If the source receives the ICMP Echo Reply message within a specified period, the destination is reachable. Upon receipt, the destination replies with an ICMP Echo Reply message. Specifies the name or IP address of a destination host.Ī source sends an ICMP Echo Request message to a specified IP address (the destination). The value is an integer ranging from 0 to 65535, in milliseconds.
If the transmission rate on the network is low, increase the parameter value. Otherwise, the source shows that the message times out. After receiving the ICMP Echo Request message, if the destination returns an ICMP Echo Reply message to the source within the period specified by the parameter value, the destination is reachable. Specifies the length of time to wait for an ICMP Echo Reply message after an ICMP Echo Request message is sent.Īfter the ping command is run, the source sends an ICMP Echo Request message to a destination and waits for an ICMP Echo Reply message. The value is an integer ranging from 1 to 4294967295.
If the network quality is poor, you can increase the parameter value to determine the network quality based on the packet loss rate. Specifies the number of ICMP Echo Request or ICMPv6 Echo Request messages that are sent. Table 1-1 Parameter description of the ping command