
show tcp
2-589
Except for Establish, Closed and Listen, all states are associated with establishing and
closing a connection and are thus transitory.
Sample Display – show tcp connections
TCP Connections
---------------
Local Remote
Local IP Port Remote IP Port State
---------------- -------- ---------------- -------- ----------------
0.0.0.0 23 0.0.0.0 0 Listen
192.32.174.65 179 192.32.174.66 56834 Established
192.32.175.129 30751 192.32.175.130 179 Established
3 entries
SYN Received TCP has sent and received a connection request and is now waiting for the
remote TCP to confirm.
Established The connection is open. Data can be received and sent. This is the normal
state for data transfer.
Fini Wait 1 TCP is waiting for the remote TCP’s request to terminate the connection
(FIN segment), or is waiting for the remote TCP to acknowledge a previous
request to terminate.
Fini Wait 2 TCP is waiting for the remote TCP’s request to terminate the connection.
Close Wait TCP is waiting for the client to request to terminate the connection.
Last Ack TCP is waiting for the remote TCP to acknowledge the connection
termination request sent previously. This request also acknowledges the
remote TCP’s request to terminate the connection.
Closing TCP is waiting for the remote TCP to acknowledge its request to terminate
the connection.
Time Wait TCP is waiting for enough time to pass to be sure the remote TCP received
the acknowledgment of its request to terminate the connection.
Delete TCP The TCP connection is terminating in response to a network management
request.
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