6 MAINTENANCE
6-25
• Port
The port number of the remote host (destination of connection). If the IP address is not
bound with a socket, an asterisk (“*”) is displayed instead.
• State
The connection status of the TCP protocol. The connection state is one of the following
11 states:
Displayed symbol
Meaning
CLOSED
Currently not in use.
LISTEN
Waiting for a port to become available.
SYN_SENT
Although it issued a connect (SYN) request to the server,
has not received a response (ACK) from it.
SYN_RECEIVED
Has just received a connect (SYN) request from a client.
ESTABLISHED
Currently performing data communication using an
established TCP connection.
FINWAIT1
Server has sent out a FIN.
FINWAIT2
Has received an ACK.
CLOSEWAIT
Has received a FIN from the server.
LASTACK
Waiting for an ACK response to be sent out to the FIN.
CLOSING
Has received a FIN and is closing the connection.
TIMEWAIT
Waiting for the connection to be terminated.
Summary of Contents for CMU LPQ520
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Page 28: ...v 6 4 Replacing the CMU Module 6 49 6 4 1 Replacing the module 6 49 6 5 Trouble Report 6 51 ...
Page 30: ...1 SPECIFICATIONS ...
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