TABLE 3 Port side LED patterns during normal operation (continued)
LED name LED color Status of hardware Recommended action
Ethernet ports in either 10 GbE or
1 GbE mode (one green LED per
port)
O (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 has faulted and 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 owing through the
port.
No action required.
40 GbE Ethernet ports (QSFP) in
40 GbE mode(one bicolor LED
[green and amber] per port)
O (no light) Port is no shut and no QSFP is
inserted or 40G port on demand
(POD) license not installed.
Connect media and cable or install
POD license.
Steady green Link is present, no activity. No action required.
Blinking green Beaconing enabled, online with
frames owing through the port.
No action required.
Steady amber QSFP is inserted but no ber or link
detected.
Insert cable or check cable on peer
40 GbE port.
Flashing amber Port is shut or chassis disabled or
POST failed
Check messages.
40 GbE Ethernet ports (QSFP) in
4x10 GbE breakout mode (one
bicolor LED [green and amber] per
40 GbE port)
O (no light) All of the enabled ports (no shut)
have no media or cable or one, two,
or three ports are shut. The 40G
port on demand (POD) license not
installed.
Connect media and cable or install
POD license.
Steady green All no shut ports are online. Any
unused ports must be shut.
No action required.
Blinking green Beaconing enabled, online with
frames owing through the port.
No action required.
Steady amber Some no shut ports are not
connected.
Ensure that any unconnected ports
are shut.
Flashing amber All four breakout ports are shut or
chassis is disabled or POST failed.
Check messages.
The following table describes the LEDs on the non-port side of the device..
TABLE 4 Non-port-side LED patterns during normal operation
LED name LED color Status of hardware Recommended action
Power supply and fan assembly
status (one LED [green] per power
supply and fan assembly)VDX
6740
O (no light) Assembly is not receiving power or
is turned o.
Verify the assembly is on and
seated and the power cord is
connected to a functioning power
source.
Steady green Assembly is operating normally. No action required.
LED activity interpretation
ExtremeSwitching VDX 6740 Hardware Installation Guide
102 9036108-00
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