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Ethernet management port LED patterns
The Ethernet management port has two LEDs to indicate Ethernet speed ( 6
Figure 8 on page 31) and Ethernet link ( 7 ). Table 11 describes the meaning of
different displays of the Ethernet LEDs and recommended action, if any.
Table 11. Management port LED patterns
LED name
LED color
Ethernet
no light
speed
steady green
(left LED)
Ethernet link
no light
(right LED)
steady green
flashing green
Port status LED patterns
There is one LED below each Fibre Channel port ( 10 in Figure 8 on page 31) and
one LED below each Ethernet port ( 12 ) to indicate how that particular port is
functioning. Table 12 describes the meaning of different displays of the port LEDs
and recommended action, if any.
Table 12. Port status LED patterns
LED color
Status of hardware
No light
Indicates one of the following:
v Router is off or not connected to
power.
v No signal or light carrier (SFP or
cable) detected.
v Router may be initializing.
v Connected device is configured in an
offline status
Steady green
Port is online (connected to external
device) but has no traffic.
Slow-flashing green
Port is online but segmented because of
(on 1 second; then
a loopback cable or incompatible router
off 1 second)
connection.
Fast-flashing green
Port is online and an internal loopback
(on 1/4 second;
diagnostic test is running.
then off 1/4 second)
Flickering green
Port is online and data is flowing through
the port.
Steady amber
Port is receiving light or signal carrier,
but it is not online yet.
Slow-flashing amber
Port is disabled because of diagnostics
(on 2 seconds; then
or the portdDisable command.
off 2 seconds)
Fast-flashing amber
SFP or port is faulty.
(on 1/2 second;
then off 1/2 second)
Status of hardware
Port speed is 10 Mbps
Port speed is 100 Mbps
There is no link.
There is a link.
There is link activity (traffic).
Chapter 3. Managing the router and monitoring components
Recommended action
No action required.
No action required.
Verify that the Ethernet cable is
connected correctly.
No action required.
No action required.
Recommended action
v Verify the power LED is on.
v Check the transceiver and cable.
v Verify the router has completed booting and
POST.
v Verify the status of the connected device.
No action required.
Verify that the correct device is attached to the
router.
No action required.
No action required.
No action required.
Reset the port.
Note: The portCfgPersistentDisable command is
persistent across reboots. Use the portCfgDefault
command to return the port to its default (enabled)
status.
Replace the SFP.
Reset the port. If the problem does not resolve,
contact IBM.
33
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