[root@CentOS7 ~]# vim /etc/sysctl.d/99-sysctl.conf ... 添加： net.ipv4.ip_forward = 1:wq[root@CentOS7 ~]# sysctl -pnet.ipv4.ip_forward = 1 //查看修改结果.[root@CentOS7 ~]#本文出自 “Apple” 博客，请务必保留此出处http://59465168.blog.51cto.com/5268021/1917261
原文：http://59465168.blog.51cto.com/5268021/1917261