Cisco Systems 3750-X, 3560-X Mode LED Port Mode Description, Port Mode Port LED Color Meaning

Chapter 1 Product Overview

Front Panel Description

When you press the Mode button on any switch in the Catalyst 3750-X switch stack, all the stack switches change to show the same selected mode. For example, if you press the Mode button on the stack master to show the SPEED LED, all the other switches in the stack also show the SPEED LED.

Table 1-8	Port Mode LEDs
Mode LED	Port Mode	Description
STAT	Port status	The port status. This is the default mode.
SPEED	Port speed	The port operating speed: 10, 100, or 1000 Mb/s.
DUPLX	Port duplex mode	The port duplex mode: full duplex or half duplex.
		Note The 10/100/1000 ports operate only in full-duplex
		mode.
MAST1	Master	The stack master status
STACK1	Stack member status	The stack member status.
	StackWise port status	The StackWise port status. See the “Stack LED (Catalyst
		3750-X)” section on page 1-12.
PoE+2	PoE+ port power	The PoE+ port status.

1.Only Catalyst 3750-X switches.

2.Only switches with PoE+ ports.

		Table 1-9	Meaning of Switch LED Colors in Different Modes
		Port Mode		Port LED Color	Meaning
		STAT		Off	No link, or port was administratively shut down.
		(port status)
				Green	Link present, no activity.
				Blinking green	Activity. Port is sending or receiving data.
				Alternating	Link fault. Error frames can affect connectivity, and errors such as
				green-amber	excessive collisions, CRC errors, and alignment and jabber errors
					are monitored for a link-fault indication.
				Amber	Port is blocked by Spanning Tree Protocol (STP) and is not
					forwarding data.
					After a port is reconfigured, the port LED can be amber for up to 30
					seconds as STP checks the switch for possible loops.
		SPEED		10/100/1000 ports
				Off	Port is operating at 10 Mb/s.
				Green	Port is operating at 100 Mb/s.
				Single green	Port is operating at 1000 Mb/s.
				flash (on for
				100 ms, off for
				1900 ms)
				Network module slots
				Off	Port is not operating.
				Blinking green	Port is operating at up to 10 Gb/s.
	Catalyst 3750-X and 3560-X Switch Hardware Installation Guide
1-10					OL-19593-01