Chapter 5 Troubleshooting the System Hardware

Symptoms and Solutions

Table 5-7

Diagnostic Panel LED Error Definitions (continued)

 

 

 

Diagnostic Panel

 

 

 

LED

 

Description

Cause and Action

 

 

 

 

 

Temperature

 

The system temperature has

1.

Ambient temperature must be within

LED on

 

exceeded a threshold level.

 

normal operating specifications. See the

 

 

 

 

Appendix A, “Wide Area Application

 

 

 

 

Engine 7326 Hardware Specifications.”.

 

 

 

2.

Ensure that fans are operating correctly.

 

 

 

3.

Ensure that both air baffles are installed.

 

 

 

4.

Examine the system error log.

 

 

 

 

a. System is over recommended

 

 

 

 

temperature.

 

 

 

 

Check the information LED panel.

 

 

 

 

b. System is over recommended

 

 

 

 

temperature for CPU x (where x is 1 or

 

 

 

 

2) (CPU LED is also on).

 

 

 

 

Check CPU x.

 

 

 

 

Check the system board.

 

 

 

5.

If the CPU LED on the diagnostic panel is

 

 

 

 

also on, one of the microprocessors has

 

 

 

 

caused the error.

 

 

 

 

 

Fan LED on

 

When the LED is lit, a fan has

1.

Check individual fan LEDs.

 

 

failed or is operating too slowly. A

2.

Have the respective fan replaced.

 

 

failing fan can also cause the

 

 

3.

Check the fan cable.

 

 

TEMP LED to be lit.

 

 

When the LED flashes, an invalid

4.

Check the system board.

 

 

fan configuration has occurred.

5.

Check the power cage assembly.

 

 

 

 

 

 

 

 

 

Cisco Wide Area Application Engine 7326 Hardware Installation Guide

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Cisco Systems 7326 manual Appendix A, Wide Area Application

7326 specifications

Cisco Systems 7326 is a powerful networking appliance designed to meet the demands of modern network environments. As part of Cisco's robust series of routers, the 7326 features a variety of capabilities that cater to both enterprises and service providers.

One of the standout features of the Cisco 7326 is its ability to seamlessly integrate into existing network infrastructures. It supports various routing protocols, including OSPF, EIGRP, and BGP, enabling efficient routing and management of data traffic. This flexibility allows organizations to maintain reliable connectivity across complex networks.

The Cisco 7326 is built on Cisco’s IOS XR operating system, renowned for its scalability and resilience. This operating system ensures that the router can handle increasing data loads seamlessly, making it suitable for high-traffic environments. Additionally, the IOS XR provides advanced features such as in-service software upgrades, which minimizes downtime during maintenance and enhancements.

In terms of hardware specifications, the Cisco 7326 offers multiple port configurations, including Ethernet and fiber options, allowing for extensive connectivity possibilities. It also supports high-speed interfaces, ensuring fast data transfer rates essential for bandwidth-intensive applications. The router's modular design means that organizations can easily add or upgrade components, providing a future-proof solution that can grow with their needs.

Security is a critical focus for Cisco, and the 7326 is no exception. With integrated security features like Advanced Malware Protection and secure access protocols, organizations can safeguard their networks against emerging threats. The router also supports VPNs and other encryption technologies, reinforcing data security during transmission.

The Cisco 7326 is optimized for cloud-based applications and services, making it an excellent fit for enterprises embracing digital transformation. Its ability to support software-defined networking (SDN) solutions allows organizations to dynamically manage their network resources, improving efficiency and responsiveness to changing business requirements.

Overall, the Cisco 7326 router exemplifies a blend of performance, security, and scalability, making it a vital component for organizations aiming to maintain a competitive edge in an increasingly digital landscape. With its advanced features and technologies, the Cisco 7326 is well-equipped to handle the challenges of modern networking needs.