Ubuntu搭建dhcpv6服务器(Kea DHCP Server V2.3.7)

1 PD相关

1.1 修改PD的valid-lifetime

修改valid-lifetime时，必须确保renew-timer比valid-lifetime小，否则LAN侧RA在valid-lifetime到期之后就不再下发。

    "renew-timer": 100,
    "rebind-timer": 200,
    "preferred-lifetime": 300,
    "valid-lifetime": 400,