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// This is an example configuration file for DHCPv6 server in Kea.
// It's a basic scenario with three IPv6 subnets use different
// methods for determining T1 and T2 values.
{ "Dhcp6":
{
// Kea is told to listen on eth0 interface only.
"interfaces-config": {
"interfaces": [ "eth0" ]
},
// We need to specify the database used to store leases. As of
// June 2022, three database backends are supported: MySQL,
// PostgreSQL and the in-memory database, Memfile.
// We'll use memfile because it doesn't require any prior set up.
"lease-database": {
"type": "memfile"
},
// Addresses will be assigned with preferred and valid lifetimes
// being 3000 and 4000, respectively. By default calculate-tee-times
// is true with values of .5 and .8 for t1-percent and t2-percent
// respectively. Since some of our subnets will use calculated values and
// we must NOT specify global values for renew-timer and rebind-timer.
"preferred-lifetime": 3000,
"valid-lifetime": 4000,
// The following list defines subnets. Each subnet consists of at
// least subnet and pool entries.
"subnet6": [
{
// This subnet use default calculation
"id": 1,
"subnet": "2001:db8:1::/64",
"pools": [ { "pool": "2001:db8:1::/80" } ]
},
{
// This subnet will use explicit values. Explicit
// values override calculation.
"id": 2,
"subnet": "2001:db8:2::/64",
"pools": [ { "pool": "2001:db8:2::/80" } ],
"renew-timer": 1000,
"rebind-timer": 2000
},
{
// This subnet will use custom percents
"id": 3,
"subnet": "2001:db8:3::/64",
"pools": [ { "pool": "2001:db8:3::/80" } ],
"t1-percent": .45,
"t2-percent": .7
}],
// The following configures logging. It assumes that messages with at
// least informational level (info, warn, error and fatal) should be
// logged to stdout.
"loggers": [
{
"name": "kea-dhcp6",
"output-options": [
{
"output": "stdout"
}
],
"debuglevel": 0,
"severity": "INFO"
}
]
}
}
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