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NAME    [Toc]    [Back]

       gated - gateway routing daemon

SYNOPSIS    [Toc]    [Back]

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

OPTIONS    [Toc]    [Back]

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

              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 routing data.  Specifies that
              gated run as a user process.  Normally, 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
              configuration  file  is parsed, such as determining
              the interface configuration 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

DESCRIPTION    [Toc]    [Back]

       The gated routing daemon is based on  Release  4.0.6  from
       NextHop  Technologies,  Inc.   The  gated  daemon replaces
       routed and egpup, and currently 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.

   SIGNAL PROCESSING    [Toc]    [Back]
       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
              reconfiguration. This may have an adverse impact on
              the routing system.

              It should also be possible  to  enable/disable  any
              protocol without 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  subprocess  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 routing  functions.
   Causes  gated to shut down.  All tasks and
              protocols 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.

FILES    [Toc]    [Back]

       Contains  gated  status  information.   Contains the gated
       configuration information.  Contains the gated process  id

SEE ALSO    [Toc]    [Back]

       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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