Chapter 8 Troubleshooting

Troubleshooting Overview

Table 8-3

Power Supply LEDs

 

 

 

 

 

 

 

 

 

 

 

 

 

LED Label

 

 

Color

 

State

Function

 

 

 

 

 

 

 

 

 

 

INPUT OK

 

 

Green

 

On

The input voltage is present and within the required

 

 

 

 

 

 

 

range.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Off

The input voltage is not present or not within the

 

 

 

 

 

 

 

required range.

 

 

 

 

 

 

 

 

 

 

OUTPUT FAIL

 

 

Green

 

On

The output voltage is not within the required range.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Off

The output voltage is in the required range.

 

 

 

 

 

 

 

 

 

 

FAN OK

 

 

Green

 

On

Power supply internal fan is operational.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Off

Power supply internal fan is not operational.

 

 

 

 

 

 

 

 

 

 

Power (front

 

 

Green

 

Steady

Installed power supplies are functioning normally.

 

panel)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Amber

 

Steady

One of the power supply units is disconnected or

 

 

 

 

 

 

 

malfunctioning.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Off

No power.

 

 

 

 

 

 

 

 

 

 

Table 8-4

Fan Assembly LED

 

 

 

 

 

 

 

 

 

 

 

LED Label

 

Color

State

 

Function

 

 

 

 

 

 

 

 

FAN STATUS

 

Green

On

 

All fans are operational.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Off

 

One or more of the individual fans are not

 

 

 

 

 

 

 

 

operational.

 

 

 

 

 

 

 

 

 

 

Problem Solving Using a Subsystems Approach

Identifying Startup Problems, page 8-6

Troubleshooting the Power Subsystem, page 8-7

Troubleshooting the Firmware Package Installation, page 8-8

Troubleshooting the Management Subsystem, page 8-8

Troubleshooting the Link Interface Subsystem, page 8-10

Identifying Startup Problems

Startup problems are commonly due to the source power or to a poor cable connection.

When you start up the Cisco SCE8000 platform for the first time, you should observe the startup sequence described in Starting the Cisco SCE8000 Platform, page 7-1. This section contains a more detailed description of the normal startup sequence and describes the steps to take if the system does not perform that sequence as expected. LEDs indicate all system states in the startup sequence. By checking the state of the LEDs, you can determine when and where the system failed in the startup sequence. Use the following descriptions to isolate the problem to a subsystem, and then proceed to the appropriate sections to try to resolve the problem.

When you start up the system by turning on the power supply switch, the following should occur:

You should immediately hear the fans operating.

Cisco SCE8000 Installation and Configuration Guide, Rel 3.1.7

8-6

OL-16478-02

 

 

Page 114
Image 114
Cisco Systems SCE8000 manual Problem Solving Using a Subsystems Approach, Identifying Startup Problems

SCE8000 specifications

Cisco Systems SCE8000 is an advanced service control edge solution designed to enhance the management and performance of service provider networks. Targeted at carriers and large enterprises, the SCE8000 is characterized by its capacity to efficiently handle traffic management, quality of service (QoS), and policy enforcement across various services including voice, video, and data.

One of the main features of the SCE8000 is its scalability. The platform supports a high-density architecture, allowing service providers to seamlessly expand their networks to accommodate growing traffic demands. This scalability is complemented by an impressive throughput, which enables the handling of millions of concurrent sessions, making it ideal for environments with significant user activity.

The SCE8000 employs advanced traffic management capabilities, leveraging deep packet inspection (DPI) technology. This allows for granular visibility into network traffic, enabling service providers to make informed decisions about resource allocation and policy application. Additionally, the device supports multiple protocol analysis, ensuring compatibility across various network services and enhancing overall efficiency.

Quality of Service (QoS) is another critical characteristic of the SCE8000. The platform provides sophisticated mechanisms to prioritize traffic, thereby ensuring that delay-sensitive applications such as VoIP and video streaming receive the necessary bandwidth. This capability is enhanced by Cisco's intelligent traffic shaping and congestion management features, which work together to optimize the user experience even in congested network conditions.

The SCE8000 also integrates robust security features, including session initiation protocol (SIP) security, to protect against malicious attacks and maintain service integrity. This is particularly important in today's cyber landscape where service providers must safeguard their infrastructure from various threats.

Automation and programmability are essential characteristics of the SCE8000, enabling operators to implement policies quickly and efficiently. This feature allows for dynamic scaling and rapid deployment of new services, significantly reducing the time to market for new offerings.

In conclusion, Cisco Systems SCE8000 stands out as a powerful platform for managing service provider networks. With its high scalability, advanced traffic management, quality of service assurance, robust security features, and automation capabilities, the SCE8000 enables service providers to deliver a superior customer experience while optimizing their operational efficiency. This makes it an invaluable asset for any organization looking to enhance its network performance and service delivery.