kea/doc/examples/kea6/several-subnets.json

# This is an example configuration file for DHCPv6 server in Kea.
# It's a basic scenario with four IPv6 subnets configured. In each
# subnet, there's a smaller pool of dynamic addresses.

{ "Dhcp6":

{ 
# Kea is told to listen on eth0 interface only.
  "interfaces": [ "eth0" ],

# Addresses will be assigned with preferred and valid lifetimes
# being 3000 and 4000, respectively. Client is told to start
# renewing after 1000 seconds. If the server does not repond
# after 2000 seconds since the lease was granted, client is supposed
# to start REBIND procedure (emergency renewal that allows switching
# to a different server).
  "preferred-lifetime": 3000,
  "valid-lifetime": 4000,
  "renew-timer": 1000,
  "rebind-timer": 2000,

# The following list defines subnets. Each subnet consists of at
# least subnet and pool entries.
  "subnet6": [ 
  {    "pool": [ "2001:db8:1::/80" ],
       "subnet": "2001:db8:1::/64"  },
  {    "pool": [ "2001:db8:2::/80" ],
       "subnet": "2001:db8:2::/64"  }, 
  {    "pool": [ "2001:db8:3::/80" ],
       "subnet": "2001:db8:3::/64"  },
  {    "pool": [ "2001:db8:4::/80" ],
       "subnet": "2001:db8:4::/64"  } ]
}

}