les man page on Archlinux

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LES(8)			     Maintenance Commands			LES(8)

       les, bus - ATM LAN Emulation service demons

       les [-d module] [-m module] [-f configuration_file]

       bus [-d module] [-m module] [-f configuration_file]

       LE  Service  consists  of three components: LAN Emulation Configuration
       Server (lecs(8)), LAN Emulation Server (les) and Broadcast and  Unknown
       Server (bus).

       Les  performs  the  control coordination function for the emulated LAN.
       LE clients register MAC addresses and/or route descriptors they	repre‐
       sent  to	 les,  and  later  query  it  when  they  want	to resolve MAC
       addresses/route descriptors into ATM addresses. Other LE	 control  mes‐
       sages which are to be distributed to every client in ELAN are also sent
       to les. Les forwards these messages using Control Distribute VCC	 which
       it has set up to every client in ELAN.

       Bus  handles  data  sent	 by  clients  to  broadcast  and multicast MAC
       addresses and some of the data directed to unicast addresses. LE Client
       has  a possibility to send data directed to some unicast address to the
       bus before target's ATM address has been resolved and the  Data	Direct
       VCC has been established.

       Configuration file example for les and bus:

	 #S1, LE Server's ATM address
	 #S2, LAN Type
	 #S3, Maximum Frame Size
	 #S4, Join Timeout, s
	 #S5, Maximum Frame Age, s
	 #S6, BUS Atm address
	 S6=:47:00:23:00:00:00:03:03:00:01:00:02:01:00:20:ea:00:0a:e9:02 #viulu

       The  configuration file contains each modules name in brackets followed
       by variable definitions for that module. The definitions	 are  of  form
       variable=value,	where  value  can  be either an integer, a truth value
       (True/False), a string enclosed in double quotes ("string") or  an  ATM
       address	in  hexadecimal	 format.  Variables  that  can	be set are the
       debug/memdebug for each module and variables S1-S6  as  defined	in  LE

       S1=Address of the LES. This address is used in ATM
       S2=Type of the emulated LAN. Valid values is "802.3".
       S3=Maximum frame size. Valid value is 1516.
       S4=Join Timeout. Time in seconds which LES waits for
	  LE_JOIN_REQUEST before tearing down a connection.
       S5=Maximum frame Age. Currently not used.
       S6=Address of the BUS. This address is used in ATM signalling.
       ELANNAME= Name of the emulated LAN

       SIGHUP  causes  restart	of  the server. All resources are released and
       server is started. SIGUSR1 causes  the  server  to  dump	 its  internal
       state. SIGUSR2 shuts down the server (hopefully) gracefully.

       -d module
	      Set debugging messages on for a module. "All" sets debug‐
	      ging on for all modules.

       -m module
	      Set memory debugging messages on for a module. "All" sets
	      debugging on for all modules.

       -f configuration_file
	      Use   the	  specified   configuration   file  instead  of

       .lanevars		configuration file

       Servers don't establish point-to-multipoint  connections	 to  LE
       clients	as  the	 specification states, which means that some LE
       clients won't work with these servers.

       Supports only IEEE 802.3 / Ethernet type of ELANs.

       This manual page is confusing.

       Marko Kiiskila, TUT <carnil@cs.tut.fi>

       lecs(8), atmsigd(8), zeppelin(8)

Linux				 Sep 11, 1996				LES(8)

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