manufacturer patches and

 

 

 

utility software are

 

 

 

installed.

 

 

 

 

Xircom XE2000

Does not

NIC only

Known limitation of

PCMCIA NIC

XE2000 NIC. Refer to

autonegotiate to 100

autonegotiates to 100

 

the XE2000 release

 

Mbps, full−duplex.

Mbps, half−duplex.

 

notes.

 

 

 

 

 

 

 

Appendix A: Information to Gather Before Creating a Service Request

If the troubleshooting procedure outlined in this document does not resolve your issue, you need to create a service request with Cisco Technical Support. Before you create a service request, gather this information:

1.Identify the specific problem with NIC−to−switch interoperability.

For example, is the problem only with DHCP, Novell IPX, login, or performance?

2.Issue the show tech−support command from all affected Cisco devices, if applicable; or, issue the show module, show config, show version, or the show port commands.

3.Know the make and model of the NIC.

4.Know the operating system and the NIC driver version.

5.Verify the consistency of the problem.

For example, does the problem occur across multiple Catalyst switches?

Appendix B: Understanding How Autonegotiation Works

Autonegotiation uses a modified version of the link integrity test that is used for 10BASE−T devices to negotiate speed and exchange other autonegotiation parameters. The original 10BASE−T link integrity test is referred to as Normal Link Pulse (NLP). The modified version of the link integrity test for 10/100 Mbps autonegotiation is referred to as FLP. The 10BASE−T devices expect a burst pulse every 16 (+/− 8) milliseconds (msec) as part of the link integrity test. FLP for 10/100 Mbps autonegotiation sends these bursts every 16 (+/− 8) msec with the additional pulses every 62.5 (+/− 7) microseconds. The pulses within the burst sequence generate code words that are used for compatibility exchanges between link partners. This process of FLP used in autonegotiation maintains backward compatibility with existing 10BASE−T connections, with the pulse burst every 16 (+/− 8) msec to comply with the link integrity test for normal 10BASE−T hardware. If a device sends FLP and only receives NLP, the hardware immediately ceases transmission of the FLP and enables the standard 10BASE−T hardware to continue 10BASE−T operation.

This table describes the possible programmable options of the control register for a FastEthernet interface. These options determine how the FastEthernet interface functions when connected to a link partner. The 0 in the Bits column refers to the programmable register address, and the decimal number after the 0 refers to the bit placement within the 16−bit register.

Table 12￿Physical Interface (PHY) Control Register Programmable Options

Bits

Name

0.15 Reset

Description

1 = PHY reset

0 = normal mode

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Cisco Systems 17053 appendix Appendix B Understanding How Autonegotiation Works
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17053 specifications

Cisco Systems 17053 is a robust and versatile networking solution designed to meet the demands of modern data centers and enterprise environments. This device is part of Cisco's comprehensive portfolio of networking products, offering high performance, reliability, and scalability to help organizations enhance their connectivity and operational efficiency.

One of the main features of the Cisco 17053 is its support for advanced routing protocols, including OSPF, BGP, and EIGRP. These protocols enable seamless communication and data exchange across complex networks, ensuring that information is transmitted swiftly and effectively. This is particularly important for organizations that rely on real-time data and applications, such as financial services or online retail.

In addition to its routing capabilities, the Cisco 17053 boasts powerful security features. It provides robust firewall protection, VPN support, and advanced threat detection and mitigation mechanisms. These security measures help protect sensitive data from unauthorized access and cyber threats, ensuring that organizations can operate safely in today's increasingly interconnected world.

Moreover, the Cisco 17053 is equipped with advanced Quality of Service (QoS) functionalities. This feature allows network administrators to prioritize critical applications and ensure consistent performance even during times of high traffic. By managing bandwidth effectively, organizations can reduce latency and improve user experiences across various applications.

Scalability is another key characteristic of the Cisco 17053. The device can easily integrate into existing networks and expand as organizational needs grow. This modularity allows businesses to adapt their infrastructure without the need for a complete overhaul, saving time and resources.

Additionally, the Cisco 17053 supports various access technologies, including Ethernet and fiber connections, which provide flexibility in deployment. The device is designed to accommodate different network topologies, making it suitable for both small businesses and large enterprises.

Lastly, Cisco offers comprehensive support and services for the 17053, including training resources, technical support, and regular software updates. This dedication to customer service ensures that organizations can maximize their investment and stay ahead in an ever-evolving technological landscape.

In conclusion, the Cisco Systems 17053 is a feature-rich networking solution that combines advanced routing protocols, robust security measures, and exceptional scalability. With its ability to enhance network performance and offer comprehensive support, it stands out as a reliable choice for organizations looking to optimize their networking capabilities.
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