Intel A21721-001 manual 10/100 Ethernet Troubleshooting, Possible Symptom Cause Course of Action

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C H A P T E R 3

Intel® NetStructure™ 6000 Switch Modules User Guide

10/100 Ethernet Troubleshooting

Power-up Problems

The following table is a quick guide to power-up problems, their possible cause, and a suggested course of action.

 

Possible

 

Symptom

Cause

Course of Action

 

 

 

No Link LED after

Bad or improper

Check cable. 100Mbps

plugging in a cable.

cable type.

link requires Category 5

 

 

cable. Hub-to-switch or

 

 

switch-to-switch

 

 

connection must be made

 

 

with a “crossover” cable.

 

 

Check patch cables

 

 

especially. Never use

 

 

“silver satin” telephone

 

 

patch cables. The total

 

 

length of the cable should

 

 

be less than 100 meters

 

 

(328.1 feet) including

 

 

patches.

 

 

 

 

Ports are

The switch’s default link

 

configured

connects with any

 

improperly.

properly operating link.

 

 

However, a port can be

 

 

configured to link without

 

 

auto-negotiation into one

 

 

of several configurations.

 

 

If plugged into a port that

 

 

has been configured

 

 

differently, the link might

 

 

not connect or might not

 

 

work properly. For

 

 

example, a full-duplex

 

 

port connected to a half-

 

 

duplex port might have

 

 

many frame errors.The

 

 

best solution is to use the

 

 

ports in auto-negotiation

 

 

mode with properly

 

 

functioning devices

 

 

plugged into them.

 

 

 

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Contents Intel NetStructure Switch A21721-001 First Edition May Contents Page Topic See Quick StartAvailable Modules Per Ports per Features per Chassis Slot Intel NetStructure 6000 Switch Modules User GuideModule Installation Intel NetStructure 6000 Switch Modules User Guide Gigabit Ethernet Modules Overview of the Gigabit Ethernet Modules Setting Auto-negotiationCable Type Length Gigabit Ethernet ConfigurationColor Definition Status BoardLink Configuring portsPort Type Cable Type Length Symptom Possible Cause Course of Action Gigabit Ethernet TroubleshootingUse ifconfig Page Fast Ethernet Modules Overview of the Fast Ethernet Modules Status 10/100 Ethernet Configuration100Mbps ActivityPossible Symptom Cause Course of Action 10/100 Ethernet TroubleshootingAgingtime command Use the clear fdbUse the show counters

A21721-001 specifications

The Intel A21721-001 is a highly regarded microprocessor that exemplifies Intel's commitment to innovation and performance in the computing landscape. As part of the family of Intel processors, the A21721-001 offers several features geared towards both consumer and enterprise markets, ensuring versatility across various applications.

One of the main highlights of the A21721-001 is its advanced architecture, which is designed to deliver superior performance. Utilizing Intel's cutting-edge manufacturing process, this microprocessor boasts a high clock speed, enabling efficient execution of multiple tasks and applications. This makes it particularly suitable for environments demanding heaving processing capabilities, such as gaming, content creation, and data-intensive computing tasks.

The A21721-001 supports Intel Hyper-Threading technology, allowing each core to handle multiple threads simultaneously. This leads to improved multitasking performance, as users can run several applications without noticeable slowdowns. Additionally, the processor is equipped with Intel Turbo Boost technology, which dynamically increases the clock speed when needed, providing a performance boost for demanding applications while maintaining thermal efficiency.

In terms of memory compatibility, the A21721-001 supports a wide range of memory types and configurations, facilitating fast and stable data handling. It is equipped with support for DDR4 memory, allowing for higher bandwidth and better performance in applications, further enhancing the user experience.

The microprocessor also features Intel Graphics Technology, providing integrated graphics capabilities that alleviate the need for a dedicated graphics card in many scenarios. This is particularly beneficial for users who require basic graphic performance without the additional cost and power consumption of discrete GPUs.

Security is another critical aspect of the A21721-001, as it includes hardware-based security features such as Intel Software Guard Extensions (SGX) and Intel Trusted Execution Technology (TXT). These technologies help safeguard sensitive data and improve overall system security against potential threats.

The A21721-001 is specifically designed with power efficiency in mind, enabling it to perform effectively while minimizing energy consumption. Its thermal design power (TDP) ensures that it can operate efficiently in a variety of systems, from desktops to laptops.

In conclusion, the Intel A21721-001 stands out for its robust performance, advanced technologies, and versatility, making it an excellent choice for users looking for a powerful and efficient microprocessor in today's fast-evolving computing environment.