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network(1M)							   network(1M)

NAME    [Toc]    [Back]

     network - network initialization and shutdown script

SYNOPSIS    [Toc]    [Back]

     /etc/init.d/network [ start | stop	]

DESCRIPTION    [Toc]    [Back]

     The network shell script is called	during system startup from /etc/rc2 to
     initialize	the standard and optional network devices and daemons.	The
     script is called during system shutdown from /etc/rc0 to gracefully kill
     the daemons and inactivate	the devices.

     When called with the start	argument, the network script does the
     following,	using the various configuration	flags described	below:

     o	Defines	the hostname and hostid	based on the name in /etc/sys_id and
	its corresponding Internet address in /etc/hosts.

     o	Checks that the	host's Internet	address	is not the default
	Internet test address.	If the address is the default address, the
	software is configured for standalone mode.  An	Internet address other
	than the default must be chosen	in order to configure the network
	properly.  See the guide IRIX Admin: Networking	and Mail for
	information on selecting an address.

     o	Initializes the	network	interfaces.  The HyperNet interface is
	initialized if the hypernet configuration flag is on.  If multiple
	ethernet or FDDI interfaces are	present, the script computes typical
	primary	and gateway interface names and	addresses for most systems.
	/etc/config/netif.options provides a place for site-dependent network
	interface definitions.	You need to modify this	file only if:

	-  the computed	primary	and/or gateway interface names are incorrect

	-  you don't like convention used to define addresses for interfaces

	-  the host has	more than 2 ethernet or	FDDI interfaces

	Each interface must have a unique Internet address and hostname	in
	/etc/hosts.  The script	derives	the names from /etc/sys_id.  The
	prefix gate- is	prepended to the hostname to generate the second
	interface's name.  The suffix -hy is appended to generate the HyperNet
	interface's name.  For example:	    yosemite.parks.us	    yosemite   gate-yosemite.parks.us  gate-yosemite    yosemite-hy.parks.us    yosemite-hy

	See the	comments in /etc/config/netif.options for details.

									Page 1

network(1M)							   network(1M)

     o	Deletes	existing routes.

     o	Starts the standard networking daemons such as the routing, portmap
	and DNS	nameserver daemons.  Initializes the default multicast route.

     o	(If the	NFS option is installed).  Defines the NIS domain name using
	/var/yp/ypdomain if it exists.	If the NIS domain is the same as the
	Internet domain	name in	/etc/sys_id, then ypdomain is not needed.
	Starts name service daemons, mounts and	exports	NFS filesystems,
	starts NFS automount, lock and status daemons.

     o	Starts the inetd, timed, timeslave, rarpd, and rwhod daemons.

     o	Starts the 4DDN	software (if installed).

     When called with the stop argument, the network script gracefully
     terminates	daemons	in the correct order, unmounts NFS filesystems and
     inactivates the network interfaces.


     A daemon or subsystem is enabled if its configuration flag	in the
     /etc/config directory in the on state.  If	a flag file is missing,	the
     flag is considered	off.  Use the chkconfig(1M) command to turn a flag on
     or	off.  For example,

	  chkconfig timed on

     enables the timed flag.  When invoked without arguments, chkconfig	prints
     the state of all known flags.

     There are two special flags: verbose and network.	The verbose flag
     controls the printing of the names	of daemons as they are started and the
     printing of NFS-mounted filesystem	names as they are mounted and
     unmounted.	 The network flag allows incoming and outgoing traffic.	 This
     flag can be set off if you	need to	isolate	the machine from network
     without removing cables.

     The following table lists the configuration flags used to initialize
     standard and optional software.

     Flag	 Action	if on

     routed	 Start IP routing deamon

     gated	 Start Cornell/Merit IP	super-routing daemon instead of

     mrouted	 Start Stanford	IP multicast routing daemon

									Page 2

network(1M)							   network(1M)

     named	 Start 4.3BSD Internet domain name server

     rtnetd	 Initialize preemptable	networking for real-time use

     rwhod	 Start 4.3BSD rwho daemon

     timed	 Start 4.3BSD time synchronization daemon

     timeslave	 Start SGI time	synchronization	daemon

     hypernet	 Initialize HyperNet controller	and routes

     nfs	 Start NFS daemons, mount NFS filesystems

     automount	 Start NFS automounter daemon

     lockd	 Start NFS lock	and status daemons

     nsd	 Enable	name services, start nsd daemon

     rarpd	 Start the Reverse ARP daemon

     ypmaster	 Start password	server;	nsd should also	be on.

     4DDN	 Initialize 4DDN (DECnet connectivity) software

     Site-dependent options for	daemons	belong in ``options'' files in
     /etc/config.  Certain daemons require options so their options file must
     contain valid information.	 See the guide IRIX Admin: Networking and Mail
     and the daemon's manual page in section 1M	for details on valid options.

	  File			Status

     automount.options	   optional

     biod.options	   optional

     gated.options	   optional

     ifconfig-1.options	   optional   (for primary network interface)

     ifconfig-2.options	   optional   (for gateway network interface)

     ifconfig-3.options	   optional   (for 2nd gateway network interface)

     ifconfig-4.options	   optional   (for 3rd gateway network interface)

     ifconfig-hy.options   optional   (for HyperNet interface)

     inetd.options	   optional

									Page 3

network(1M)							   network(1M)

     mrouted.options	   optional

     named.options	   optional

     netif.options	   optional   (to select different primary & gateway
				      interfaces, etc.)

     nfsd.options	   optional

     nsd.options	   optional

     portmap.options	   optional

     rarpd.options	   optional

     routed.options	   optional

     rpc.passwd.options	   optional

     rwhod.options	   optional

     static-route.options  optional   (to specify static routes)

     timed.options	   optional

     timeslave.options	   required

     Site-dependent configuration commands to start and	stop local daemons and
     publish arp entries should	be put in a separate shell script called
     /etc/init.d/network.local.	 Make symbolic links in	/etc/rc0.d and
     /etc/rc2.d	to this	file to	have it	called during system startup and

	  ln -s	/etc/init.d/network.local /etc/rc0.d/K39network
	  ln -s	/etc/init.d/network.local /etc/rc2.d/S31network

     See /etc/init.d/network for the general format of the script.

FILES    [Toc]    [Back]

     /etc/rc0.d/K40network   linked to network
     /etc/rc2.d/S30network   linked to network
     /etc/config	     configuration flags and options files
     /etc/sys_id	     hostname
     /etc/hosts		     Internet address-name database
     /var/yp/ypdomain	     NIS domain	name

SEE ALSO    [Toc]    [Back]

     chkconfig(1M), rc0(1M), rc2(1M).

									Page 4

network(1M)							   network(1M)

     IRIX Admin: Networking and	Mail

									PPPPaaaaggggeeee 5555
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