104 lines
3.0 KiB
Groff
Executable File
104 lines
3.0 KiB
Groff
Executable File
.TH LES 8 "Sep 11, 1996" "Linux" "Maintenance Commands"
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.SH NAME
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les, bus \- ATM LAN Emulation service demons
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.SH SYNOPSIS
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.B lecs
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.RB [ \-l\ \fIlisten_address\fP ]
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.RB [ \-f\ \fIconfiguration_file\fP ]
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.RB [ \-d\ ]
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.SH DESCRIPTION
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LE Service consists of three components: LAN Emulation Configuration
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Server (\fBlecs\fP), LAN Emulation Server (
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\fBles(8)\fP) and Broadcast and Unknown Server (\fBbus(8)\fP).
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.PP
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\fBLecs\fP implements the distribution of LECs to different emulated
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LANs. This is done by giving different LAN Emulation Server ATM addresses
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to LECs. Distribution is based on \fBlecs\fP's configuration database
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and information provided by the LE client. It is not required that a
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\fBlecs\fP exists for all emulated LANs. It is possible to bypass this
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configuration phase by directly telling ATM address of the \fBles(8)\fP to
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the LEC.
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Configuration file example for \fBlecs\fP:
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.in +2m
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.nf
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# Our ATM address (should be included to differentiate us from
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# e.g. LEC)
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# Must be before ELAN definitions
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470023000000030300010002010020ea000ae905
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# ELAN name is inside brackets.
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# Parameters below are for Ethernet type LE (Linux & almost all
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# other LE clients)
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[tut-lane1]
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# Address of the LES
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LES:=470023000000030300010002010020ea000ae901
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# 802_3 or 802_5 (802_3 = Ethernet)
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Type:=802_3
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# 1515, 4544, 9234 or 18190 (1516= Ethernet)
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Max_Frame:=1516
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# ATM address for hosts that are guided to this ELAN.
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# Wildcard is x or X.
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470023000000030300010002010020ea0005aax0
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470023000000030000010002010020ea0005bx00
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47.002300000003030001000201.00603E2FDX23.00
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470023000000030300010002010020ea000Xxx00
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DEFAULT
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# Another ELAN, which has empty name
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[asdf]
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# This directive sets this elan as the default i.e. it will be
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# included if LEC's configure request could not be matched to
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# other ELANs
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#DEFAULT
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LES= 470023000000030300010002010020ea000ae902
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Type=Ethernet
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.DT
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.fi
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.in
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Rules for finding ELAN definitions using information provided in
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LE_CONFIGURE_REQUEST and the configuration file are as follows:
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.PP
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.in +2m
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.nf
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1. Find an entry where ELAN-NAME matches exactly and an
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ATM address of the LEC is found in ELAN definition.
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These are to match exactly with the information given in
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LE_CONFIGURE_REQUEST. If ELAN-NAME is found, but ATM
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address doesn't match then reject with reason "Permission
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denied".
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2. Search for first ELAN which matches in type of emulated LAN,
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maximum frame size and ATM address of the LEC.
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3. If matching ELAN was not found, return default ELAN
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definitions.
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4. No match, so request is rejected with reason "No
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Configuration".
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.PP
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.DT
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.fi
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.in
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\fBSIGHUP\fP restarts the server.
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.SH OPTIONS
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.TP
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.IP \fB\-d\fP
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Reads the configuration file, dumps its contents and exits.
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.IP \fB\-l\ \fIlisten_address\fP
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Use the \fIlisten_address\fP to where wait connections.
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.IP \fB\-f\ \fIconfiguration_file\fP
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Use the specified configuration file instead of \fB.lecs_conf\fP.
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.SH FILES
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.PD 0
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.TP 25
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.B .lecs_conf
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configuration file
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.PD
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.SH BUGS
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Undocumented.
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.SH AUTHOR
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Marko Kiiskila, TUT <carnil@cs.tut.fi>
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.SH "SEE ALSO"
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les(8), atmsigd(8), zeppelin(8)
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.\"{{{}}}
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