[Kea-users] Some duplicates leases on my Lease File
Marcos Renato da Silva Junior
marcos.silva at unesp.br
Fri Jan 6 14:04:27 UTC 2023
Context, I was only using one subnet. No duplication. I added two more
subnets and configured shared network and the duplication only happens
in these two subnets. I'm using high availability (load-balancing), and
lease-update is ok. One lease per update. I noticed that some leases
have a dot after hostname. (sltecpc3. / sltecpc4 ) *server1#*
/var/lib/kea/kea-leases4.csv.2
192.168.2.151,00:e1:4c:11:01:d6,,86400,1673091914,2,0,0,sltecpc3.,0,
*server1#* /var/lib/kea/kea-leases4.csv
192.168.2.151,00:e1:4c:11:01:d6,,86400,1673096386,2,0,0,administrator.,0,
192.168.2.151,00:e1:4c:11:01:d6,,86400,1673096386,2,0,0,sltecpc3.,0,
*server2#* /var/lib/kea/kea-leases4.csv.2
192.168.2.151,00:e1:4c:11:01:d6,,86400,1673091914,2,0,0,sltecpc3.,0,
*server2#* /var/lib/kea/kea-leases4.csv
192.168.2.151,00:e1:4c:11:01:d6,,86400,1673096386,2,0,0,sltecpc3.,0,
**server2#* */etc/kea/kea-dhcp4.conf
{
"Dhcp4": {
"interfaces-config": {
"interfaces": [ "eth0" ]
},
"control-socket": {
"socket-type": "unix",
"socket-name": "/tmp/kea4-ctrl-socket"
},
"lease-database": {
"type": "memfile",
"lfc-interval": 3600
},
"expired-leases-processing": {
"reclaim-timer-wait-time": 3600,
"flush-reclaimed-timer-wait-time": 25,
"hold-reclaimed-time": 172800,
"max-reclaim-leases": 100,
"max-reclaim-time": 250,
"unwarned-reclaim-cycles": 5
},
"renew-timer": 43200,
"rebind-timer": 64800,
"valid-lifetime": 86400,
"hooks-libraries": [
{
"library": "/usr/lib/x86_64-linux-gnu/kea/hooks/libdhcp_lease_cmds.so",
"parameters": { }
},
{
"library": "/usr/lib/x86_64-linux-gnu/kea/hooks/libdhcp_ha.so",
"parameters": {
"high-availability": [ {
"this-server-name": "server2",
"trust-anchor": "/usr/lib/x86_64-linux-gnu/kea/kea-ca.crt",
"cert-file": "/usr/lib/x86_64-linux-gnu/kea/kea-client.crt",
"key-file": "/usr/lib/x86_64-linux-gnu/kea/kea-client.key",
"mode": "load-balancing",
"heartbeat-delay": 10000,
"max-response-delay": 60000,
"max-ack-delay": 5000,
"max-unacked-clients": 0,
"sync-timeout": 60000,
"delayed-updates-limit": 100,
"peers": [
{
"name": "server1",
"url":"http://server1:8000/",
"role": "primary",
"auto-failover": true
},
{
"name": "server2",
"url":"http://server2:8000/",
"role": "secondary",
"auto-failover": true
}
]
} ]
}
}
],
"host-reservation-identifiers": [ "hw-address" ],
"match-client-id": false,
"shared-networks": [
{
"name": "vlan-2",
"subnet4": [
{
"subnet": "192.168.1.0/24",
"interface": "eth0",
"reservations-global": false,
"reservations-in-subnet": true,
"reservations-out-of-pool": true,
"option-data": [
{
"name": "routers",
"data": "192.168.1.10"
},
{
"name": "domain-name-servers",
"data": "192.168.1.17, 192.168.1.18"
},
{
"name": "domain-name",
"data": "domain"
},
{
"name": "domain-search",
"data": "domain",
"always-send": true
}
],
"reservations": [
{ "hostname": "sl1pc", "hw-address": "00:00:00:00:00:00", "ip-address": "192.168.1.2" }
]
},
{
*"subnet": "192.168.2.0/24",*
"interface": "eth0",
"reservations-global": false,
"reservations-in-subnet": true,
"reservations-out-of-pool": true,
"option-data": [
{
"name": "routers",
"data": "192.168.2.10"
},
{
"name": "domain-name-servers",
"data": "192.168.1.17, 192.168.1.18"
},
{
"name": "domain-name",
"data": "domain"
},
{
"name": "domain-search",
"data": "domain",
"always-send": true
}
],
"reservations": [
*{ "hostname": "sltecpc3", "hw-address": "00:e1:4c:11:01:d6",
"ip-address": "192.168.2.151" }*
]
},
{
*"subnet": "192.168.3.0/24",*
"interface": "eth0",
"reservations-global": false,
"reservations-in-subnet": true,
"reservations-out-of-pool": true,
"option-data": [
{
"name": "routers",
"data": "192.168.3.10"
},
{
"name": "domain-name-servers",
"data": "192.168.1.17, 192.168.1.18"
},
{
"name": "domain-name",
"data": "domain"
},
{
"name": "domain-search",
"data": "domain",
"always-send": true
}
],
"reservations": [
{ "hostname": "sl2nb", "hw-address": "00:00:00:00:00:00", "ip-address": "192.168.3.2" }
]
}
]
}
],
"loggers": [
{
"name": "kea-dhcp4",
"output_options": [
{
"output": "/var/log/kea/kea-dhcp4.log",
"maxsize": 10240000,
"maxver": 4
}
],
"severity": "INFO",
"debuglevel": 0
}
]
}
}
Em 05/01/2023 21:41, Darren Ankney escreveu:
> can you share any relevant configurations involving an example device that is exhibiting this behavior?
>
>> On Jan 5, 2023, at 4:15 PM, Marcos Renato da Silva Junior<marcos.silva at unesp.br> wrote:
>>
>> Hi,
>>
>> I seeing some duplicates leases on my Lease File (kea-leases4.csv), apparently one with device hostname and other with dhcp hostname. After LFC the Previous Lease File (kea-leases4.csv.2) seems ok. Its normal?
>>
>> /var/lib/kea/kea-leases4.csv
>>
>> 192.168.0.100,00:00:00:00:00:00,,86400,1673038783,3,0,0,device-hostname.,0,
>> 192.168.0.100,00:00:00:00:00:00,,86400,1673038783,3,0,0,dhcp-hostname.,0,
>>
>> --
>> Marcos Renato da Silva Junior
>> Universidade Estadual Paulista - Unesp
>> Faculdade de Engenharia de Ilha Solteira - FEIS
>> Departamento de Engenharia Elétrica - DEE
>> 15385-000 - Ilha Solteira/SP
>> (18) 3743-1164
>>
>> --
>> ISC funds the development of this software with paid support subscriptions. Contact us athttps://www.isc.org/contact/ for more information.
>>
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--
Marcos Renato da Silva Junior
Universidade Estadual Paulista - Unesp
Faculdade de Engenharia de Ilha Solteira - FEIS
Departamento de Engenharia Elétrica - DEE
15385-000 - Ilha Solteira/SP
(18) 3743-1164
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