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latcp(8)							     latcp(8)



NAME

  latcp	- Local	Area Transport (LAT) Control Program

SYNOPSIS

  /usr/sbin/latcp [options]

OPTIONS

  This section is organized by the tasks you can perform with the latcp	com-
  mand.	 Each task subsection provides the latcp command syntax	and the
  options to use to complete the tasks.

  Starting LAT


  Syntax:

  latcp	-s

  -s  Starts LAT and enables LAT connections.  If the following	LAT parame-
      ters have	not been set, they take	on the default values:

	+  Node	name --	The default value is the host name.

	+  Multicast timer -- The default value	is 60 seconds.

	+  Network adapter -- The default is all network adapters connected
	   to broadcast	media.

	+  Service name	-- The default value is	taken from the LAT node	name
	   parameter. This default service is an unbound interactive service.

	   The following parameters are	set to the following defaults for
	   each	service, unless	specified:

	     --	Service	description -- The default value is "Tru64 UNIX	Ver-
		sion X.X LAT SERVICE."

	     --	Rating -- The default is dynamic rating.

	     --	Group code -- The default value	is 0.

	+  Outgoing port groups	-- The default value is	0.

	+  Agent status	-- The default is disabled.

	+  Maximum number of learned services -- The default value is 100.





  Halting LAT


  Syntax:

  latcp	-h

  -h  Shuts down LAT and disables LAT connections.

  Adding a Service on a	Host Node


  Syntax:

  latcp	-A  -aservice [-idescription] [-o  | -ptty_list]

  -A  Adds a service on	the host node.

  -aservice
      Specifies	the name of the	service	to add.	The service name must conform
      to the rules specified in	the DESCRIPTION	section.

  -idescription
      Sets the service identification to the value specified by	the descrip-
      tion field.  The description field can contain up	to 64 characters.  If
      the field	contains more than one word, you must enclose the string in
      double quotation marks ("). If you do not	specify	a value	for the
      description field, the default identification string ("Tru64 UNIX	Ver-
      sion X.X LAT Service") is	used.

  -o  Indicates	that the service you are adding	is an optional or dedicated
      service to be used by specialized	applications (such as an application
      service).	For example, you must use the -o option	when adding the	ser-
      vice used	for the	LAT/Telnet gateway.  Do	not specify this option	with
      the -p option. For more information, refer to the	Network	Administra-
      tion: Connections	manual.

      Services added without the -o option are default services.  These	ser-
      vices are	used for making	interactive connections	to the Tru64 UNIX LAT
      host through getty entries that are spawned from the /etc/inittab	file.

  -ptty_list
      Identifies this service as a bound interactive service, and binds	the
      specified	LAT terminal devices to	the named service.  See	lat_intro(7)
      for a description	of bound services.  Do not specify this	option with
      the -o option.

      The tty_list can be a single LAT terminal	device or a list of LAT	ter-
      minal devices separated by commas	with no	spaces.	 The LAT terminal
      device name syntax is only restricted by the name	of the LAT terminal
      device in	the device directory.  The following example adds the bound
      interactive service siteapp and binds devices 620, 621, 622, and 623 to
      the service.
	   # latcp -A -asiteapp	-p620,621,622,623



  Mapping an Application Port


  Syntax:

  latcp	-A  -ptty -Hremote_node	{ -Rremote_port	| -Vremote_service } [-Q]
  [-wpassword |	-W]

  -A  Maps an application port on the host node.

  -ptty
      Identifies the LAT terminal device to be mapped to an application	port.
      The LAT terminal device name syntax is only restricted by	the name of
      the LAT terminal device in the device directory.

      Application ports	are typically not mapped using a LAT terminal device
      that is also used	in the /etc/inittab file.  This	is only	done if	a
      dedicated	terminal device	(tty) on a specific terminal is	desired.  For
      information on how to provide a dedicated	tty on a terminal, see the
      Network Administration: Connections manual.

