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dhcp config

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Mael G. 2024-03-26 15:52:28 +01:00
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rt-mep/kea-dhcp4.conf Normal file
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// /etc/kea/kea-dhcp4.conf
// sudo systemctl restart kea-dhcp4-server
{
"Dhcp4": {
"interfaces-config": {
"interfaces": [ "eth1/10.100.2.1" ]
// "dhcp-socket-type": "udp"
},
"control-socket": {
"socket-type": "unix",
"socket-name": "/tmp/kea4-ctrl-socket"
},
"lease-database": {
// Memfile is the simplest and easiest backend to use. It's an in-memory
// C++ database that stores its state in CSV file.
"type": "memfile",
"lfc-interval": 3600
},
"expired-leases-processing": {
"reclaim-timer-wait-time": 10,
"flush-reclaimed-timer-wait-time": 25,
"hold-reclaimed-time": 3600,
"max-reclaim-leases": 100,
"max-reclaim-time": 250,
"unwarned-reclaim-cycles": 5
},
"renew-timer": 900,
"rebind-timer": 1800,
"valid-lifetime": 3600,
"option-data": [
{
"name": "domain-name-servers",
"data": "10.100.2.1, 1.1.1.1"
},
// "name": "domain-name" or "code": 15.
{
"code": 15,
"data": "enpls.org"
},
{
"name": "domain-search",
"data": "nl.x9.pm"
}
],
"subnet4": [
{
"subnet": "10.100.2.0/24",
"pools": [ { "pool": "10.100.2.100 - 10.100.2.200" } ],
"option-data": [
{
"name": "routers",
"data": "10.100.2.1"
}
],
// Kea offers host reservations mechanism. Kea supports reservations
// by several different types of identifiers: hw-address
// (hardware/MAC address of the client), duid (DUID inserted by the
// client), client-id (client identifier inserted by the client) and
// circuit-id (circuit identifier inserted by the relay agent).
//
// Kea also support flexible identifier (flex-id), which lets you
// specify an expression that is evaluated for each incoming packet.
// Resulting value is then used for as an identifier.
//
// Note that reservations are subnet-specific in Kea. This is
// different than ISC DHCP. Keep that in mind when migrating
// your configurations.
"reservations": [
// You can add more reservations here.
]
// You can add more subnets there.
}
],
// There are many, many more parameters that DHCPv4 server is able to use.
// They were not added here to not overwhelm people with too much
// information at once.
// Logging configuration starts here. Kea uses different loggers to log various
// activities. For details (e.g. names of loggers), see Chapter 18.
"loggers": [
{
// This section affects kea-dhcp4, which is the base logger for DHCPv4
// component. It tells DHCPv4 server to write all log messages (on
// severity INFO or more) to a file.
"name": "kea-dhcp4",
"output_options": [
{
// Specifies the output file. There are several special values
// supported:
// - stdout (prints on standard output)
// - stderr (prints on standard error)
// - syslog (logs to syslog)
// - syslog:name (logs to syslog using specified name)
// Any other value is considered a name of the file
"output": "/var/log/kea-dhcp4.log"
// Shorter log pattern suitable for use with systemd,
// avoids redundant information
// "pattern": "%-5p %m\n"
// This governs whether the log output is flushed to disk after
// every write.
// "flush": false,
// This specifies the maximum size of the file before it is
// rotated.
// "maxsize": 1048576,
// This specifies the maximum number of rotated files to keep.
// "maxver": 8
}
],
// This specifies the severity of log messages to keep. Supported values
// are: FATAL, ERROR, WARN, INFO, DEBUG
"severity": "INFO",
// If DEBUG level is specified, this value is used. 0 is least verbose,
// 99 is most verbose. Be cautious, Kea can generate lots and lots
// of logs if told to do so.
"debuglevel": 0
}
]
}
}