linux 管理命令，iproute
查看帮助文件：
man ip
SEE ALSO ip-address(8), ip-addrlabel(8), ip-l2tp(8), ip-link(8), ip-maddress(8), ip-monitor(8), ip-mroute(8), ip-neighbour(8), ip-netns(8), ip-ntable(8), ip-route(8), ip-rule(8), ip- tcp_metrics(8), ip-tunnel(8), ip-xfrm(8) IP Command reference ip-cref.ps
原文：https://www.cnblogs.com/learn-ops/p/9326744.html