centos 7 永久添加静态路由

vi /etc/sysconfig/network-scripts/route-em1
10.15.150.0/24 via 192.168.150.253 dev em1
10.25.250.0/24 via 192.168.150.253 dev em1

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原文地址：https://www.cnblogs.com/hyming011/p/7856873.html