Cisco Catalyst 9400 Series Hardware Installation Manual page 171

LEDs
LED
SFP or SFP+ UPLINK STATUS
Triangular LEDs pointing up or down,
indicating the status of the corresponding
port.
QSFP UPLINK STATUS
LEDs next to each QSFP port number,
indicating the status of the corresponding
port.
PORT SET ENABLED
There are four such LEDs on the
supervisor module faceplate:
• One for port numbers 1 to 4 (G1).
• One for port numbers 5 to 8 (G2).
• One for port number 9 (G3).
• One for port number 10 (G4).
Cisco Catalyst 9400 Series Supervisor Module LEDs
LED Color Meaning
SFP or SFP+ port link is up but there is no
Green
packet activity.
Blinking Green SFP or SFP+ port link is up and indicating
packet activity.
Amber SFP or SFP+ link is disabled by the user,
that is, administratively down.
Blinking Amber Hardware (PHY) has detected a faulty port
link.
Alternating Green Error packets are being detected on the port
and Amber link. The error packets could be bad Cyclic
Redundancy Check (CRC) packets, jumbo
packets, etc.
Off SFP or SFP+ port link is down.
QSFP port link is up but there is no packet
Green
activity.
Blinking Green QSFP port link is up and indicating packet
activity.
Amber QSFP port link is disabled by the user, that
is, administratively down.
Alternating Green Error packets are being detected on the
and Amber QSFP port link. The error packets could be
bad Cyclic Redundancy Check (CRC)
packets, jumbo packets, etc.
Off QSFP port link is down.
The port set is enabled.
Green
Note
Off The port set is not enabled.
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
Starting with Cisco IOS XE Fuji
16.8.1a, PORT SET ENABLED
LEDs for SFP or SFP+ ports are
supported.
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