set sdlc link The set sdlc link command let you set the attributes for the SDLC Link subentity. The SDLC Link subentity defines the data link attributes that are shared by its Station subentities. Ex, ncl> set sdlc link sdlc-0 capability = primary
1 – Characteristics
Line local entity Specifies the Modem Connect Line on
name which the SDLC protocol operates.
This attribute is settable only
when the Link is disabled. For
more information about Modem
Connect Line refer to the
DECnet-Plus Network Control Language
Reference.
Capability primary | Specifies the capability of the
secondary | Station subentities of this Link
negotiable entity. Negotiable stations can
become either primary or secondary.
This attribute is settable only when
the Link is disabled. The default is
negotiable.
Configuration pointtopoint | Specifies whether the Link supports
multipoint only a point-to-point connection or
can also support a multipoint
connection. Multipoint supports one
or more than one connection. This
attribute is settable only when the
Link is disabled. The default is
pointtopoint. The Peer Server does
not support multipoint primary
connections.
Connection nonswitched | Specifies whether the Link supports
Type switched switched or nonswitched connections.
This attribute is settable only when
the Link is disabled. The default is
nonswitched.
Receive (1-32764) Specifies the maximum frame size
Frame (excluding the header) that can be
Size received on the line represented by
this Link. This attribute is settable
only when the Link is disabled. The
default is 1000.
Reply Timer (100-60000) Specifies the time (in milliseconds)
to wait for an acknowledgment before
starting the recovery procedure. The
default is 3000.
Retry (0-128) Specifies that, when the Link is
Maximum secondary, this is the maximum
number of times a frame is
retransmitted before assuming a
fatal error. When the Link is
primary, this is the number of times
that a retry will be tried. This
attribute is settable only when the
Link is disabled. The default is 15.
Poll Pause (0-60000) The time in milliseconds to pause
when the end of the polling list is
reached. Used only when the Link is
primary. The default is 200.
Service (1-255) Specifies the maximum number of
Limit regular scans of the Service Order
Table for secondary Stations that
will be made before a special scan
is made. Used when the Link is
primary. Is settable only when the
Link is disabled. The default is 4.
Not used at this time.
TWA Send no | yes Specifies whether the Link provides
Priority priority for outbound services when
configured for Two-Way Alternating
(half-duplex) data transfer in the
multipoint primary mode. Yes
means that PIUs that arrive for
transmission while data is being
received are transmitted immediately.
No, the default, means that outbound
transmission is strictly determined
by the position of station service
order entries in the service order
table.
This attribute is not relevant to
SDLC point-to-point operations. This
attribute is settable only when the
Link is disabled. Not used at this
time.