      If a connection is to be made to a specific port for a service, specify
      the server port name. No default values are available for	the input
      fields when creating an application port.

  -Hremote_node
      Identifies the remote node (terminal server) to be mapped	to the LAT
      terminal device specified	by -ptty.  The -H option is required for map-
      ping application ports. The remote node name must	conform	to the rules
      specified	in the DESCRIPTION section.

  -Rremote_port
      Identifies the name of the remote	port on	a server that is to be mapped
      to the LAT terminal device specified by -ptty. The remote	port name
      must conform to the rules	specified in the DESCRIPTION section.  Do not
      use this option with the -V option.

  -Vremote_service
      Identifies the service name offered by the server	that is	to be mapped
      to the LAT terminal device specified by -ptty. The service name must
      conform to the rules specified in	the DESCRIPTION	section.  Do not use
      this option with the -R option.

  -Q  Specifies	that the type of access	requested is nonqueued.	 There are
      two types	of access requests: queued and nonqueued.  A queued or non-
      queued request is	accepted by the	server if the remote port is free.
      If the remote port is busy and queuing is	enabled	on the server, a
      queued request is	queued on the server until the port becomes avail-
      able; a nonqueued	request	is rejected immediately.

      If you do	not specify the	-Q option, the application port	is set to
      queued by	default.

  -wpassword | -W
      Allows the user to specify the password for the remote service that
      will be accessed through the mapped application port.  When the remote
      service to be accessed has password checking enabled, this password is
      needed or	the connection is rejected.  The password is not case sensi-
      tive and spaces are disallowed.

      When using the -w	option,	the password is	specified on the command line
      and is visible.  When the	-W option is used, the user will be prompted
      for the password and it will not be echoed.

      The -w option should be used when	adding this command to the LAT
      /etc/latstartup.conf startup file.  When you use this method, it is
      recommended that the /etc/latstartup.conf	file have read and write per-
      mission for root only.

      To change	(or remove) the	password, delete the application port (latcp
      -D -ptty)	and add	it back	with the new password (or without a pass-
      word).



  Mapping an Outgoing Port


  Syntax:

  latcp	-A  -ptty -O  -V learned_service [-Hremote_node	[-Rremote_port]]
  [-wpassword |	-W]

  -A  Maps an port on the host node.  The -O option identifies the type	of
      port.

  -ptty
      Identifies the LAT terminal device to be mapped to an outgoing port.
      The LAT terminal device name syntax is only restricted by	the name of
      the LAT terminal device in the device directory.

  -O  Identifies the mapped port as an outgoing	port.

  -Vlearned_service
      Identifies the service name offered by the remote	node that is to	be
      mapped to	the LAT	terminal device	specified by -ptty. The	service	name
      must conform to the rules	specified in the DESCRIPTION section.

  -Hremote_node
      Identifies the remote node that provides the service specified by
      -Vlearned_Service. The -H	option is optional when	mapping	an outgoing
      port. The	remote node name must conform to the rules specified in	the
      DESCRIPTION section.

  -Rremote_port
      Identifies the name of the remote	port on	the remote node	(remote_node)
      that provides the	service	specified by -Vlearned_service.	The -R option
      must be specified	with the -H option, but	is optional.  The remote port
      name must	conform	to the rules specified in the DESCRIPTION section.

  -wpassword | -W
      Allows the user to specify the password for the remote service that
      will be accessed through the outgoing port.  When	the remote service to
      be accessed has password checking	enabled, this password is needed or
      the connection is	rejected.  The password	is not case sensitive and
      spaces are disallowed.

      When using the -w	option,	the password is	specified on the command line
      and is visible.  When the	-W option is used, the user will be prompted
      for the password and it will not be echoed.

      The -w option should be used when	adding this command to the LAT
      /etc/latstartup.conf startup file.  When you use this method, it is
      recommended that the /etc/latstartup.conf	file have read and write per-
      mission for root only.

