Brocade VDX 6740 Hardware Reference Manual
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LED activity interpretation
4
Brocade VDX 6740 Ethernet ports
All user ports -
includes both
1/10GbE
ports in either
1 GbE or 10
GbE mode and
40 GbE ports
in either 40
GbE or 4x10
GbE mode
Off (no light)
Port is in no shut state and no
cable or transceiver present, no
link, 40 GbE port in 4x10G
breakout mode has no cable, or
license is not available for the
port.
Insert SFP+ or QSFP with cable
connected to another port in no shut
state or connect cable to 40 GbE port.
Steady amber
Protocol down or no sync or
40 GbE port in 40G mode has
no cable.
Check the local port SFP+ or QSFP or
peer port SFP+ or QSFP and cable.
Slow blinking amber Port is shut or chassis disabled
or POST failed.
Enable the port.
Fast blinking amber Port is faulted, goes into shut
state.
Check messages for fault reason and
take necessary action.
Steady green
Link is present, no activity.
No action required.
Slow blinking green
Port is good except ISL is
segmented.
No action required.
Fast blinking green
Beaconing enabled.
No action required.
Flickering green
Online, frames flowing through
the port.
No action required.
Brocade VDX 6740T and Brocade VDX 6740T-1G Ethernet ports
Ethernet ports
in either 10
GbE or 1 GbE
mode (one
green LED per
port)
Off (no light)
Port is shut, no link, or no
license is available for this port.
Enable the port.
Steady amber
Protocol down or no sync.
Check the local port SFP+ or QSFP or
peer port SFP+ or QSFP and cable.
Slow blinking amber Port is shut or chassis disabled
or POST failed.
Enable the port.
Fast blinking amber Port is faulted, goes into shut
state.
Check messages for fault reason and
take necessary action.
Steady green
Link is present, no activity.
No action required.
Slow blinking green
Port is good except ISL is
segmented.
No action required.
Fast blinking green
Beaconing enabled.
No action required.
Flickering green
Online, frames flowing through
the port.
No action required.
TABLE 3
Port side LED patterns during normal operation (Continued)
LED name
LED color
Status of hardware
Recommended action