Name: Cisco ONS 15454 DWDM
Brand: Cisco
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1-43

Cisco ONS 15454 DWDM Troubleshooting Guide, R7.0.1

78-17742-02

Chapter 1 General Troubleshooting

1.7.3 Unable to Change Node View to Network View

Step 5 Click OK.

Step 6 Exit any and all open and running CTC and Internet Explorer applications.

Step 7 Launch Internet Explorer and open a new CTC session. You should now be able to access the CTC Help.

1.7.3 Unable to Change Node View to Network View

Symptom When activating a large, multinode BLSR from Software R3.2 to Software R3.3, some of the

nodes appear grayed out. Logging into the new CTC, the user is unable to change node view (single-shelf

mode) or shelf view (multishelf mode) to network view on any nodes, from any workstation. This is

accompanied by an “Exception occurred during event dispatching: java.lang.OutOfMemoryError” in the

java window.

Possible Cause The large, multinode BLSR requires more memory for the graphical user interface

(GUI) environment variables.

Recommended Action Set the system or user CTC_HEAP environment variable to increase the

memory limits. Complete the “Set the CTC_HEAP and CTC_MAX_PERM_SIZE_HEAP

Environment Variables for Windows” procedure on page 1-43 or the “Set the CTC_HEAP and

CTC_MAX_PERM_SIZE_HEAP Environment Variables for Solaris” procedure on page 1-44 to

enable the CTC_HEAP variable change.

Note This problem typically affects large networks where additional memory is required to manage

large numbers of nodes and circuits.

Set the CTC_HEAP and CTC_MAX_PERM_SIZE_HEAP Environment Variables for Windows

Note Before proceeding with the following steps, ensure that your system has a minimum of 1 GB of RAM.

If your system does not have a minimum of 1 GB of RAM, contact the Cisco Technical Assistance Center

(TAC).

Step 1 Close all open CTC sessions and browser windows.

Step 2 From the Windows Start menu, choose Control Panel > System.

Step 3 In the System Properties window, click the Advanced tab.

Step 4 Click the Environment Variables button to open the Environment Variables window.

Step 5 Click the New button under the System variables field.

Step 6 Type CTC_HEAP in the Variable Name field.

Step 7 Type 512 in the Variable Value field, and then click the OK button to create the variable.

Step 8 Again, click the New button under the System variables field.

Step 9 Type CTC_MAX_PERM_SIZE_HEAP in the Variable Name field.

Step 10 Type 128 in the Variable Value field, and then click the OK button to create the variable.

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