DescriptionPort ModeMode LED
Stack member status.
The StackWise port status. See STACK LED, on page 111.
Stack member status
StackWise port status
STACK
The PoE+ port status.The PoE+ port status.PoE
5
5
Only switches with PoE+ ports.
Table 29: Meaning of Switch LED Colors in Different Modes
MeaningPort LED ColorPort Mode
No link, or port was administratively shut down.OffSTAT (port status)
Link present, no activity.Green
Activity. Port is sending or receiving data.Blinking green
Link fault. Error frames can affect connectivity, and errors
such as excessive collisions, 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 be amber
for up to 30 seconds as STP checks the switch for possible
loops.
Amber
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
113
Switch LEDs
Switch LEDs
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