Chapter 1 Overview
Table
Port Mode | Color | Meaning |
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STAT | Off | No link. |
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| Solid green | Link present. |
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| Flashing green | Activity. Port is sending or receiving data. |
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| Alternating | Link fault. Error frames can affect connectivity, and errors such as |
| excessive collisions, CRC errors, and alignment and jabber errors are | |
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| monitored for a |
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| Solid amber | Port is not forwarding. Port was disabled by management, an address |
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| violation, or Spanning Tree Protocol (STP). |
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| Note After a port is reconfigured, the port LED can remain amber for |
|
| up to 30 seconds while STP checks the switch for possible loops. |
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DPLX | Off | Port is operating in half duplex. |
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(half or | Green | Port is operating in full duplex. |
full |
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duplex) |
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SPD | 10/100 ports |
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| Off | Port is operating at 10 Mbps. |
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| Green | Port is operating at 100 Mbps. |
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| 10/100/1000 ports | |
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| Off | Port is operating at 10 Mbps. |
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| Green | Port is operating at 100 Mbps. |
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| Flashing green | Port is operating at 1000 Mbps. |
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| SFP modules |
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| Off | Port is operating at 10 Mbps. |
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| Green | Port is operating at 100 Mbps. |
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| Flashing green | Port is operating at 1000 Mbps. |
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Catalyst 2940 Switch Hardware Installation Guide
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