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This chapter describes how to display and monitor ATM fabrics.
You can use the following sections to display ATM fabrics (including discovered ATM fabrics, newly discovered devices, and unknown ATM devices); display device or link information; merge, separate, and rename ATM fabrics; configure parameters; and monitor ATM network performance:
Step 1 Start the AtmDirector application from the CWSI Campus Map.
See "Starting the AtmDirector Application" in Chapter 2, "Navigating in the AtmDirector Application" for more information.
The AtmDirector main window opens with a list of fabrics and ATM-VLANs in your network (Figure 2-2).
Step 2 Double-click a fabric name to display its topology map (Figure 2-5).
Step 3 Double-click an ATM-VLAN name to display its topology (Figure 2-6).
As ATM switches, links, and hosts in the fabric are discovered, the number of devices discovered since the last update is displayed in the lower right of the window. The discovery process also writes the newly discovered devices to the CWSI Campus database.
After you display a topological view of your network, the discovery process continues to discover new devices and records them in the database. Newly discovered devices are placed on the left corner of the map with links from the appropriate devices. You can place these new devices in desired positions by dragging the device icons.
You can display information about an unknown device or its link by navigating to the Node Description window (Figure 3-1) or the Link Description window (Figure 3-2). The Node Description window displays the ATM address and the IP address (if it is known). The Link Description window displays the From Port and From Interface Index information (on the LightStream 1010 side) about the link that connects the LightStream 1010 and the unknown device. The To Port and To Interface Index information (on the unknown device side) might be unknown and is not displayed.
You can take the following actions on any links that are connected to an unknown device:
Step 1 From the Fabric topology window, select a link or device using the left mouse button.
Step 2 Select Map>Object>Describe, or select the device or link, press the right mouse button, and select Describe from the popup menu.
The Node Description window (Figure 3-1) or the Link Description window (Figure 3-2) opens.
If a link or a port is enabled between two ATM switches that belong to different ATM fabrics, the discovery process merges the two fabrics and updates the ATM database. When two fabrics merge, the AtmDirector application creates a new merged map. The name of the new map is added to the Fabric List in the AtmDirector main window and a popup message indicates that the two fabric maps have merged.
If the two maps are open at the time of the merger, all functionality except print is grayed out and you cannot select the devices and links in the original maps. Select File>Close to close the maps and remove them from the Fabric List.
If the two maps are closed at the time of the merger, they are automatically removed from the Fabric List after they merge.
ATM fabrics are separated when you delete a link between ATM switches in the main CWSI Campus Map.
When two ATM fabrics separate, the AtmDirector application creates two new fabric maps and a popup message indicates that the map has been separated. The names of the new maps are added to the Fabric List in the AtmDirector main window.
If the fabric map is open when that fabric separates, all functionality except print is grayed out, and you cannot select the devices and links in the original map. Use File>Close to close the map and remove it from the Fabric List.
If the fabric map is closed when that fabric separates, the map is automatically removed from the Fabric List.
Step 1 From the AtmDirector main window, double-click a fabric name.
The Fabric topology window opens (Figure 2-5).
Step 2 Select Edit>Rename Fabric.
The Rename Fabric window opens.
Step 3 Select the name of the fabric you want to rename.
Step 4 Enter the new name of the map in the New Name field.
Step 5 Click OK.
You can use the AtmDirector application as described in the following sections to configure parameters:
Polling parameters are configured for status monitoring and for plotting utilization graphs.
Step 1 Start the AtmDirector application from the CWSI Campus Map. See "Starting the AtmDirector Application" in Chapter 2, "Navigating in the AtmDirector Application."
The AtmDirector main window opens (Figure 2-2).
Step 2 Select Preferences>Options.
The Global Preferences window opens (Figure 3-3).
Step 3 Click Polling to display the SNMP polling parameters.
Step 4 Enter the SNMP timeout value in the Time Out field.
The default is five seconds.
Step 5 Enter the number of retries in the Number of Retries field.
The default is three.
Step 6 Enter the interval between each polling cycle in the Data Collection Polling Interval field.
The default is 30 seconds.
Step 7 Enter the polling interval for the utilization calculations in VC List in the Utilization Polling Interval field.
The default is ten seconds.
Step 8 Click OK.
Step 1 Start the AtmDirector application from the CWSI Campus Map.
See "Starting the AtmDirector Application" in Chapter 2, "Navigating in the AtmDirector Application" for more information.
The AtmDirector main window opens (Figure 2-2).
Step 2 Select Preferences>Options.
The Global Preferences window opens (Figure 3-3).
Step 3 Select Miscellaneous to display the miscellaneous parameters.
Step 4 From the Default Fabric scrolling list, select the fabric you want to display by default each time you start the AtmDirector application.
Step 5 Select the percentage by which you want to increase or decrease the zoom factor in the Zoom Factor field.
The default is 50 percent.
Step 6 Start or stop the topology debugs by selecting on or off to print debug messages to the log file.
Step 7 Click OK.
This section describes how you can use the AtmDirector application to graph the performance of your ATM network.
The AtmDirector application provides the following graphs based on the data collected by the ATM-RMON agent running on the LightStream 1010 switches:
To display a graph of the TopN active hosts in your ATM network, follow these steps:
Step 1 From the ATM fabric topology window, select all the devices you want to monitor.
Step 2 Select Performance>TopN.
The TopN graph appears (Figure 3-4). The graph displays the TopN users of the selected ATM fabric bandwidth (up to five devices).
To display a graph of the traffic between two hosts in your ATM network, follow these steps:
Step 1 From the ATM fabric topology window, select the two devices you want to monitor.
Step 2 Select Performance>Traffic Between Hosts.
The Traffic between hosts graph appears (Figure 3-5).
To display a graph of the number of failed calls in your ATM network, follow these steps:
Step 1 From the ATM fabric topology window, select the devices you want to monitor for call failure.
Step 2 Select Diagnosis>Calls Failed.
The Call Failure graph displays the number of failed calls (Figure 3-6).
Posted: Thu Sep 30 11:28:00 PDT 1999
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