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gated(8)							      gated(8)

       gated - gateway routing daemon

       /usr/sbin/gated [-c] [-C] [-n] [-N] [-t trace_options] [-f config_file]

       Specifies that gated parse the  configuration  file  for	 syntax,  then
       exit.   If   there   are	 no  errors,  gated  leaves  a	dump  file  in

	      You do not need root privileges to use the -c option.   However,
	      if  you  do not have root privileges, gated might not be able to
	      read the kernel forwarding table	and  interface	configuration.
	      The  -c  option  implies -tgeneral.  All trace_option clauses in
	      the configuration file are ignored.  Specifies that gated	 parse
	      the  configuration  file for syntax errors.  If no errors occur,
	      gated exits with a status 0.  Otherwise, it exits with a	status

	      You  do not need root privileges to use the -C option.  However,
	      if you do not have root privileges, gated might not be  able  to
	      read  the	 kernel	 forwarding table and interface configuration.
	      Specifies that gated not modify  the  kernel  forwarding	table.
	      This  is used for testing gated configurations with actual rout‐
	      ing data.	 Specifies that gated run as  a	 user  process.	  Nor‐
	      mally,  if  tracing to stderr is not specified and if the parent
	      process is not init, gated  runs	as  a  daemon  process.	  This
	      allows the use of an /etc/inittab-like method of invoking gated.
	      Specifies a comma-separated list of trace options to be  enabled
	      on  startup.   If	 no options are specified, general is assumed.
	      No space is allowed between this option and its arguments.

	      Use this to trace events that take place before  the  configura‐
	      tion  file is parsed, such as determining the interface configu‐
	      ration and reading routes from the kernel.

	      See gated.conf(4) for valid trace options and  a	more  detailed
	      explanation  of  tracing.	  Specifies an alternate configuration
	      file. By default, gated uses /etc/gated.conf.

	      If a trace file is specified on the command line,	 or  no	 trace
	      options  are  specified on the command line, gated detaches from
	      the terminal and runs in the background.	If trace  options  are
	      specified	 without  specifying  a trace file, gated assumes that
	      tracing is desired to stderr and remains in the foreground.

       The gated routing daemon is based on Release 4.0.6 from	NextHop	 Tech‐
       nologies,  Inc.	 The  gated daemon replaces routed and egpup, and cur‐
       rently handles the RIP, BGP, EGP, HELLO, and  OSPF  routing  protocols.
       The gated process can be configured to perform all routing protocols or
       any subset of them.

       You can use the following signals to control  gated:  Causes  gated  to
       reread  the  configuration  file.   The	gated  daemon first performs a
       clean-up of all allocated policy structures. All BGP and EGP peers  are
       flagged for deletion and the configuration file is reparsed.

	      If  the reparse is successful, any BGP and EGP peers that are no
	      longer in the configuration are shut down,  and  new  peers  are
	      started.	 Gated	attempts  to  determine if changes to existing
	      peers require a shutdown and restart. OSPF  is  not  capable  of
	      reconfiguring,  it is shutdown and restarted during a reconfigu‐
	      ration. This may have an adverse impact on the routing system.

	      It should also be possible to enable/disable any protocol	 with‐
	      out  restarting  gated.  Causes gated to write the current state
	      of  all  tasks,	timers,	  protocols,   and   tables   to   the
	      /usr/tmp/gated_dump file.

	      On  systems supporting fork(), this is done by forking a subpro‐
	      cess to dump  the	 table	information.   This  does  not	affect
	      gated's  routing	functions.  On systems where memory management
	      does not support copy-on-write, fork() causes the gated  address
	      space  to be duplicated; this might cause a noticeable impact on
	      the system.  On systems not supporting fork(), the main  process
	      immediately processes the dump, which might impact gated's rout‐
	      ing functions.  Causes gated to shut down.  All tasks and proto‐
	      cols  are	 asked to shutdown. Most terminate immediately, except
	      EGP peers, which waits for confirmation.	You might have to send
	      SIGTERM  once or twice if it this process takes too long to shut

	      All protocol routes are removed from the kernel forwarding table
	      on   receipt   of	 a  SIGTERM.  Interface	 routes,  routes  with
	      RTF_STATIC set (from the	route  command	where  supported)  and
	      static  routes specifying retain will remain. To terminate gated
	      with the exterior routes intact, use SIGKILL.  Causes  gated  to
	      close  the  trace	 file.	A subsequent SIGUSR1 reopens the trace
	      file.  This allows the file to be moved regularly.

	      You cannot use SIGUSR1 if a trace file has not been specified or
	      if tracing is being performed to stderr.	Causes gated to rescan
	      the kernel interface list for changes.

       Contains gated status information.  Contains  the  gated	 configuration
       information.  Contains the gated process id (PID).

       Commands:  arp(8),  gdc(8),  ifconfig(8),  netstat(1), ospf_monitor(8),
       ripquery(8), routed(8), route(8)

       Functions: fork(2)

       Files: gated.conf(4), gated.proto(4), gated.control(4)


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