Error:Get value from agent failed: cannot connect to No route to host的解决方法

Error:Get value from agent failed: cannot connect to [[ip address]:10050]: [113] No route to host
Client OS:CentOS Linux release 7.6.1810 (Core)
Zabbix agent:zabbix-agent-4.0.10-1.el7.x86_64

解决方法:
1、 检查10050端口是否开启
firewall-cmd --zone=public --query-port=10050/tcp
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