Post And Boot Specifications; Post - Brocade Communications Systems 5100 Hardware Reference Manual

POST and boot specifications

TABLE 1
LED Name
Port Status

POST and boot specifications

When the switch is turned on or rebooted, the switch performs POST. Total boot time with POST can
be several minutes. POST can be omitted after subsequent reboots by using the fastboot command
or entering the diagDisablePost command to persistently disable POST.
For more information about these commands, refer to the Fabric OS Command Reference Manual .

POST

The success or failure results of the diagnostic tests that run during POST can be monitored through
the error log or the command line interface.
24
Brocade 5100 LED Patterns During Normal Operation (Continued)
LED Color Status of Hardware
Steady amber There is a link.
Flickering amber There is link activity (traffic).
No light No signal or light carrier (media or
cable) detected.
Slow flashing green Port is online but segmented because
(flashing in two- of a loopback cable or incompatible
second intervals) switch connection.
Fast flashing green Port is online and an internal loopback
(flashing in half- diagnostic test is running.
second intervals)
Flickering green Port is online and frames are flowing
(steady with through the port.
random flashes)
Steady green Port is online (connected to external
device) but has no traffic.
Slow flashing Port is disabled (because of
amber (flashing in diagnostics or the portDisable
two-second command).
intervals)
Fast flashing amber Port is faulty.
(flashing in half-
second intervals)
Steady amber (for Port is receiving light or signal carrier
more than five at 4 Gbps; but is not yet online.
seconds)
Recommended Action
No action required.
No action required.
Check transceiver and cable.
No action required.
No action required.
No action required.
No action required.
Verify the diagnostic tests are not
running. Reenable the port using
the portEnable command.
Check the management interface
and the error log for details on the
cause of status.
Contact Technical Support if
required.
No action required.
Brocade 5100 Hardware Reference Manual
53-1000854-06