Chapter 3 – Software
MultiAccess Communications Server MA30120 User Guide 103
Network Connections
Click the
Network Connections
to display the status of all current (active) network connections to or from your
system. Information on the active protocol, receive queue, send queue, local address, foreign address, and
current state is shown for each of the MultiAccess‘s active Internet connections. It also shows you all of the
established TCP sessions and all of the TCP and UDP ports that the MultiAccess is listening to for incoming
connections. Connections through the MultiAccess are not shown.
Proto -
Protocol tcp, udp, and raw are used by the socket.
Recv-Q-
Receive Queue – The count of bytes not copied by the user program connected to this
socket.
Send-Q-
Send Queue – The count of bytes not acknowledged by the remote host.
Local Address-
IP address and port number of the local end of the socket.
Foreign Address-
IP address and port number of the remote end of the socket. If the final remote end
point is actually on a different network, the foreign address will be that of the first hop, interface of the
router off the local network.
State -
The state of the socket. Normally this can be one of several values:
ESTABLISHED -
The socket has an established connection.
SYNC_SENT -
The socket is actively attempting to establish a connection.
SYN_RECV-
A connection request has been received from the network.
FIN_WAIT1-
The socket is closed, and the connection is shutting down.
FIN_WAIT2-
Connection is closed, and the socket is waiting for a shutdown from the remote
end.
TIME_WAIT-
The socket is waiting after close to handle packets still in the network.
CLOSED-
The socket is not being used.
CLOSE_WAIT-
The remote end has shut down, waiting for the socket to close.
LAST_ACK-
The remote end has shut down, and the socket is closed. Waiting for
acknowledgement.
LISTEN-
The socket is listening for incoming connections.
CLOSING –
Both sockets are shut down but we still don’t have all our data sent.
UNKNOWN –
The state of the socket is unknown.
Summary of Contents for MultiAccess MULTIACCESS MA30120
Page 1: ...MA30120 User Guide ...
