文件修改
vi /etc/config/dhcp
config dhcp 'lan'
option leasetime '1h' # DHCPv4租约时间
option ra_maxinterval '60' #最长 RA 间隔
option ra_mininterval '20' #最短 RA 间隔
option ra_lifetime '180' # RA 生存时间
option ra_useleasetime '1' # 使用DHCPv4租约时间作为IPv6前缀的首选和有效生命周期的限制 对应valid_time
option preferred_lifetime '10m' # IPv6前缀生存时间 对应preferred_time
option ra_default '2' #默认路由强制的
命令修改
uci set dhcp.lan.leasetime='1h'
uci set dhcp.lan.ra_default='2'
uci set dhcp.lan.ra_maxinterval='60'
uci set dhcp.lan.ra_mininterval='20'
uci set dhcp.lan.ra_lifetime='180'
uci set dhcp.lan.preferred_lifetime='5m'
uci set dhcp.lan.leasetime='1h'
uci set dhcp.lan.ra_default='2'
uci set dhcp.lan.ra_maxinterval='60'
uci set dhcp.lan.ra_mininterval='20'
uci set dhcp.lan.ra_lifetime='180'
uci set dhcp.lan.preferred_lifetime='5m'