100Mb/s full duplex link

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LEARN ABOUT HPUX

lan

lan(7)							 Miscellaneous Information Manual						    lan(7)

NAME

       lan - network I/O card access information

DESCRIPTION

       This  manual  entry  gives a brief description on how to access the LAN device driver at Layer 2 (Data Link Layer) of the OSI architecture.
       The LAN device driver controls the various LAN interface cards (e.g, Ethernet/IEEE 802.3, FDDI, Token Ring) at Layer 1 (Physical Layer).

       The Data Link Provider Interface (DLPI) is the supported method for accessing the LAN device driver at Layer 2.	DLPI is intended  for  use
       by knowledgeable network users only.  Refer to the for complete programming details.

       There  are  HP  and  non-HP  drivers and interface cards which will provide their own DLPI module.   These types of DLPI are referred to as
       "native" DLPI.

   Overview
       The Physical Point of Attachment (PPA) is a numerical value that uniquely identifies a particular device.   The PPA value can  be  obtained
       from  the  and  commands.   The "ClassInstance" identifier in the output is the concatenation of the driver class (lan) and the PPA number.
       The "NamePPA" identifier in the output is a concatenation of the interface name and the PPA number.  The value for a lan device is  equiva-
       lent to the PPA number for that device.

       A  single  hardware  device  may  have  multiple "NamePPA" identifiers, which indicates multiple encapsulation methods supported for to the
       device.	For Ethernet/IEEE 802.3 links, the "Name" is used to designate Ethernet encapsulation, and  for  IEEE  802.3  encapsulation.   For
       other links (FDDI, Token Ring), only the encapsulation designation is used.

       Methods	of transfer over the DLPI interface through the lan devices include "raw", "connectionless", and "connection-oriented" data trans-
       fers.

WARNINGS

       The and commands are deprecated. These commands will be removed in a future HP-UX release.  HP recommends the use  of  replacement  command
       nwmgr(1M) to perform all network interface-related tasks.

AUTHOR

       was developed by HP.

SEE ALSO

       lanscan(1M), lanadmin(1M), linkloop(1M), nwmgr(1M).

       1995, Hewlett-Packard

       Version 2.0, November 1982, Digital Equipment Corporation, Intel Corporation, Xerox Corporation

       1996, Institute of Electrical and Electronic Engineers

       1996, Institute of Electrical and Electronic Engineers

       1995, ANSI

       1995, Institute of Electrical and Electronic Engineers

       1995, Institute of Electrical and Electronic Engineers

																	    lan(7)

UNIX for Advanced & Expert Users