Index

4DLT
components
4DLT Software Fundamentals
default configuration
The Default 4DLT Configuration
directories
Preparing for 4DLT Setup
installation
The Default 4DLT Configuration
Preparing for 4DLT Setup

adding login services
Adding Logins to the latservice File

adding printer services
Adding Printers to the latservice File
Binding to Printer Devices

advertised services parameters
Setting Advertised Service Parameters

balanced mode
Virtual Circuit Keep-alive Messages

binding to devices
Manual Binding to 4DLT Devices
Manual Binding to 4DLT Devices

circuit parameters
Setting Circuit Parameters

circuit timer
The Virtual Circuit Layer Circuit Timer

CPU rating
Setting the CPU Rating and LAT User Limits
Setting LAT Node Identification Parameters
Setting LAT Node Identification Parameters

credits
Slot Layer Flow Control
Setting Session Parameters

Data Link layer
LAT's Data Link Layer

datagrams
LAT's Data Link Layer

/dev/lats device
Setting STREAMS Configuration Parameters
purpose of
The LAT Driver—/dev/lats

/dev/snif device
Setting Ethernet Parameters
in the LAT protocol stack
Configuring the LAT Protocol Stack

/dev/ttyl device
Setting STREAMS Configuration Parameters

device files
Manual Binding to 4DLT Devices
How Printing Works

DNA reference model
LAT Network Architecture

dual purpose nodes
defined
LAT Networks and 4DLT
enabling
Operating as a Dual Purpose LAT Node
setting for
Setting Ethernet Parameters

dynamic service ratings. See service ratings .
LAT Service Ratings

/etc/chkconfig file
Starting 4DLT from a File

Ethernet interface parameters
Setting Ethernet Parameters

Ethernet interface. See also network interface.
The Default Network Interface for LAT

Ethernet packets
Setting Circuit Parameters

flow control
Slot Layer Flow Control

general purpose nodes
defined
LAT Networks and 4DLT
setting for
Setting Ethernet Parameters

group codes
assigning
Assigning Group Codes with slcp
assigning automatically
Automatic Group Code Assignments
defined
LAT Group Codes
effects of
Managing Group Codes
purpose of
LAT Group Codes

host-initiated request parameters
Setting Host-initiated Parameters

host-initiated requests
defined
Host-initiated Requests

HS_AS_TIMER parameter
Setting Advertised Service Parameters

HS_CB_HD_TIMER parameter
Setting Circuit Parameters

HS_CB_KA_TIMER parameter
Setting Circuit Parameters

HS_CB_MAX_SES parameter
Setting Circuit Parameters

HS_CB_MAXIMUM parameter
Setting LAT Configuration Limits

HS_CB_PROGRESS parameter
Setting Circuit Parameters

HS_CB_RETRIES
Setting Circuit Parameters

HS_CB_VC_TIMER parameter
Setting Circuit Parameters

HS_CPU_RATING parameter
Setting LAT Node Identification Parameters

HS_CREDITS parameter
Setting Session Parameters

HS_DLL_MAX parameter
Setting Circuit Parameters

HS_FACILITY parameter
Setting LAT Node Identification Parameters

HS_HI_CMD_RETRIES parameter
Setting Host-initiated Parameters

HS_HI_CMD_TIMER parameter
Setting Host-initiated Parameters

HS_HI_STS_TIMER parameter
Setting Host-initiated Parameters

HS_IDENT parameter
Setting LAT Node Identification Parameters

HS_INP_MAX parameter
Setting Circuit Parameters

HS_JOB_LIMIT parameter
Setting LAT Node Identification Parameters

HS_LE_LS_DUPS parameter
Setting Learned Service Parameters

HS_LE_ND_RETAIN parameter
Setting Learned Service Parameters

HS_LS_MAXIMUM parameter
Setting LAT Configuration Limits

HS_MULTI_ON parameter
Setting Ethernet Parameters

HS_ND_AGE_MAX parameter
Setting Learned Service Parameters

HS_ND_MAXIMUM parameter
Setting LAT Configuration Limits

HS_NODE parameter
Setting LAT Node Identification Parameters

HS_QR_MAXIMUM parameter
Setting LAT Configuration Limits

HS_SB_MAX_DATA parameter
Setting Session Parameters

HS_SB_MAXIMUM parameter
Setting LAT Configuration Limits

installing 4DLT
Preparing for 4DLT Setup

IRIX search path setup
Preparing for 4DLT Setup
Preparing User Environments for 4DLT

keep-alive messages
Virtual Circuit Keep-alive Messages

LAT configuration parameters
Setting LAT Configuration Limits

LAT database
defined
The LAT Database
initializing
Providing Initial Database Information
life-cycle events in
Summary of LAT Database Events
maintaining
Maintaining the LAT Database
organization of
How the LAT Database Works
purging
Purging Unavailable Nodes and Services
Setting Learned Service Parameters

