Filter
Top Products
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.