Cisco 17053 - Manual
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Table of Contents:
- Page 2 – Background Information; Purpose; errdisabled; Why Do Autonegotiation and Compatibility Issues Exist?
- Page 3 – Table 1Autonegotiation Valid Configuration
- Page 5 – show port modDport
- Page 6 – show interfaces type; States other than; Verifying Switch Port Configuration
- Page 7 – Adjust switch jitter tolerance.; Performance Notes
- Page 8 – Table 2Explanation of CatOS show port Command Counters
- Page 9 – Table 3Possible Causes for Incrementing CatOS Counters
- Page 10 – Table 4Explanation of CatOS show mac Command Counters
- Page 11 – Sniffer Trace
- Page 12 – Teaming of Network Interface Cards; Additional Troubleshooting for 1000BASE−X NICs; Gigabit Autonegotiation (No Link to Connected Device); Table 6Gigabit Autonegotiation Configuration Table; Verifying GBIC
- Page 13 – Table 7; errdisable
- Page 14 – Table 8; connected
- Page 15 – For detailed information on Cisco bug IDs, refer to the Bug Toolkit; Table 9; Bug ID
- Page 18 – NIC Compatibility and Operation Issues; NIC
- Page 22 – Allow
- Page 25 – Appendix B: Understanding How Autonegotiation Works
- Page 27 – Related Information; LAN Product Support Pages
Troubleshooting Cisco Catalyst Switches to NIC
Compatibility Issues
Document ID: 17053
Introduction
Prerequisites
Requirements
Components Used
Conventions
Background Information
Purpose
Why Do Autonegotiation and Compatibility Issues Exist?
General Troubleshooting for 10/100/1000 Mbps NICs
Autonegotiation Valid Configuration Table
EtherChannel and Trunking Between Catalyst Switches and NICs
Verifying Physical Connection and Link
Verifying Switch Port Configuration
Maintaining Link (Link Up/Down Situations)
Performance Notes
Understanding Data Link Errors
Sniffer Trace
Teaming of Network Interface Cards
Additional Troubleshooting for 1000BASE−X NICs
Gigabit Autonegotiation (No Link to Connected Device)
Verifying GBIC
Cisco Catalyst Switch Compatibility and Operation−Specific Issues
Catalyst 8510 and 8540 CSR
Catalyst 6000 and 6500 Switches
Catalyst 5000 and 5500 Switches
Catalyst 4000, 2948G, and 2980G Switches
Catalyst 2950 and 3550 Switches
NIC Compatibility and Operation Issues
Appendix A: Information to Gather Before Creating a Service Request
Appendix B: Understanding How Autonegotiation Works
Networking Professionals Connection Featured Conversations
Related Information
Introduction
The purpose of this document is to cover common issues associated with network interface cards (NICs) that
interoperate with Cisco Catalyst switches. Network issues, such as slow performance and connectivity
problems, as well as Catalyst switch issues that deal with physical connectivity and data link errors, can be
related to NIC issues.
Prerequisites
Requirements
There are no specific requirements for this document.
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Summary
Components Used This document is not restricted to specific software and hardware versions. Conventions Refer to Cisco Technical Tips Conventions for more information on document conventions. Background Information Purpose This document discusses how to troubleshoot these issues: Autonegotiation • P...
performance−related issues. The most common problems with NIC issues deal with speed and duplexconfiguration. Table 1 summarizes all possible settings of speed and duplex for FastEthernet NICs and switchports. Note: This section is only applicable for 10/100/1000 Mbps (1000BASE−T) NICs, and not 1000...
2 Some third−party NIC cards can fall back to half−duplex operation mode, even though both the switchport and NIC configuration are manually configured for 100 Mbps, full−duplex. This is because NICautonegotiation link detection still operates when the NIC is manually configured. This causes duplexi...
