Port Modes And Leds - Cisco Catalyst 2950 Software Configuration Manual

Front Panel View

Port Modes and LEDs

The port modes
you change port modes, the meanings of the port LED colors
The bandwidth utilization mode (UTL LED) does not appear on the front-panel images. Select Reports
Note
> Bandwidth Graphs to display the total bandwidth in use by the switch. Refer to the switch hardware
installation guide for information about using the UTL LED.
To select or change a mode, click the Mode button until the desired mode LED is green.
Table 3-4 Port Modes
Mode LED Description
STAT Link status of the ports. Default mode.
DUPLX Duplex setting on the ports. The default setting on the 10/100 ports is auto. The default setting
on the 10/100/1000 ports is full.
SPEED Speed setting on the ports. The default setting on the 10/100 and 10/100/1000 ports is auto.
Table 3-5 Port LEDs
Port Mode Port LED Color
STAT Cyan (off)
Green
Amber
Brown
DUPLX Cyan (off)
Green
SPEED Cyan (off)
Green
Blinking green
Catalyst 2950 Desktop Switch Software Configuration Guide
3-8
(Table 3-4) determine the type of information displayed through the port LEDs. When
Description
No link.
Link present.
Link fault. Error frames can affect connectivity, and errors such as excessive
collisions, CRC errors, and alignment and jabber errors are monitored for a link-fault
indication.
Port is not forwarding. Port was disabled by management, by an address violation,
or was blocked by Spanning Tree Protocol (STP).
After a port is reconfigured, the port LED can remain amber for up to
Note
30 seconds as STP checks the switch for possible loops.
No link and port is administratively shut down.
Port is operating in half-duplex mode.
Port is operating in full-duplex mode.
Port is operating at 10 Mbps (10/100 ports) or no link (10/100/1000 ports and GBIC
module ports).
Port is operating at 100 Mbps (10/100 ports) or 1000 Mbps (GBIC module ports).
Port is operating at 1000 Mbps (10/100/1000 ports).
Chapter 3 Getting Started with CMS
(Table 3-5) also change.
78-11380-04