Chapter 1 General Troubleshooting

CTC Operation Troubleshooting

Procedure: Verify Correct Username and Password

Step 1 Ensure that your keyboard Caps Lock key is not turned on and affecting the case-sensitive entry of the username and password.

Step 2 Contact your system administrator to verify the username and password.

Step 3 Call Cisco TAC to have them enter your system and create a new user name and password.

1.6.11 No IP Connectivity Exists Between Nodes

Symptom The nodes have a gray icon that is usually accompanied by alarms.

Table 1-19describes the potential cause of the symptom and the solution.

Table 1-19 No IP Connectivity Exists Between Nodes

Possible Problem

Solution

 

 

Lost Ethernet

Usually, this condition is accompanied by Ethernet-specific alarms. Verify

connection

the Ethernet connections as described in the “1.6.15 Ethernet Connections”

 

section on page 1-62.

 

 

1.6.12 DCC Connection Lost

Symptom The node is usually accompanied by alarms and the nodes in the network view have a gray icon. This symptom is usually accompanied by an EOC alarm.

Table 1-20describes the potential cause of the symptom and the solution.

Table 1-20 DCC Connection Lost

Possible Problem

Solution

 

 

A lost DCC connection

Usually, this condition is accompanied by an EOC alarm. Clear the EOC

 

alarm and verify the DCC connection as described in the “2.6.49 EOC”

 

section on page 2-48.

 

 

1.6.13 “Path in Use” Error When Creating a Circuit

Symptom While creating a circuit, you get a “Path in Use” error that prevents you from completing the circuit creation.

Table 1-21 on page 1-62describes the potential cause of the symptom and the solution.

Cisco ONS 15327 Troubleshooting Guide, R3.4

 

April 2003

1-61

 

 

 

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Cisco Systems ONS 15327 manual No IP Connectivity Exists Between Nodes, DCC Connection Lost

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.