      To change	(or remove) the	password, delete the outgoing port (latcp -D
      -ptty) and add it	back with the new password (or without a password).

  Adding a Reserved Service


  Syntax:

  latcp	-A  -V reserved_service

  -A  Adds a reserved service on the host node.

  -Vreserved_service
      Specifies	the name of the	reserved service to add.  A reserved service
      is a permanent entry in the learned services database.  The reserved
      service name must	conform	to the rules specified in the DESCRIPTION
      section.

      If the reserved service does not exist, a	new reserved service is
      created.	If the specified reserved service is an	existing learned
      service, the learned service is marked as	a reserved service.

  Setting the Maximum Number of	Learned	Services


  Syntax:

  latcp	-ccount

  -ccount
      Sets the maximum number of learned services in the local learned ser-
      vices database to	count.	The value of count can range from 0 to 1000.
      The actual number	of learned services can	range from 1 to	1000.  A
      value of zero (0)	indicates that the maximum number of learned services
      is restricted by the amount of system memory.  By	default, the maximum
      number of	learned	services is 100.

  Deleting Services and	Ports


  Syntax:

  latcp	-D  { -aservice	| -vreserved_service | -ptty_list }

  -D  Deletes a	service	or reserved service, or	unmaps an application port or
      outgoing port from the host node.	 You must specify either a service
      (-a), a reserved service (-v), or	a port (-p) with the -D	option.

  -aservice
      Specifies	the service to be deleted.  When a service is deleted, active
      sessions associated with the service remain.

      When a service is	deleted, it is no longer available to terminal server
      users.  If a service name	is not specified, an error message is gen-
      erated.

  -vreserved_service
      Specifies	the name of the	reserved service to be deleted.	 When a
      reserved service is deleted, active sessions associated with the ser-
      vice remain.

      When a reserved service is deleted, it is	removed	from the learned ser-
      vice database on the host	node.

  -ptty_list
      Unmaps the specified list	of LAT terminal	devices	from the application
      port or outgoing port to which they were bound.  The list	can be a sin-
      gle LAT terminal device or a list	of LAT terminal	devices	separated by
      commas.

      When you delete a	bound interactive service the ttys bound to it are
      unbound.	If the ttys remain in the /etc/inittab file they will become
      associated with any existing unbound interactive services. For more
      information, see the description in the Binding and Unbinding LAT	Dev-
      ices to Bound Interactive	Services section.

      If there is only one unbound interactive service running on the system,
      you cannot delete	it.

      When an application port is unmapped, the	port is	unmapped from its
      associated virtual terminal line;	any active session remains active.






  Binding and Unbinding	LAT Devices to Bound Interactive Services


  Syntax:

  latcp	[-ptty_list | -Ptty_list] [-aservice]

  -ptty_list | -Ptty_list
      Binds (-p) or unbinds (-P) the specified list of LAT terminal devices
      to the specified bound interactive service. The list can be a single
      LAT terminal device or a list of LAT terminal devices separated by com-
      mas. The following example binds LAT devices 620,	621, 622, and 623 to
      the bound	interactive service siteapp.  Not that only the	last com-
      ponent of	the LAT	terminal devices needs to be specified (for example,
      620 instead of /dev/lat/620).
	   # latcp -p 620,621,622,623 -asiteapp

      When you bind LAT	terminal devices to a service, they cannot be used
      for other	services.

      When LAT terminal	devices	are unbound from a bound interactive service,
      the devices should be removed from the /etc/inittab file before you
      unbind them.  If the entries remain in the /etc/inittab file after you
      unbind them from the service, the	getty process running on that device
      exits and	is respawned.  When the	getty process is respawned, the	dev-
      ice becomes associated with the existing unbound interactive services.
      If this behavior is not desired, remove the entries from the
      /etc/inittab file.

  -aservice
      Specifies	the service to be bound	or unbound.