LAT devices
Manual Binding to 4DLT Devices
How Printing Works

LAT network
architecture of
LAT Network Architecture
components of
LAT Network Fundamentals
defined
LAT Network Fundamentals
monitoring
Monitoring LAT

LAT protocol
LAT Networks and 4DLT

LAT protocol stack
The LAT Protocol Stack
Configuring the LAT Protocol Stack

LAT_CDEV parameter
Setting STREAMS Configuration Parameters

LAT_FDEV parameter
Setting STREAMS Configuration Parameters

LAT_STREAM_1 parameter
Setting STREAMS Configuration Parameters

LAT_STREAM_2 parameter
Setting STREAMS Configuration Parameters

LAT_STREAM_3 parameter
Setting STREAMS Configuration Parameters
Setting STREAMS Configuration Parameters

latconfig file
and the latd daemon
Providing Initial Database Information
Configuring the LAT Protocol Stack
changing
The 4DLT Configuration Utility—lati
The Default LAT Configuration File
changing with lati
Putting Your Changes into Effect
default contents of
The Default Permanent Database
The Default LAT Configuration File
overriding values in
Overriding Permanent Database Values
overwriting with slcp
Overwriting the Permanent Database
protocol stack in
Configuring the LAT Protocol Stack

latd daemon
functions of
The LAT Daemon—latd
starting
Using the Alternative Startup Command
The LAT Daemon—latd
starting
Starting 4DLT from the Command Line
stopping
Stopping and Restarting 4DLT

lati utility
main menu for
The LAT Configuration Utility Menu
selecting options from
Selecting Menu Options
setting advertised services parameters with
Setting Advertised Service Parameters
setting circuit parameters with
Setting Circuit Parameters
setting Ethernet parameters with
Setting Ethernet Parameters
setting host-initiated request parameters with
Setting Host-initiated Parameters
setting LAT limits with
Setting LAT Configuration Limits
setting learned services parameters with
Setting Learned Service Parameters
setting node parameters with
Setting LAT Node Identification Parameters
setting session parameters with
Setting Session Parameters
setting streams parameters with
Setting STREAMS Configuration Parameters
starting
The LAT Configuration Utility Menu

latservice file
adding services to
Adding to the Default LAT Services File
and the latd daemon
Multicasting Service Announcements
changing
Maintaining the LAT Services File
Changing the Default LAT Services File
contents of
Maintaining the LAT Services File
default contents of
The Default LAT Services File
example of
A Sample latservice File
maintaining
Maintaining the LAT Services File
permissions on
Changing the Default LAT Services File
purpose of
The Services File and Setup Utility
record syntax in
Changing the Default LAT Services File

learned services
Setting LAT Configuration Limits
The Services Directory
Setting LAT Configuration Limits

learned services parameters
Setting Learned Service Parameters

load balancing
Slot Layer Load Balancing

Local Area Transport. See LAT.
LAT Networks and 4DLT

login services
adding
Adding Logins to the latservice File
removing
Removing Logins from the latservice File

multicast timer
The LAT Multicast Timer

multicasting
service announcements
Multicasting Service Announcements
setting intervals for
Setting the LAT Service Announcement Timer
Setting Advertised Service Parameters

multicasting (service announcements)
LAT Service Announcements

multiplexing
by terminal servers
LAT Terminal Connections
Slot layer
Slot Layer Multiplexing
Virtual Circuit layer
LAT's Virtual Circuit Layer

NET_DEVICE parameter
Setting Ethernet Parameters

NET_STREAM_1 parameter
Setting STREAMS Configuration Parameters

NET_STREAM_2 parameter
Setting STREAMS Configuration Parameters

network interface
default
The Default Network Interface for LAT
displaying
Displaying the LAT Network Interface
specifying
Setting Ethernet Parameters
using non-default
Starting 4DLT with an Alternate LAN Interface

node description
changing
Changing the LAT Node Name or Description

node identification parameters
Setting LAT Node Identification Parameters

node name
changing
Changing the LAT Node Name or Description
default value of
Changing the LAT Node Name or Description
The Default LAT Node Name
setting with lati
Setting LAT Node Identification Parameters

nodes
defined
LAT Network Fundamentals
naming
The Default LAT Node Name
unknown
The Services Directory
unreachable
Purging Unavailable Nodes and Services
The User Interface Utility—slat

OSI reference model
LAT Network Architecture

packet size parameters
Setting Circuit Parameters

path setup
Preparing User Environments for 4DLT
Preparing for 4DLT Setup

permanent database
Also see latconfig file and volatile database.
The Permanent LAT Database
changing
The 4DLT Configuration Utility—lati
changing with lati
Putting Your Changes into Effect
default contents of
The Default Permanent Database
defined
The Permanent LAT Database
overriding values in
Overriding Permanent Database Values
overwriting with slcp
Overwriting the Permanent Database

