Using the J-Web Ping ATM Tool

You can ping an Asynchronous Transfer Mode (ATM) node on an ATM virtual circuit (VC) pathway to verify that the node can be reached over the network. The output is useful for diagnosing ATM node and network connectivity problems. The Services Router sends a series of echo requests to a specified ATM node and receives echo responses.

Alternatively, you can use the CLI ping atm command. (See the JUNOS System Basics and Services Command Reference.)

To use the ping ATM tool:

Select Diagnose>Ping ATM from the task bar.
Next to Advanced options, click the expand icon (see Figure 91).
Enter information into the Ping ATM page, as described in Table 136.
The Virtual Circuit and Interface fields are required fields.
Click Start.
The results of the ping operation are displayed in the main pane (see Figure 92). If no options are specified, each ping response is in the following format:

53 byte oam cell received on (vpi=vpi vci=vci): seq=number
Table 137 summarizes the output fields of the display.
To stop the ping operation before it is complete, click OK.

Figure 91: Ping ATM Page

Ping ATM Page

Table 136: J-Web Ping ATM Field Summary

Field	Function	Your Action
Virtual Circuit	Specifies the ATM point-to-point virtual circuit identifier (VCI) to ping.	Type the virtual circuit identifier (vci), or the virtual path identifier (VPI)–VCI pair (vpi.vci), that you want to ping.
Interface	Specifies the interface on which the ATM ping requests are sent.	From the list, select the interface. For ATM 1 and ATM 2 interfaces, you must include a logical unit number in the interface name.
Send to	Specifies the node to which the ATM ping requests are sent: end-to-end—Pings are sent to the end node. segment—Pings are sent only to an intermediate node.	From the list, select the node.
Advanced Options
Count	Specifies the number of ping requests to send.	From the list, select the number of ping requests to send.
Interval	Specifies the interval, in seconds, between the transmission of each ping request.	From the list, select the interval.
Sequence Number	Specifies the starting sequence number (correlation tag).	Type the sequence number.

Figure 92: Ping ATM Results Page

Ping ATM Results
Page

For more information about the J-Web Diagnose task, see Diagnose Tasks.

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