Kea
Kea är den nya DHCPv4/DHCPv6-servern från ISC och är en ersättare för ISC DHCP. Målet är att skapa en dhcp server med hög performance och utbyggbar med extensions för enterprises eller service providers.
Features
- Fullt fungerande DHCPv4, DHCPv6 och Dynamic DNS server.
- OpenSSL support.
- Leases finns sparat i CSV fil, MySQL eller Postgres.
- On-Line configuration.
- Statistics
- API
Installation
apt-get install build-essential libssl-dev libboost-dev libboost-system-dev make liblog4cplus-dev
wgethttp://ftp.isc.org/isc/kea/1.0.0/kea-1.0.0.tar.gz&& tar -xvf kea-1.0.0.tar.gz
cd kea-1.0.0
./configure --prefix=/
make
make install
Ubuntu
sudo apt-get install kea-dhcp4-server
Fedora
dnf install kea
Konfiguration
Görs i filen /etc/kea/kea.conf. En lista på DHCP options finns bland
kea's egna
dokumentation.
# Kea DHCP conf by Hackernet.se
{
# DHCPv4 configuration starts in this line
"Dhcp4": {
# Global values
"valid-lifetime": 4000,
"renew-timer": 1000,
"rebind-timer": 2000,
# Next we setup the interfaces to be used by the server.
"interfaces-config": {
"interfaces": [ "eth0" ]
},
# And we specify the type of lease database
"lease-database": {
"type": "memfile",
"persist": true,
"name": "/var/kea/dhcp4.leases"
},
# Global options
"option-data": [
{
"name": "domain-name-servers",
"data": "192.168.1.10, 10.240.100.100"
},
{
"name": "tftp-server-name",
"data": "192.168.1.200"
},
{
"code": 67,
"data": "pxelinux.0"
},
],
#Some clients use siaddr field in the DHCPv4 packet, therefore use following command.
"next-server": "192.168.1.200",
# List subnets where we will be leasing addresses.
"subnet4": [
{
"subnet": "10.240.100.0/24",
"pools": [ { "pool": "10.240.100.20 - 10.240.100.100" } ],
"option-data": [
{
"name": "routers",
"data": "10.240.100.1"
},
{
"code": 15,
"data": "hackernet.se"
},
]
}
]
# DHCPv4 configuration ends with this line
},
"Logging": {
"loggers": [
{
"name": "kea-dhcp4",
"output_options": [
{
"output": "/var/log/kea4.log",
"maxsize": 20480
}
],
"severity": "INFO",
},
]
}
}
Verify
systemctl status kea-dhcp4-server.service
cat /var/kea/dhcp4.leases