Couple simple leases files I took out from our automated testing are attached. Please be aware that in user context Kea can store quite extensive info in json structure (also attached).

Hope that will help

Wlodek Wencel


On 13/04/2023 16:42, Rachael Wilson wrote:

Thank you, Darren!  I will give perfdhcp a try.


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*From:* Kea-users <kea-users-boun...@lists.isc.org> *On Behalf Of *Darren Ankney
*Sent:* Thursday, April 13, 2023 3:27 AM
*To:* kea-users@lists.isc.org
*Subject:* Re: [Kea-users] Migrate to Kea from non-ISC DHCP server ***EXTERNAL EMAIL***

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Hello Rachael,

There probably isn't an example file anywhere in the documentation (I looked also) or if there is, I just didn't find it.  I would suggest setting up a test kea server with the memfile lease database persisting to a file.  Then use perfdhcp to generate traffic thus populating the file.  If you need specific options to appear in the lease file, it is possible to use perfdhcp to generate most of them (even if you have to create the hex yourself).

Thank you,

Darren Ankney

On Wed, Apr 12, 2023 at 5:19 PM Rachael Wilson <racha...@okpud.org> wrote:

    Hi, I would like to migrate a few thousand DHCP leases from a
    non-ISC DHCP server to a memfile backed Kea instance.  Looking
    through the docs, it seems it would be easier to populate the
    lease file in /var/lib/kea/kea-leases4.csv rather than using
    hooks.  However, in a fresh install the file only contains the
    header row.  Is there an example file populated with rows I could
    look at to properly format the data for import?  Didn’t see
    anything in the docs, but might have missed it.

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address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,state,user_context,hwtype,hwaddr_source
2001:db8:1::50,00:03:00:01:ff:ff:ff:ff:ff:01,4000,1666087048,1,3000,0,14339,128,1,1,a.,ff:ff:ff:ff:ff:01,0,,1,2
address,hwaddr,client_id,valid_lifetime,expire,subnet_id,fqdn_fwd,fqdn_rev,hostname,state,user_context
192.168.50.10,ff:01:02:03:ff:04,,4000,1662464562,1,1,1,aa.four.example.com.,0,
address,duid,valid_lifetime,expire,subnet_id,pref_lifetime,lease_type,iaid,prefix_len,fqdn_fwd,fqdn_rev,hostname,hwaddr,state,user_context,hwtype,hwaddr_source
2001:db8:1::3,00:03:00:01:01:03:0d:04:0b:01,9000000,1682357103,1,8000000,0,1963,128,0,0,,01:03:0d:04:0b:01,0,{ "ISC": { "relay-info": [ { "hop": 0&#x2c "link": "2001:db8:1::1000"&#x2c "options": "0x0012000231350025000A000000000A0027000001"&#x2c "peer": "fe80::800:27ff:fe00:2"&#x2c "remote-id": "000000000A0027000001" } ] } },1,2
2001:db8:1::4,00:03:00:01:01:03:0d:04:0b:01,9000000,1682357103,1,8000000,0,1093,128,0,0,,01:03:0d:04:0b:01,0,{ "ISC": { "relay-info": [ { "hop": 0&#x2c "link": "2001:db8:1::1000"&#x2c "options": "0x0012000231350025000A000000000A0027000001"&#x2c "peer": "fe80::800:27ff:fe00:2"&#x2c "remote-id": "000000000A0027000001" } ] } },1,2
2001:db8:3::1:0:0,00:03:00:01:01:03:0d:04:0b:01,9000000,1682357103,1,8000000,2,54514,96,0,0,,01:03:0d:04:0b:01,0,{ "ISC": { "relay-info": [ { "hop": 0&#x2c "link": "2001:db8:1::1000"&#x2c "options": "0x0012000231350025000A000000000A0027000001"&#x2c "peer": "fe80::800:27ff:fe00:2"&#x2c "remote-id": "000000000A0027000001" } ] } },1,2
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