Intel A21721-001 manual Use the clear fdb, Agingtime command, Use the show counters

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C H A P T E R 3

Fast Ethernet Modules

 

 

 

 

Possible

 

 

 

Symptom

Cause

Course of Action

 

 

 

 

 

 

 

No connectivity

No link. Link on

See “No Link LED”

 

 

with a station on a

10/100 module is

symptom above.

 

 

switch port.

off.

 

 

 

Test for connectivity with

 

 

 

 

 

 

 

 

the ping command.

 

 

 

 

 

 

 

 

Cable has just

Use the clear fdb

 

 

 

been moved from

command or wait until the

 

 

 

one port to

aging time has expired if

 

 

 

another.

the destination is not

 

 

 

 

generating traffic. The set

 

 

 

 

agingtime command

 

 

 

 

establishes the aging time.

 

 

 

 

 

 

 

 

Spanning Tree

Wait 60 seconds for state

 

 

 

has just been

to change to “forwarding.”

 

 

 

enabled.

 

 

 

 

 

 

 

 

Poor performance

A considerable

Use the show counters

 

 

on a link.

amount of Data

command to display them.

 

 

 

Link errors such

Or, use any SNMP-based

 

 

 

as CRC errors.

network management tool

 

 

 

 

to generate reports based

 

 

 

Too many

on these counters.

 

 

 

collisions.

 

 

 

 

 

Too many stations on the

 

 

 

 

segment. Try moving

 

 

 

 

some to their own

 

 

 

 

segment.

 

 

 

 

 

 

 

 

Late Collisions.

Cables are too long. Use a

 

 

 

 

shorter cable, or add a

 

 

 

 

repeater or bridge.

 

 

 

 

 

There are too many “hops.” Use fewer devices from end to end.

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Contents Intel NetStructure Switch A21721-001 First Edition May Contents Page Quick Start Topic SeeIntel NetStructure 6000 Switch Modules User Guide Available Modules Per Ports per Features per Chassis SlotModule Installation Intel NetStructure 6000 Switch Modules User Guide Gigabit Ethernet Modules Setting Auto-negotiation Overview of the Gigabit Ethernet ModulesColor Definition Gigabit Ethernet ConfigurationCable Type Length Status BoardConfiguring ports LinkPort Type Cable Type Length Gigabit Ethernet Troubleshooting Symptom Possible Cause Course of ActionUse ifconfig Page Fast Ethernet Modules Overview of the Fast Ethernet Modules 100Mbps 10/100 Ethernet ConfigurationStatus Activity10/100 Ethernet Troubleshooting Possible Symptom Cause Course of ActionUse the clear fdb Agingtime commandUse 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.