o acknowledgment delay time
Default: None Value: 0-65
Maximum amount of time (in seconds) that an AK TPDU is to be
withheld. This attribute applies to protocol class 4 only.
o checksums
Default: None Value: True or false
Indicates whether checksums are in use on the transport
connection. This attribute is supported only for class 4
protocol.
o client
Default: None Value: Local entity name
Name designated by the port user when the port was opened. If DNA
session control is being used, this is the name of the session
control port being used.
o clns inactive area address (OpenVMS)
Default: none Value: Set of Area Address
Specifies the inactive area address used by the transport
template associated with this port. The maximum number of
members this set can contain is one.
o cons template
Default: None Value: Simple name
When operating over the CONS, the name of the X.25 Access
module's template specified when establishing the underlying
network connection.
o cr timeout
Default: None Value for Tru64 UNIX: 1-(2 raised to the
power of 31 -1)
Default: 30 Value for OpenVMS: 1-4294967295
Amount of time (in seconds) to wait for a response to a CR TPDU
before assuming that the remote transport service provider will
not respond. This attribute is valid for protocol classes 0 and 2
only.
o direction
Indicates whether the port is open to initiate an outgoing
connection, to receive an incoming connection, or is listening
for incoming connection requests.
unknown Port direction is not known.
incoming Transport connection initiated by remote transport
service.
outgoing Transport connection initiated by this transport
service.
listening Listening for incoming connection requests.
o er timeout
Default: None Value for Tru64 UNIX: 1-(2 raised to the
power of 31 -1)
Default: None Value for OpenVMS: 1-4294967295
Amount of time (in seconds) to wait for a response to an ER TPDU
before disconnecting the network connection. This attribute is
valid for protocol classes 0 and 2 only.
o expedited data
Default: None Value: True or false
Indicates whether the expedited data option is in use for the
transport connection. This attribute is supported only for class
2 and class 4 protocols.
o extended format
Default: None Value: True or false
Indicates whether the use of extended formats should be
negotiated for a transport connection which operates the
class 2 or 4 protocol.
o incoming network priority (OpenVMS)
Default: None Value: 0-255
When operating over CLNS, indicates network priority encoded in
NPDU header for all received packets.
o inactivity time
Default: None Value: 4-65532
Time (in seconds) being used for the inactivity timer. This
value is the product of multiplying the keepalive time by the
inactivity factor (architectural constant = 4). This attribute is
valid for protocol class 4 only.
o initial retransmit time
Default: None Value for Tru64 UNIX: 1-(2 raised to the
power of 31 -1)
Default: None Value for OpenVMS: 1-4294967295
Time (in seconds) used for the retransmission timer when sending
the first TPDU on the transport connection. The value of this
attribute is derived from the template used when the port was
initialized. This attribute applies to COTS only.
o keepalive time
Default: None Value: 1-16383
Time (in seconds) being used for the window timer. The value of
this attribute is derived from the template used when the port
was initialized. This attribute is valid for protocol class 4
only.
o local DTE address
Default: None Value: DTE address
Local DTE address being used for the transport connection. This
attribute applies if network service is CONS.
o local nsap
Default: None Value: NSAP address
Local NSAP address being used for the transport connection.
This attribute applies if network service is CLNS or CONS.
o local RFC1006 IP address (OpenVMS)
Default: None Value: IP address
Local IP address being used for the transport connection. This
attribute applies if network service is RFC1006.
o local RFC1006 port number (OpenVMS)
Default: None Value: TCP port number
Local RFC1006 port number being used for the transport connection.
