The table describes the LED status indicators for Ethernet modules or fixed-configuration switches: PlatformĮnsure that both sides have a link. If you have physical access to the switch, it can save time to look at the port LEDs which give you the link status or can indicate an error condition (if red or orange).
Physical Layer Troubleshooting Using the LEDs to Troubleshoot
Refer to Cisco Technical Tips Conventions for more information on document conventions. This document is not restricted to specific software and hardware versions. There are no specific requirements for this document. This document applies to Catalyst switches that run CatOS Software on the Supervisor or Cisco IOS ® System Software on the Supervisor. This document is intended to help determine why a port or interface experiences problems.
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