Dell S3048-ON Configuration Manual page 434

Figure 58. Inspecting the LAG Status Using the show lacp command
The point-to-point protocol (PPP) is a connection-oriented protocol that enables layer two links over various different physical layer
connections. It is supported on both synchronous and asynchronous lines, and can operate in Half-Duplex or Full-Duplex mode. It was
designed to carry IP traffic but is general enough to allow any type of network layer datagram to be sent over a PPP connection. As its
name implies, it is for point-to-point connections between exactly two devices, and assumes that frames are sent and received in the same
order.
434 Link Aggregation Control Protocol (LACP)