Cambium Networks PTP 820 Series User Manual page 750

Chapter 15: Configuration Guide (CLI)
The following table describes the LACP port statistics.
Table 143 LACP port statistics.
Parameter
LACPDU RX
LACPDU TX
Illegal RX
Unknown RX
Definition
The number of LACPDUs that this port has received.
The number of LACPDUs that this port has transmitted.
The number of illegal protocol frames that this port has received.
The number of unknown protocol frames that this port has received.
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Configuring Link Aggregation (LAG) and LACP (CLI)