Physical Link layer
LAT's Physical Link Layer

printer services
adding
Adding Printers to the latservice File
adding manually
Binding to Printer Devices
implementation of
How Printing Works
removing
Removing Printers from the latservice File

purging services
Purging Unavailable Nodes and Services

removing login services
Removing Logins from the latservice File

removing printer services
Removing Printers from the latservice File

removing service requests
Deleting LAT Service Queue Entries

root user account
for slcp commands
The 4DLT Maintenance Utility—slcp
modifying
Preparing for 4DLT Setup

run messages
Virtual Circuit Messages

S31lat initialization file
Automatic Startup With an Alternative LAN Interface
Automatic Group Code Assignments

service announcement timer
Setting the LAT Service Announcement Timer

service announcements
contents of
LAT Service Announcements
defined
LAT Service Announcements

Service Class layer
LAT's Service Class Layer

Service Class messages
Special Service Class Messages

service node directory
The Volatile LAT Database

service nodes
defined
LAT Service Node Functions

service queue
Deleting LAT Service Queue Entries
Setting LAT Configuration Limits

service ratings
defined
LAT Service Announcements
dynamic
Setting LAT Node Identification Parameters
Setting a LAT Service Rating
LAT Service Ratings
purpose of
LAT Service Ratings
setting
Setting a LAT Service Rating
Setting Learned Service Parameters
static
LAT Service Ratings
Setting a LAT Service Rating

services
adding
Adding to the Default LAT Services File
allocation of
LAT Service Management
and the latd daemon
Setting Up Incoming Service Connections
defined
LAT Network Fundamentals
deleting requests for
Deleting LAT Service Queue Entries

services directory
The Volatile LAT Database

session parameters
Setting Session Parameters

sessions
defined
LAT Sessions
setting maximum number of
Setting a Maximum on LAT Login Sessions
Setting LAT Configuration Limits

slat utility
functions of
The User Interface Utility—slat

slcp utility
and the latconfig file
The 4DLT Maintenance Utility—slcp
and the volatile database
The 4DLT Maintenance Utility—slcp
About the slcp Utility
changing node desciption with
Changing the LAT Node Name or Description
changing node names with
Changing the LAT Node Name or Description
changing the permanent database with
Overwriting the Permanent Database
command syntax for
Guidelines for Entering slcp Commands
displaying information with
Monitoring LAT
displaying options for
Displaying slcp Options
functions of
The 4DLT Maintenance Utility—slcp
purging the database with
Purging Unavailable Nodes and Services
setting CPU ratings with
Setting the CPU Rating and LAT User Limits
setting group codes with
Assigning Group Codes with slcp
setting maximum sessions with
Setting a Maximum on LAT Login Sessions
setting multicast timer with
Setting the LAT Service Announcement Timer
setting service ratings with
Setting a LAT Service Rating

Slot layer
LAT's Slot Layer

slots
Slot Layer Multiplexing

start messages
Virtual Circuit Messages

startup command
Starting 4DLT from the Command Line

startup file
Starting 4DLT from a File

startup procedures
Standard 4DLT Startup Procedures

static service rating. See also service rating
LAT Service Ratings

stop messages
Virtual Circuit Messages

streams configuration parameters
Setting STREAMS Configuration Parameters

svc_setup utility
adding services with
Adding Printers to the latservice File
Adding Logins to the latservice File
purpose of
The Services File and Setup Utility
removing services with
Removing Printers from the latservice File
removing services with
Removing Logins from the latservice File

terminal servers
defined
LAT Terminal Server Functions
printer connections to
LAT Printer Connections
terminal connections to
LAT Terminal Connections

terminals (LAT)
LAT Terminal Functions

time-out errors
Setting Circuit Parameters

ttyl devices
How Printing Works

unbalanced mode
Virtual Circuit Keep-alive Messages

unit numbers
Displaying the LAT Network Interface

unknown services
Setting Learned Service Parameters
Purging Unavailable Nodes and Services

user limits
Setting the CPU Rating and LAT User Limits

user workstation preparation
Preparing User Environments for 4DLT

user-initiated requests. See also host-initiated requests.
LAT User-initiated Requests

/usr/etc/lat/latconfig file. See latconfig file.
The Permanent LAT Database

/usr/etc/lat/latservice file. See latservice file.
The Services File and Setup Utility

/usr/etc/lat/svc_setup utility. See svc_setup utility
The Services File and Setup Utility

virtual circuit
LAT's Virtual Circuit Layer

Virtual Circuit layer
LAT's Virtual Circuit Layer

virtual circuit messages
Virtual Circuit Messages

virtual circuits
Setting LAT Configuration Limits

volatile database
and slcp
The 4DLT Maintenance Utility—slcp
contents of
The Volatile LAT Database