Installation guide

Line card LED descriptions (Continued)TABLE 8
LED purpose Color Status Recommended action
Fast flashing amber (on 1/4
second, then off 1/4
second)
The transceiver or port is
faulty.
Change the transceiver or
reset the port by issuing a
shutdown and no
shutdown command
sequence.
Slow flashing green (on 2
seconds, then off 2
seconds)
The port is online but
segmented (either a
loopback cable or
incompatible device
connection).
Consult the Network OS
Software Troubleshooting
Guide.
Medium flashing green (on
1 seconds, then off 1
seconds)
Beaconing (used to identify
specific ports).
No action required.
Fast flashing green (on 1/2
second, then off 1/2
second)
Internal loopback
(diagnostic).
In diagnostic mode. Will
return to regular mode
when diagnostic is finished.
40 GbE QSFP Port Status
(12x40 GbE or 27x40 GbE
line card) in 40 GbE mode
No light (LED is off) There is no QSFP
transceiver installed.
Verify that the power LED
is on, ensure the
transceiver is fully seated
or install the transceiver.
Steady green The port is online but has
no traffic.
No action required.
Flickering green The port is online with
traffic flowing through the
port.
No action required.
Steady amber The port is receiving light
but it is not online yet.
Reset the port by issuing a
shutdown and no
shutdown command
sequence on the port.
Slow flashing amber (on 2
seconds, then off 2
seconds)
The port is disabled. Enable the port by issuing
the no shutdown
command.
Fast flashing amber (on 1/4
second, then off 1/4
second)
The transceiver or port is
faulty.
Change the transceiver or
reset the port by issuing a
shutdown and no
shutdown command
sequence.
Slow flashing green (on 2
seconds, then off 2
seconds)
The port is online but
segmented (either a
loopback cable or
incompatible device
connection).
Consult the Network OS
Software Troubleshooting
Guide.
Medium flashing green (on
1 seconds, then off 1
seconds)
Beaconing (used to identify
specific ports).
No action required.
System Monitoring
58 Brocade VDX 8770-8 Hardware Installation Guide
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