Chapter 1 General Troubleshooting

CTC Operation Troubleshooting

Table 1-9 Browser Stalls When Downloading Files From XTC

Possible Problem

Solution

 

 

The large, multinode

Reset the system or user CTC_HEAP environment variable to increase the

BLSR requires more

memory limits.

memory for the

See the “Reset the CTC_HEAP Environment Variable for Windows”

graphical user interface

procedure on page 1-53or the “Reset the CTC_HEAP Environment Variable

(GUI) environment

for Solaris” procedure on page 1-53to enable the CTC_HEAP variable

variables.

change.

 

 

Note This problem typically affects large networks where additional

 

memory is required to manage large numbers of nodes and circuits.

 

 

Procedure: Reset the CTC_HEAP Environment Variable for Windows

Step 1 Exit any and all open and running CTC and Netscape applications.

Step 2 From the Windows Desktop, right-click on My Computer and choose Properties in the shortcut menu.

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 User variables field or the System variables field.

Step 6 Type CTC_HEAP in the Variable Name field.

Step 7 Type 256 in the Variable Value field, and then click OK to create the variable.

Step 8 Click OK in the Environment Variables window to accept the changes.

Step 9 Click OK in the System Properties window to accept the changes.

Step 10 You can now restart the browser and CTC software.

Procedure: Reset the CTC_HEAP Environment Variable for Solaris

Step 1 From the user shell window, kill any CTC applications.

Step 2 Kill any Netscape applications.

Step 3 In the user shell window, set the environment variable to increase the heap size:

% setenv CTC_HEAP 256

Step 4 You can now restart the browser and CTC software in the same user shell window.

Cisco ONS 15327 Troubleshooting Guide, R3.4

 

April 2003

1-53

 

 

 

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Cisco Systems ONS 15327 manual Procedure Reset the Ctcheap Environment Variable for Windows
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ONS 15327 specifications

Cisco Systems ONS 15327 is a high-performance optical networking solution tailored for service providers and enterprises looking to enhance their optical communication infrastructure. This versatile platform is recognized for its robust performance, scalability, and flexibility, making it suitable for a wide array of applications ranging from broadband access to metropolitan area networking.

One of the standout features of the ONS 15327 is its ability to handle multiple data types over a single platform. It supports a rich array of protocols, including Ethernet and SONET/SDH, allowing service providers to deliver a diverse portfolio of services to their customers. This multiservice capability simplifies the network architecture, reducing operational complexity and costs.

The ONS 15327 is designed with a modular architecture, which enables operators to customize and scale their network as demand grows. It supports a variety of card options for different media types, wavelengths, and capacity requirements. This modularity not only facilitates straightforward upgrades but also allows for efficient network management.

In terms of technology, the ONS 15327 leverages dense wavelength division multiplexing (DWDM) capabilities to maximize the utilization of available fiber bandwidth. This allows for an impressive increase in transmission capacity without the need for additional fiber installations, making it a cost-effective solution for expanding networks.

Another significant characteristic of the Cisco ONS 15327 is its advanced performance monitoring and management features. Built-in diagnostic tools provide real-time visibility into network performance, enabling prompt identification and troubleshooting of potential issues. This proactive approach to network management enhances service reliability and customer satisfaction.

Security is also paramount in the ONS 15327. The platform integrates various security features and protocols to protect the data traversing the network, ensuring compliance with industry standards and safeguarding sensitive information.

Furthermore, the equipment is designed for easy integration into existing infrastructures. Its compatibility with Cisco’s broader networking solutions allows for seamless interconnection with routers, switches, and other devices, facilitating comprehensive network solutions.

In conclusion, Cisco Systems ONS 15327 stands out as a powerful optical networking platform that combines versatility, scalability, and advanced management features. Its ability to support various protocols and harness optical technologies makes it an essential tool for organizations aiming to optimize their telecommunications infrastructure while minimizing costs and complexity.
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