Kea DHCP : Configure Host Reservations2025/03/12 |
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If you want to assign a specific IP address or host name to a specific host, configure it like follows. |
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| [1] | Configure Kea DHCP. This example shows only IPv4. |
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[root@dlp ~]#
vi /etc/kea/kea-dhcp4.conf
"subnet4": [
{
"id": 1,
"subnet": "10.0.0.0/24",
"pools": [ { "pool": "10.0.0.200 - 10.0.0.254" } ],
"option-data": [
{
"name": "routers",
"data": "10.0.0.1"
}
],
# add [reservations] section
"reservations": [
{
# host with the specified MAC address is assigned the specified IP
"hw-address": "00:0c:29:e5:f5:43",
"ip-address": "10.0.0.201"
},
{
# host with the specified client-id is assigned the specified IP and Hostname
# * to show client-id on client host
# - nmcli c show enp1s0 | grep dhcp-client-id
# * to set client-id on client host
# - nmcli c mod enp1s0 ipv4.dhcp-client-id (client id)
"client-id": "01:52:54:00:9d:05:35",
"ip-address": "10.0.0.202",
"hostname": "centos10"
},
{
# host with the specified client-id is assigned the specified IP and DNS reference
"client-id": "01:52:54:00:3c:1c:70",
"ip-address": "10.0.0.203",
"option-data": [ {
"name": "domain-name-servers",
"data": "10.0.0.11"
} ]
},
]
.....
.....
[root@dlp ~]# systemctl reload kea-dhcp4 |
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