FUJITSU XG Series P3NK-4452-01ENZD - Manual (Page 528)

XG Series User's Guide Chapter 5 Command Reference
Socket Status Display Commands 528
5) Remote address and port number
The remote address and its port number are displayed. If omitted, an asterisk (*)
is displayed instead.
6) Internal status of protocol
For TCP protocol, one of the following is displayed.
CLOSED
: No session is established yet.
CLOSE_WAIT : After the session was released, the close processing by the
application layer software has been awaited.
CLOSING : After the close processing was requested by application layer
software, and FIN was exchanged, an ACK reception has been
awaited.
ESTABLISHED: The session has been established.
FIN_WAIT_1 : After a FIN was sent, an ACK reception has been awaited.
FIN_WAIT_2 : A FIN reception has been awaited.
LAST_ACK
: After a FIN was exchanged, an ACK reception has been
awaited.
LISTEN : A session can be received.
SYN_RCVD : After a SYN-ACK was sent, an ACK reception has been
awaited.
SYN_SENT : After a SYN was sent, an SYN-ACK reception has been
awaited.
TIME_WAIT : Holding after release of session