  Setting the Service Identification


  Syntax:

  latcp	-idescription -aservice

  -idescription
      Sets the service identification to the specified value.  The descrip-
      tion field can contain up	to 64 characters.  If the field	contains more
      than one word, you must enclose the string in double quotation marks
      (").

  -aservice
      Specifies	the service for	which you are changing the service identifi-
      cation.

      The -aservice option is required.	 The service name must conform to the
      rules specified in the DESCRIPTION section.









  Enabling and Disabling Service Node Groups


  Syntax:

  latcp	[-glist	| -Glist] -aservice

  -glist | -Glist
      Enables (-g) and disables	(-G) the service node groups specified in the
      list.  Group codes can range from	0 to 255.  Group 0 is enabled by
      default for all service nodes and	servers.

  -aservice
      Specifies	the service name.  The -aservice option	is required. The ser-
      vice name	must conform to	the rules specified in the DESCRIPTION sec-
      tion.  The following example specifies a single node group of 128	for
      the service siteapp:
	   # latcp -g 128 -asiteapp

      If you enter a group list, use commas (,)	to separate individual
      groups.  The following example shows multiple node groups	being speci-
      fied for the service transapp:
	   # latcp -g 56,5,102,10,20,30,40,50,60,...,
	     110,150,200,210,255 -atransapp

      If the string exceeds the	width of the screen, it	must wrap to the fol-
      lowing line.  You	cannot use a carriage return to	break a	string.	Note
      that the individual group	codes are separated by commas with no spaces.

  Enabling and Disabling Node Agent Status


  Syntax:

  latcp	[-j  | -J]

  -j | -J
      Enables (-j) and disables	(-J) node agent	status.

      When a node tries	to connect to a	service	that is	not in its learned
      service database,	it transmits a solicit message to request service
      information.  When a node	with node agent	status enabled receives	a
      solicit message, the node	responds with a	response information message
      containing the service information, if it	has information	about the
      service.

      By default, node agent status is disabled	to reduce the amount of	net-
      work traffic from	response information messages. You should leave	node
      agent status disabled for	this reason.

  Purging Non-Reserved Services


  Syntax:

  latcp	-Y

  -Y  Purges all of the	existing non-reserved learned services;	reserved
      learned services are not purged.

      After the	non-reserved learned services are purged, if the system
      receives a Service Announcement Message for a service, the service is
      added to the learned service database.



  Specifying Service Ratings


  Syntax:

  latcp	-xrating -aservice

  -xrating
      Specifying a rating of -1	causes service ratings to be calculated
      dynamically based	on the node's activity.	 The service ratings are
      placed in	service	announcement messages multicasted to all LAT nodes.

      Specifying a rating of 0 through 255 causes the rating to	be static for
      the named	service.  Specifying a service rating of 0 makes the service
      less available to	users; specifying 255 makes the	service	highly avail-
      able.

      The default rating is dynamic.

  -aservice
      Specifies	the service name.  The -aservice option	is required. The ser-
      vice name	must conform to	the rules specified in the DESCRIPTION sec-
      tion.

  Setting the Node Name


  Syntax:

  latcp	-nnode

  -nnode
      Sets the node name to the	name specified with the	node argument. The
      node name	specifies the name by which the	node will be known.  The node
      name must	be unique within the LAT network and must conform to the
      rules specified in the DESCRIPTION section.

      The default node name is the value of the	utsname.nodename field
      defined in <&lt;sys/utsname.h>&gt;.  If the utsname.nodename field contains a
      period (.), the LAT node name is truncated to contain the	characters
      (16 characters maximum) that occur before	the first period.

  Setting the Multicast	Transmission Timer


  Syntax:

  latcp	-mtime

  -mtime
      Sets multicast transmission timer	to the specified time in seconds.  A
      node advertises its presence to other LAT	nodes by sending out a multi-
      cast message over	the network. The multicast timer determines the	time
      between the multicast messages.  Valid intervals range from 10 to	180
      seconds. (The default is 60 seconds.)

