Chapter 6 Troubleshooting the System Hardware

Undetermined Problems

Table 6-1

Ethernet Troubleshooting Chart

 

 

Ethernet Controller

 

Problem

 

Actions

 

 

Ethernet link status

Check the following:

LED does not work.

Make sure that the switch to which the WAVE appliance is connected is

 

 

 

 

powered on.

 

 

Check all connections at the Ethernet controller and the switch.

 

 

Use another port on the switch.

 

 

If the switch does not support autonegotiation, manually configure the

 

 

Ethernet controller to match the switch.

 

 

(Both sides of the connection must be set the same. Mixing

 

 

autonegotiation and hard-coded configurations will result in half duplex,

 

 

which causes a CRC error on the interface.)

 

 

If you manually configured duplex mode, make sure that you also

 

 

manually configure the speed.

 

 

The Ethernet activity

Check the following:

LED does not work.

The network might be idle. Try sending data from this appliance.

 

 

 

 

Check all connections at the Ethernet controller and the switch.

 

 

Use another port on the switch.

 

 

Data is incorrect or

Check the following:

sporadic.

 

Make sure that you are using Category 5 or higher cabling when operating

 

 

 

 

the appliance at 100 Mbps or 1000 Mbps.

 

 

Make sure that the cables do not run close to noise-inducing sources such

 

 

as fluorescent lights.

 

 

Make sure the RJ-45 jack is securely latched (avoid cables with broken

 

 

latches).

 

 

 

The Ethernet

 

Check the following:

controller stopped

Try a different connector on the switch.

working without

If you suspect the adapter is faulty, contact the Cisco Technical Assistance

apparent cause.

 

 

 

Center (TAC).

 

 

 

Undetermined Problems

Use the information in this section if the diagnostic tests did not identify the failure, the devices list is incorrect, or the system is inoperative.

Note Damaged data in CMOS can cause undetermined problems.

Note Damaged data in BIOS code can cause undetermined problems.

Cisco Wide Area Virtualization Engine 594 and 694 Hardware Installation Guide

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Cisco Systems WAVE594K9, 694 manual Undetermined Problems, Ethernet Controller Problem Actions

694, WAVE594K9 specifications

Cisco Systems WAVE594K9 is a state-of-the-art application delivery controller (ADC) that is designed to optimize the performance and availability of applications across a wide area network. As part of Cisco’s advanced networking solutions, the WAVE594K9 effectively enhances application delivery, ensuring a seamless user experience even under heavy traffic conditions.

One of the primary features of the WAVE594K9 is its ability to provide comprehensive traffic management. This device intelligently load balances incoming requests and distributes them across multiple servers. By optimizing resource allocation, it minimizes response times and maximizes throughput, which is particularly beneficial for organizations dealing with fluctuating traffic patterns.

The WAVE594K9 also excels in application acceleration. This is achieved through various optimization techniques, including compression and caching. By reducing the size of transmitted data and storing frequently accessed content closer to users, the WAVE594K9 significantly speeds up application delivery. As a result, businesses can ensure that their users experience minimal latency, even when accessing resource-intensive applications.

Security is another key characteristic of the WAVE594K9. It integrates advanced security features, such as application layer firewalls, SSL offload capabilities, and DDoS protection. These built-in security measures not only safeguard sensitive data but also improve performance by offloading decryption tasks from application servers, allowing them to focus on processing actual requests.

Moreover, the WAVE594K9 is equipped with robust monitoring and reporting tools. Administrators can gain real-time insights into application performance, user activity, and traffic patterns. This level of visibility enables proactive management and troubleshooting, which helps in identifying and resolving potential issues before they impact end-users.

In terms of scalability, the WAVE594K9 is designed to grow with an organization’s needs. It can easily be integrated into existing IT infrastructures and expanded as traffic demands increase. This flexibility makes it an ideal solution for businesses of all sizes, from small enterprises to large corporations.

To summarize, the Cisco Systems WAVE594K9 is a powerful ADC that enhances application delivery through intelligent traffic management, application acceleration, built-in security features, and comprehensive monitoring tools. Its ability to scale effectively makes it a strategic investment for ensuring optimal application performance in today’s dynamic IT environments.