环境查看
# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 7.5 (Maipo)
# uname -a
Linux local-kingbase-003064 4.18.0-80.nk7.12.x86_64 #1 SMP Wed Jul 31 10:20:07 CST 2019 x86_64 x86_64 x86_64 GNU/Linux
错误
ping的时候报错如下
# ping 192.168.3.1
connect: 无效的参数
原因未知
解决方法
重启network即可
systemctl restart network