  Displaying LAT Parameters on the Host	Node


  Syntax:

  latcp	-d

  -d  Displays LAT characteristics on the host node.  For example, the fol-
      lowing command shows the LAT parameters at their current setting:
	   # /usr/sbin/latcp -d

	   Node	name:  SERVICE1
	   Multicast timer:	   60 seconds
	   LAT version:	 5	   ECO:	   2
	   Outgoing Port Groups:   0

	   Selected Interface Name(s):	   fza0	 ln0
	   LAT Protocol	is active
	   Agent Status: Disabled
	   Maximum Number of Learned Services: 100


	   Service information
		   Service name:   SERVICE1
		   Service ID:	   Tru64 UNIX Version n.n LAT SERVICE
		       Rating:	       Dynamic	       255
		       Groups:	       0

	   Service information
		   Service name:   BOUNDSVC	   (Bound)
		   Service ID:	   Tru64 UNIX Version n.n LAT SERVICE
		   Rating:	   Dynamic	   255
		   Groups:	   0
		   Ports:	   620

	   Service information
		   Service name:   DEDICATED	   (Optional)
		   Service ID:	   Tru64 UNIX Version n.n LAT SERVICE
		   Rating:	   Dynamic	   255
		   Groups:	   0

      A	service	without	Bound or Optional next to the name is an unbound
      interactive service.  For	bound services,	the display includes a Ports
      entry that shows the LAT terminal	devices	(ttys) that are	bound to the
      bound interactive	service.

  Displaying Learned Services


  Syntax:

  latcp	-d  -l	[-vlearned_service]

  -d  Displays LAT characteristics specified by	the following option.

  -l  Displays current learned services.  For example:
	   # /usr/sbin/latcp -d	-l

	   Number of Available Services: 98

	   Available Services:

	   Service Name	 Status	    Identification

	   ADJECT	 AVAILABLE  Tru64 UNIX Version Vn.n LAT	SERVICE
	   ALFIKR	 AVAILABLE  Tru64 UNIX Version Vn.n LAT	SERVICE
	   ANDERSON	 AVAILABLE  Tru64 UNIX Version Xn.n LAT	SERVICE
	   ARCHIE	 AVAILABLE  Tru64 UNIX Version Vn.n LAT	SERVICE

  -v learned_service
      Displays information about learned_service.  The learned service name
      must conform to the rules	specified in the DESCRIPTION section.  For
      example:
	   # /usr/sbin/latcp -d	-l -vzipcode

	   Available Service: ZIPCODE

	   Node	Name  Status	 Rating	 Identification

	   ZIPCODE    AVAILABLE	 155	 Tru64 UNIX Version Vn.n LAT SERVICE



  Displaying LAT Characteristics for a Remote Node


  Syntax:

  latcp	-d  -Hremote_node

  -d  Displays LAT characteristics specified by	the following option.

  -H remote_node
      Displays characteristics for remote_node.	 The remote node name must
      conform to the rules specified in	the DESCRIPTION	section.

      For example:
	   # /usr/sbin/latcp -d	-Hzipcode

	   LATCP Remote	Node Characteristics for ZIPCODE

	   Ethernet Address:  08-00-2b-39-ba-c8
	   LAT version:	 5	   ECO:	   2

	   Identification: Tru64 UNIX Version Vn.n LAT NODE

	   Node	Groups:	   0

	   Number of Available Services: 1

	   Available Services:

	   Service Name	  Status      Identification

	   ZIPCODE	  AVAILABLE   Tru64 UNIX Version Vn.n LAT SERVICE



  Displaying LAT Counters for Remote Nodes


  Syntax:

  latcp	-d  -C

  -d  Displays LAT characteristics specified by	the following option.

