Meaning
Port LED Color
Port Mode
No link or port was administratively shut down.
Off
STAT (port
status)
Link present.
Green
Activity. Interface is sending or receiving data.
Blinking green
Link fault. Error frames can affect connectivity, and errors such as
excessive collisions, cyclic redundancy check (CRC) errors, and
alignment and jabber errors are monitored for a link-fault indication.
Alternating
green-amber
Port is blocked by Spanning Tree Protocol (STP) and is not forwarding
data.
After a port is reconfigured, the port LED can remain amber for up to
30 seconds as STP searches the switch for possible loops.
Amber
Port is blocked by STP and is sending and receiving packets.
Blinking amber
10/100/1000 ports
SPEED
Port is operating at 10 Mb/s.
Off
Port is operating at 100 Mb/s.
Green
Port is operating at 1000 Mb/s.
Blinking green
SFP module ports
Port is operating at 10 Mb/s.
Off
Port is operating at 100 Mb/s.
Green
Port is operating at 1000 Mb/s.
Blinking green
SFP+ module ports (Applies to the Catalyst 2960X-48FPD-L, 2960X-48LPD-L,
2960X-24PD-L, 2960X-48TD-L, and the 2960X-24TD-L switches.)
SFP+ module ports (Applies to the Catalyst 2960XR-48FPD-I, 2960XR-48LPD-I,
2960XR-24PD-I, 2960XR-48TD-I, and the 2960XR-24TD-I switches.)
Port is not operating.
Off
Port is operating at 10 Gb/s.
Blinking green
Port is operating at 1 Gb/s.
Green
Catalyst 2960-X and 2960-XR Switch Hardware Installation Guide
OL-28309-02
13
Product Overview
LEDs
