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BOOTP(8)										 BOOTP(8)

       bootp, rarpd, tftpd - Internet booting

       ip/bootp [-d]

       ip/rarpd [-d] [-e etherdev]

       ip/tftpd [-dr] [-h homedir]

       These  programs	support  booting  over	the Internet.  They should all be run on the same
       server to allow other systems to be booted.  Bootp and tftpd are used to boot  everything;
       rarpd is an extra piece just for Suns.

       Bootp  passes to Plan 9 systems their IP address, IP mask, default boot file, default file
       server, default authentication server, and default gateway.  These come from  the  network
       database  file  attributes  ip,	ipmask, bootf, fs, auth, and ipgw attributes respectively
       (see ndb(6) and ndb(8)).  The attributes come from the entry for the system,  its  subnet,
       and  its  network  with the system entry having precedence, subnet next, and network last.
       Bootp will answer requests only if it has been specifically targeted or	if  it	has  read
       access  to  the boot file for the requester.  The -d option causes debugging to be printed
       to standard output.

       Rarpd performs the Reverse Address Resolution  Protocol,  translating  Ethernet	addresses
       into IP addresses.  The options are:

       d      print debugging to standard output

       e      use the Ethernet mounted at /net/etherdev

       Tftpd  transfers  files	to  systems  that are booting.	It runs as user none and can only
       access files with global read permission.  The options are:

       d      print debugging to standard output

       h      change directory to homedir.  The default is /lib/tftpd.	All  requests  for  files
	      with non-rooted file names are served starting at this directory with the exception
	      of files of the form xxxxxxxx.SUNyy.  These  are	Sparc  kernel  boot  files  where
	      xxxxxxxx	is  the  hex IP address of the machine requesting the kernel and yy is an
	      architecture identifier.	Tftpd looks up the file in  the  network  database  using
	      ipinfo  (see  ndb(2)) and responds with the boot file specified for that particular
	      machine.	If no boot file is specified, the transfer fails.   Tftpd  supports  only
	      octet mode.

       r      restricts access to only files rooted in the homedir.



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