  -C  Displays counter information for the remote nodes	with which the host
      currently	has a virtual circuit.	For example:
	   # /usr/sbin/latcp -d	-C

	   LATCP Server	Counters for SERVER1
	    120	 Seconds since last reset    0	Fwd out-of-seq messages
	     22	 Run messages received	     0	Retransmitted messages
	     26	 Run messages transmitted    0	Bad circuit messages
	     20	 Slots received		     0	Bad circuit slots
	     22	 Slots transmitted	     0	Accepted host-initiated
	    104	 Bytes received		     0	Rejected host-initiated
	      0	 Duplicate messages	     0	Multiple nodes seen









  Displaying LAT Counters for the Host Node


  Syntax:

  latcp	-d  -N

  -d  Displays LAT characteristics specified by	the following option.

  -N  Displays counter information for the local host node.  For example:
	   # /usr/sbin/latcp -d	-N

	   LATCP Node Counters
	    160020  Seconds since last reset	0  Fwd out-of-seq messages
	       283  Run	messages received	0  Retransmitted messages
	       301  Run	messages transmitted	0  Bad circuit messages
	       191  Slots received		0  Bad circuit slots
	       191  Slots transmitted		0  Accepted host-initiated
	       937  Bytes received		0  Rejected host-initiated
		 0  Duplicate messages		0  Multiple nodes seen

	   LATCP Node Statistics
		 2  Circuits created		0  Circuit timeouts
		 9  Sessions created	     2826  Service messages xmit
	       285  Frames received	     2826  Service messages recv
	      3130  Frames transmitted	     2826  Service messages used
		 0  Illegal frames

	   LATCP Node Errors
		 0  Circuit Start		0  HIC Solicit
		 0  Circuit Run			0  HIC Response
		 0  Circuit Halt		0  HIC Command
		 0  Service Announcement	0  HIC Status
		 0  Other Message



  Displaying Remote Node Addresses and Sessions


  Syntax:

  latcp	-d  -S

  -d  Displays LAT characteristics specified by	the following option.

  -S  Displays the address of the remote nodes and the number of sessions
      with which the host currently has	a virtual circuit.  For	example:
	   # /usr/sbin/latcp -d	-S

	   LATCP Server	Characteristics	for MABBAM
	   Ethernet address:  08-00-2B-a3-90-85
	   Number of Active Circuits: 1
	   Number of Active Sessions: 1






  Displaying Port Characteristics on the Host Node


  Syntax:

  latcp	-d  -P	[-ptty_list | -L  | -I	| -O]

  -d  Displays LAT characteristics specified by	the following option.

  -P  Displays the characteristics for ports on	the host node.	If this
      option is	issued without an argument, all	application ports, active
      interactive sessions, and	outgoing ports on the host node	are
      displayed.

  -ptty_list
      Identifies the LAT terminal devices for which data is to be printed.
      The list can be a	single LAT terminal device or a	list of	LAT terminal
      devices separated	by commas.  Do not use with the	-L, -I,	and -O
      options.

  -L  Sets the display of port characteristics to display all application
      ports.  Do not use with the -p, -I, and -O options.

  -I  Sets the display of port characteristics to display all interactive
      ports.  Do not use with the -p, -L, and -O options.

  -O  Sets the display of port characteristics to display all outgoing ports.
      Do not use with the -p, -L, and -I options.

  Adding and Removing Adapters


  Syntax:

  latcp	[-eadapter | -Eadapter]

  -eadapter | -Eadapter
      Adds (-e)	or removes (-E)	the specified adapter to or from the list of
      adapters over which LAT can run.

      If no adapters are defined before	you start LAT, latcp searches for all
      suitable adapters	and starts LAT on them.	 To prevent this from occur-
      ring, you	can define adapters in the /etc/latstartup.conf	file by
      including	latcp -e commands for the specific adapters.

      If you remove an adapter,	all active sessions running over the adapter
      are terminated.  If there	is only	one adapter on the system, you cannot
      delete it.  If you remove	an adapter and add another one,	issue a	latcp
      -s command to force a service announcement message.

