K2免流弄好后.DDNS不能自动更新

包子不***

鼓捣了一天,终于 可以免流了.
可是DDNS怎么自动更新呢?  万一路由器重启不就不能连了吗,还要手动重启
我在动态域名解析最下面,尝试了下强制更新.好像不行
系统日志显示如下.....
Nov 24 20:24:22 inadyn[14439]: FORCED_UPDATE command received, updating now.
Nov 24 20:24:22 inadyn[14439]: Checking for IP# change, querying interface eth2.2
Nov 24 20:24:22 inadyn[14439]: Failed reading IP address of interface eth2.2: Cannot assign requested address
Nov 24 20:24:22 inadyn[14439]: Will retry again after 20 min...