www.isc.org/contact/</a> for more information.<br>
> > >><br>
> > >> To unsubscribe visit <a href="https://lists.isc.org/mailman/listinfo/kea-users" id="OWAac9de697-8636-4ab6-dbd9-00ff016b37ef" class="OWAAutoLink" data-auth="NotApplicable" data-loopstyle="linkonly">
https://lists.isc.org/mailman/listinfo/kea-users</a>.<br>
> > >><br>
> > >> Kea-users mailing list<br>
> > >> Kea-users@lists.isc.org<br>
> > >> <a href="https://lists.isc.org/mailman/listinfo/kea-users" id="OWA42c54b23-9396-fc5e-0a6a-5563bca92b44" class="OWAAutoLink" data-auth="NotApplicable" data-loopstyle="linkonly">
https://lists.isc.org/mailman/listinfo/kea-users</a><br>
> ><br>
> ><br>
> > --<br>
> > Jason Keltz<br>
> > Computer Development Manager<br>
> > Department of Electrical Engineering and Computer Science<br>
> > York University<br>
> > Toronto, Ontario Canada<br>
> > Tel: (416) 736-2100 x. 33570<br>
> > Fax: (416) 736-5872<br>
> ><br>
> > --<br>
> > ISC funds the development of this software with paid support subscriptions. Contact us at
<a href="https://www.isc.org/contact/" id="OWA99665935-9ef3-d715-abed-b6220b9902fa" class="OWAAutoLink" data-auth="NotApplicable" data-loopstyle="linkonly">
https://www.isc.org/contact/</a> for more information.<br>
> ><br>
> > To unsubscribe visit <a href="https://lists.isc.org/mailman/listinfo/kea-users" id="OWA56b61d10-a891-1a9f-b01a-b4e6472cd59c" class="OWAAutoLink" data-auth="NotApplicable" data-loopstyle="linkonly">
https://lists.isc.org/mailman/listinfo/kea-users</a>.<br>
> ><br>
> > Kea-users mailing list<br>
> > Kea-users@lists.isc.org<br>
> > <a href="https://lists.isc.org/mailman/listinfo/kea-users" id="OWAdc8f0c44-b361-6d65-364d-9e8fb24d6c95" class="OWAAutoLink" data-auth="NotApplicable" data-loopstyle="linkonly">
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> --<br>
> ISC funds the development of this software with paid support subscriptions. Contact us at
<a href="https://www.isc.org/contact/" id="OWA057639f3-610e-9f00-8532-29c9309e1239" class="OWAAutoLink" data-auth="NotApplicable" data-loopstyle="linkonly">
https://www.isc.org/contact/</a> for more information.<br>
><br>
> To unsubscribe visit <a href="https://lists.isc.org/mailman/listinfo/kea-users" id="OWA02128f8c-8c60-3b0a-e4dd-6cd139857058" class="OWAAutoLink" data-auth="NotApplicable" data-loopstyle="linkonly">
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><br>
> Kea-users mailing list<br>
> Kea-users@lists.isc.org<br>
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> ISC funds the development of this software with paid support subscriptions. Contact us at
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