This example USES a predefined "ping" Nagios plug-in, which sends Internet Control Message Protocol (ICMP) echo requests to determine if a host is responsive or not.
这个示例使用了一个预定义的“ping”Nagios插件,它将发送Internet控制信息协议(Internet Control Message Protocol, ICMP)回显请求以确定主机是否有响应。
2
Packet Internet Groper a program used to test whether a particular network destination is online, by sending an Internet control message protocolecho request and waiting for a response.
Attempts to send an Internet Control message Protocol (ICMP) echo message to a remote computer and receive a corresponding ICMP echo reply message from the remote computer.