Using ATM Monitor

ATM Monitor lets you display the activity of ATM SwitchProbe devices and any ATM switches that support embedded ATM RMON.

The following sections describe how you use ATM Monitor:

Overview of ATM Monitor

The ATM RMON MIB lets you collect ATM statistics (cell rate, call rate, and call attempts), and host and conversation information. The information displayed by ATM Monitor depends on whether you are monitoring an ATM SwitchProbe device or a switch that supports embedded ATM RMON.

If you are monitoring an ATM SwitchProbe device, all of the activity is displayed as a single port group for the following service classes:

Available Bit Rate and Unspecified Bit Rate (ABR&UBR)

Committed Bit Rate and Variable Bit Rate (CBR&VBR)
If you are monitoring a switch that supports embedded ATM RMON, the activity is displayed for each logical port group (predefined by the Switch Administrator) for the ABR&UBR and CBR&VBR service classes.

You can display the activity as cell rates (how many cells are seen per second) or call rates (number of connections that are established per second). You can start other applications such as TopN Talkers, All Talkers, TopN Conversations, and All Conversations from ATM Monitor, so you can obtain more detailed information about ATM activity.

Starting ATM Monitor

To start ATM Monitor from the TrafficDirector main window, follow these steps:

Step 1 Click the Traffic radio button.

Step 2 Do one of the following:

Click Agent.
Click Switch.

Step 3 Then do one of the following:

If you selected Agent, select an agent name from the agent list box.
If you selected Switch, select a switch name from the switch list box.

Step 4 Click the ATM Monitor icon.

The ATM Monitor window is displayed (Figure 15-1), and it corresponds to the agent or switch you selected.

Figure 15-1: ATM Monitor Window

Understanding the ATM Monitor Display

The display formats for ATM Monitor are a function of the View > Options menu.

Table 15-1 provides a description of the information that is displayed when you select each of the View options.

Table 15-1: ATM Monitor View Options

Choose This
View Option... To Display

Cell rate

The average number of cells per second detected during the selected sample interval.

Call rates

The number of connections being established per second during the selected sample interval.

Choose This View Option...	To Display
Cell rate	The average number of cells per second detected during the selected sample interval.
Call rates	The number of connections being established per second during the selected sample interval.

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