This attribute applies if network service is RFC1006.
o local reference
Default: None Value: 1-65535
Unique reference number assigned to the transport connection by
the local transport service provider. This attribute applies to
COTS only.
o local transport selector
Default: None Value: Hex-string
Local transport selector for this port.
o maximum nsdu size
Default: None Value for Tru64 UNIX: 128-4294967295
Default: None Value for OpenVMS: 2048
When operating over the CONS, the maximum NSDU size for
transmitting and receiving buffers. Expressed as a number
of octets. This attribute is valid for CONS only.
o negotiable classes (Tru64 UNIX)
Default: None Value: Bit-set
Protocol classes which may be sent in response to an incoming
connect request. This attribute is valid if direction = listening
and applies to COTS only.
o negotiated tpdu size
Default: None Value: 128-4294967295
The TPDU size which was negotiated for this transport connection.
This attribute applies to COTS only.
o network port
Default: None Value: Local entity name
Name of the network service port being used.
o network service
Default: None Value: CLNS, CONS, or RFC1006
(OpenVMS)
Type of network service over which the transport connection is
operating. Attribute value derived from the template used when
the port was initialized.
CLNS Connectionless Network Service
CONS Connection-Oriented Network Service
RFC1006 ISO Transport Service on top of TCP
o outgoing network priority (OpenVMS)
Default: None Value: 0-255
When operating over CLNS, indicates network priority encoded in
NPDU header for all transmitted packets.
o protocol class
Default: None Value: 0, 2, or 4
Protocol class operating on the transport connection. This
attribute is not valid for CLTS.
o remote DTE address
Default: None Value: DTE address
Remote DTE address being used for the transport connection. This
attribute applies to COTS and if the network service is CONS.
o remote identifier
Default: None Value: Hex string
Implementation identity and version of the remote NSAP. When
present, this value is received in the identification of
implementation parameter of the CR or CC TPDU. This attribute
applies to COTS only.
o remote nsap
Default: None Value: NSAP address
Remote NSAP address being used for the transport connection. This
attribute applies to COTS and if network service is either CONS or
CLNS.
o remote reference
Default: None Value: 0-65535
Reference number assigned to the transport connection by the
remote transport service provider. The value will be 0 if the
transport connection is operating the class 0 protocol. This
attribute applies to COTS only.
o remote RFC1006 port number (OpenVMS)
Default: None Value: TCP port number
Remote TCP port number used for the transport connection. This
attribute applies to COTS and if the network service is RFC1006.
o remote RFC1006 IP address (OpenVMS)
Default: None Value: IP address
Remote IP address used for the transport connection. This
attribute applies to COTS and if the network service is RFC1006.
o remote transport selector
Default: None Value: Hex string
Remote transport selector that identifies the remote transport
service user. This attribute applies to COTS only.
o request acknowledgment
Default: None Value: True or false
Indicates whether request acknowledgment was negotiated for
this transport connection. This attribute is valid for class 4
protocol only.
o retransmit threshold
Default: None Value: 0-4294967295
Number of times a TPDU requiring acknowledgment is to be
retransmitted without acknowledgment before the transmission
completes with an error. This attribute is valid for class 4
protocol only.
o round-trip delay estimate
Default: None Value for Tru64 UNIX: 1-4294967295
Default: None Value for OpenVMS: 0-4294967295
Current estimate (in milliseconds) of the round-trip delay on the
transport connection. This attribute is valid for protocol class
4 only.
o send implementation id
Default: None Value: True or false
Indicates whether the implementation id will be sent in the CR.
It is always returned in the CC if it is present in the CR.
o send preferred maximum TPDU size
Default: None Value: True or false
Indicates whether the preferred maximum TPDU size parameter was
sent in the CR or CC TPDU.
o send request acknowledgment (OpenVMS)
Default: None Value: True or false
Indicates whether the request acknowledgment parameter was sent
in the CR or CC TPDU.
o type
Default: None Value: CO or CL
Indicates that the port is being used for the connection-oriented
(CO) Transport protocol.
CL Connectionless transport service.
CO Connection-Oriented transport service.
o uid
Default: None Value: uid
Entity's unique identifier, which is generated when the entity is
created.
o use clns error reports
Default: None Value: True or false
When operating over CLNS, indicates whether the network Routing
layer's error reporting facility should be used when performing
connection establishment. This attribute applies to COTS only.