Avaya DEFINITY Manual page 271

Field Names and Descriptions
Field Name
TCP/IP Connection
State
DLG Service State
Description
Read-only.
REACHABLE — The client is responding to ICMP
echo requests (host recognizes client but cannot
communicate).
UNREACHABLE — The client is not responding to
ICMP echo requests (host does not recognize
client).
CLOSED — The TCP connection has been closed.
LISTEN — TCP is listening for incoming
connections.
SYN SENT — TCP is actively trying to establish a
connection.
SYN RECEIVED — Initial synchronization of the
TCP connection is under way.
ESTABLISHED — The TCP connection has been
established. This is the steady state when the client
is connected.
CLOSE WAIT — The client has closed its TCP
connection. The MAPD's TCP is waiting for a close.
FIN WAIT 1 — The MAPD's TCP connection is
initiating a close.
CLOSING — The MAPD's TCP has notified the
client's TCP of its intent to close. It is now awaiting
acknowledgment.
LAST ACK — The client has closed its TCP
connection. The MAPD has closed its TCP
connection and is now awaiting acknowledgment.
FIN WAIT 2 — The MAPD's TCP connection has
initiated a close and is now awaiting shutdown from
the client's TCP.
TIME WAIT — The MAPD has closed its TCP
connection and is waiting for retransmission of the
shutdown from the client's TCP.
UNKNOWN — Self-explanatory. Contact the TSC.
Either in service or busied out.
Issue 3 May 2002 6-49