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Table 1-8, Figure 1-7 – Cisco 2900 SERIES XL User Manual

Page 36

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Chapter 1 Product Overview

100BASE-FX Ports

1-16

Catalyst 2900 Series XL Hardware Installation Guide

78-6461-03

Figure 1-7

shows bandwidth utilization percentages displayed by the right-most

LEDs.

Table 1-8

Meanings of Port Status LED Colors for Different Modes on Catalyst 2912 LRE XL and
2924 LRE XL Switches

Port Mode

Port LED Color

Meaning

LRE

Off

No LRE link present on the LRE port.

Green

LRE link present on the LRE port. Port LED turns green within
10 seconds after the LRE port detects a connection to a
Cisco 575 LRE CPE.

Amber

LRE port and WAN CPE port unable to establish the rate defined
by the assigned profile.The switch has detected a CPE, but has not
established an LRE link at the configured profile.

Note

The LED can be amber for a short period of time while
an LRE link is being established. However, if the LED
remains amber, there is a problem with the link between
the switch and the CPE.

STAT
(port status)

Off

No link.

Solid green

Link is present between LRE port and a CPE WAN port and also
between the CPE Ethernet port and the remote Ethernet device.

Flashing green

Activity. Port is transmitting or receiving data.

Alternating
green-amber

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.

Solid amber

Port is not forwarding. Port was disabled by management or an
address violation or was blocked by Spanning Tree Protocol (STP).

Note

After a port is reconfigured, the port LED can remain
amber for up to 30 seconds as STP checks the switch for
possible loops.

DUPLX

Off

Port is operating in half duplex.

Green

Port is operating in full duplex.

SPEED

Off

Port is operating at 10 Mbps.

Green

Port is operating at 100 Mbps.