Chapter 1 General Troubleshooting

1.9.2 Unable to Change Node View to Network View

Set Internet Explorer as the Default Browser for CTC

Step 1 Open the Internet Explorer browser.

Step 2 From the menu bar, click Tools > Internet Options. The Internet Options window appears. Step 3 In the Internet Options window, click the Programs tab.

Step 4 Click the Internet Explorer should check to see whether it is the default browser check box. 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 another CTC session. You should now be able to access the CTC Help.

1.9.2 Unable to Change Node View to Network View

Symptom Logging into CTC session, the user is unable to change node view to network view on any and all nodes, from any workstation. This is accompanied by an “Exception occurred during event dispatching: java.lang.OutOfMemoryError” in the java window.

Table 1-7describes the potential cause of the symptom and the solution.

Table 1-7 Unable to Change Node View to Network View

Possible Problem

Solution

 

 

The browser stalls when

Reset the system or user CTC_HEAP environment variable to increase the

downloading files from

memory limits.

a port because the

See the “Set the CTC_HEAP and CTC_MAX_PERM_SIZE_HEAP

display requires more

Environment Variables for Windows” procedure on page 1-52or the “Set the

memory for the

CTC_HEAP and CTC_MAX_PERM_SIZE_HEAP Environment Variables

graphical user interface

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

(GUI) environment

change.

variables.

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.

Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0

1-52

Page 85 Page 87
Page 86
Image 86
Cisco Systems ONS 15310-CL, ONS 15310-MA manual Unable to Change Node View to Network View
Page 85 Page 87

ONS 15310-CL, ONS 15310-MA specifications

Cisco Systems has long been a leader in networking and telecommunications technology, and among its impressive lineup of products, the Cisco ONS 15310 series stands out as an essential solution for optical networking. This series includes models such as the ONS 15310-MA, ONS 15310-CL, and ONS 15310-CA, each designed to meet the diverse needs of service providers and enterprises seeking to enhance their optical transport networks.

The Cisco ONS 15310-MA is an advanced multi-service platform designed for metropolitan area networks. It facilitates the seamless transport of data, voice, and video over optical networks. One of its main features is its ability to support a variety of interfaces, including Ethernet, SONET/SDH, and Wavelength Division Multiplexing (WDM), allowing users to integrate multiple services into a single platform. Additionally, the ONS 15310-MA supports advanced traffic management and Quality of Service (QoS) features to prioritize critical applications and ensure consistent performance.

The ONS 15310-CL variant is tailored for more specific applications, providing enhanced capabilities aimed at delivering carrier-grade services. It features a robust architecture that accommodates high-capacity traffic without compromising reliability. This model emphasizes low power consumption and a compact design, making it suitable for deployment in space-constrained environments. The ONS 15310-CL also supports a wide range of optical interfaces, making it highly flexible for various network configurations.

In terms of technologies, the Cisco ONS 15310 series leverages Optical Transport Network (OTN) capabilities, providing high efficiency and greater bandwidth utilization. OTN technology enables efficient error correction and adds resilience to the network through its built-in protection mechanisms. Furthermore, the series supports seamless integration with existing IP/MPLS networks, creating a cohesive infrastructure as organizations evolve their networking requirements.

One of the defining characteristics of the ONS 15310 series is its focus on scalability. Network operators can start with a modest deployment and gradually expand capacity as demand grows. This adaptability is complemented by Cisco's comprehensive management and monitoring tools, providing operators with real-time insights into network performance and facilitating proactive management.

In conclusion, the Cisco ONS 15310-MA and ONS 15310-CL models represent sophisticated solutions for modern optical networks. With their versatile features, advanced technologies, and robust design, they empower service providers and enterprises to build resilient, high-capacity networks that meet the demands of today’s data-driven world.
Top Page Image Contents