3Com 10014298 manual Testing Tools for, Following sections Ping Tracert Command

			Maintaining and Debugging the System 259
	all the information needed. In this case, use display diagnostic-information
	command.
	You can perform the following operations in all views.
	Table 288 Displaying Diagnostic Information
	Operation		Command
	Display diagnostic information		display diagnostic-information
	To view the data later, enable saving a screen capture to a file.
Testing Tools for	The descriptions of testing tools for a network connection are found in the
Network Connection	following sections:
	■	Ping
	■	Tracert Command

Ping

The ping command can be used to check the network connection and to verify whether the host can be reached.

Perform the following operation in user view.

Table 289 The Ping Command

Operation	Command
Support IP ping	ping [ -aip-address ] [-ccount ]
	[ -d] [ -i{interface-type
	interface-num interface-name }
	] [ ip ] [ -n] [ - p pattern ] [ -q
	] [ -r] [ -spacketsize ] [ -t
	timeout ] [ -v] host

The output of the ping command includes:

■The response to each ping message. If no response packet is received when time is out,”Request time out” information appears. Otherwise, the data bytes, the packet sequence number, TTL, and the round-trip time of the response packet will be displayed.

■The final statistics, which include the:

■number of the packets the switch sent out and received

■packet loss ratio

■round-trip time in its minimum value, mean value and maximum value

Tracert Command

Tracert is used for testing the gateways from the source host to the destination. It is used for checking if the network is connected and analyzing where faults occur in the network.