Led Patterns - Cisco MDS 8/12c User Manual

LED patterns

Table 4 summarizes LED color and meaning.
Table 4 Port link status LED patterns
LED color
Solid green
Steady flashing green
Flashing green
Solid amber
Flashing amber
Off
Status of Hardware
Link is up.
Link is up (beacon used to identify port).
Link is up (traffic on port).
Link is disabled by software.
A fault condition exists.
No link.
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