      Note that	LAT is not supported over NetRAIN virtual interfaces or	the
      adapters that compose NetRAIN sets.

  Clearing LAT Counters


  Syntax:

  latcp	-z

  -z  Sets to zero all counters	displayed by the -d -C and -d -N options. You
      can test system performance over time by setting the counters to zero
      and observing the	information that accumulates.



  Resetting LAT	Parameters


  Syntax:

  latcp	-r

  -r  Resets the LAT parameters	to the default values.	See the	-s option for
      information.

      All services (except the default service)	are deleted. If	that service
      was an optional service, it is reset to a	default	service.  The default
      service is an unbound interactive	service	(added without the -o or
      -ptty_list options) which	has the	same name as the LAT node name.	 This
      service is used for incoming interactive connections to the Tru64	UNIX
      LAT host through getty routines that are spawned in the /etc/inittab
      file.


				       Note

	 All learned services and reserved services are	not removed from the
	 learned services database.



  Enabling or Disabling	Outgoing Port Groups


  Syntax:

  latcp	[-ulist	| -Ulist]

  -ulist | -Ulist
      Enables (-u) or disables (-U) the	outgoing port groups specified in the
      list.  Outgoing port groups range	from 0 to 255. Group 0 is enabled by
      default.

      If you enter a group list, use commas (,)	to separate individual
      groups.  If the string exceeds the width of the screen, it must wrap to
      the following line; do not use a carriage	return to break	a string.
      Individual group codes are separated by commas with no spaces.  For
      example:
	   # latcp -u 1,10,100,200

      Outgoing port groups restrict access to services in the network that
      belong to	the specified groups.  Your local system can access only
      those service nodes associated with the outgoing port groups specified.

DESCRIPTION

  The latcp utility provides the essential functions for LAT control and
  management.  It allows nonprivileged users to	display	host, port, circuit,
  and server information and privileged	users to perform the following tasks:

    +  Add, delete, change, and	display	service	and port attributes

    +  Add and delete network interface	adapters

    +  Add, delete, and	display	reserved services

    +  Bind and	unbind LAT devices to specific services

    +  Map and unmap outgoing LAT devices to remote services

    +  Change the node name

    +  Enable and disable node group codes, node agent status, and outgoing
       port groups

    +  Purge non-reserved learned services

    +  Set and display maximum number of learned services

    +  Display learned services

    +  Display remote node information

    +  Change service rating

    +  Display and reset counter information

    +  Start and stop the LAT driver

  When LAT automatic startup and shutdown is enabled, the /sbin/init.d/lat
  script is executed upon reaching run level 3.	 When this script is exe-
  cuted, it reads and executes the latcp commands in the /etc/latstartup.conf
  file (if it exists).

				     Note

       If your system is a member of a cluster,	you must create	the
       /etc/latstartup.conf file as a Context-Dependent	Symbolic Link (CDSL).
       See the System Administration guide for more information.

  LAT automatic	startup	and shutdown can be enabled or disabled	with the
  latsetup utility.  See the Network Administration: Connections manual	for
  additional information.

  The latcp program only effects one operation per invocation. Therefore, you
  can only specify one command on a command line.

  For introductory information on LAT, see the lat_intro(7) reference page.

  Service, Node, and Port Names


  Some of the options require that you specify a name for the service, node,
  or port.  The	names can contain 1 to 16 of the following ASCII characters:

    +  Uppercase letters A to Z

    +  Lowercase letters a to z

       Lowercase letters are converted to uppercase.

    +  Digits 0	to 9

    +  Period (.)

    +  Underscore (_)

    +  Hyphen (-)

       You cannot use a	hyphen as the first character.







FILES

  /dev/streams/lat
      Specifies	the LAT	control	device.


SEE ALSO

  Commands: llogin(1), latsetup(8)

  NetworkServices: lat_intro(7), lat_manual_setup(7)

  Network Administration: Connections