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NAME
     utadm -  Sun Ray network and DHCP configuration utility

SYNOPSIS
     /opt/SUNWut/sbin/utadm    -a    interface-name       [    -a
     interface-name ]  ...

     /opt/SUNWut/sbin/utadm  -c

     /opt/SUNWut/sbin/utadm    -d    interface-name       [    -d
     interface-name ]  ...

     /opt/SUNWut/sbin/utadm  -f

     /opt/SUNWut/sbin/utadm  -n

     /opt/SUNWut/sbin/utadm  -p

     /opt/SUNWut/sbin/utadm  -r

DESCRIPTION
     The utadm command manages the private network and DHCP  con-
     figuration  for  the Sun Ray interconnect. It configures the
     name lookup, host, network, netmask, and DHCP database files
     so  that  Sun  Ray  appliances can be connected to a central
     server host over one or more private subnets.   One  of  the
     following  option  flags  must be specified: -a, -c, -d, -f,
     -n, -p, or -r.  The  command  must  be  run  with  superuser
     privileges.

OPTIONS
     The utadm command provides a  way  to  manage  the  Sun  Ray
     private interconnect.

     -a    Configure   the   network   interface   specified   by
           interface-name  as  an  Sun  Ray  subnetwork.  In  the
           default case, an available private subnetwork  address
           is   selected   from   the   range   192.168.128.0  to
           192.168.254.0. If the subnet selected is  192.168.N.0,
           entries  for  the  hosts, networks, and netmasks files
           are generated using the hostname(1) of the  server  as
           follows, where IF is interface-name:

           File              Entry

           /etc/hosts:     192.168.N.1  hostname-IF

           /etc/networks:  SunRay-IF    192.168.N.0    SunRay

           /etc/netmasks:  192.168.N.0  255.255.255.0

           Once  these  entries  are  established,  the   network
           interface    is   activated   as   hostname-IF   using
           ifconfig(1M). If the interface is already up and  con-
           figured,  the  user will be given the option to bypass
           configuration of the network interface and  only  con-
           figure  DHCP  on the interface. This allows configura-
           tion of a Sun Ray interconnect on the  primary  inter-
           face  of  the server. IP addresses on the Sun Ray sub-
           nets  are  managed  using  the  DHCP  protocol,  which
           requires  the addition of several macro entries to the
           dhcptab(4) table to control parameters on Sun Ray sub-
           nets. It is also possible to bypass DHCP configuration
           by entering 0 as the first unit address when prompted.
           The pntadm(1M) command is also used to create the pool
           of available IP addresses for assignment  to  Sun  Ray
           appliances.  Once  the  interface  is  configured  and
           activated, utfwadm(1M) is invoked to add  the  current
           version of the firmware to the DHCP macros for the new
           network. The user is prompted for approval of all  the
           default options, and may change them as desired.

           The -a option implies the -c  option  if  the  initial
           configuration has not yet been performed.

     -c    Initialize the basic configuration files for a Sun Ray
           interconnect  without setting up any subnetworks. This
           involves making sure that the network  database  files
           and   framework   for  DHCP  exist,  and  setting  the
           /etc/nsswitch.conf file so  that  network  information
           for  the  local Sun Ray subnets is obtained from local
           files.

     -d    Delete the network interface specified  by  interface-
           name  from the list of configured Sun Ray subnetworks.
           The specified interface must have been previously con-
           figured using the -a option.

     -f    Takes this server offline, which prevents the creation
           of  new  sessions  on  this server when it is within a
           failover group. Existing sessions will not be  killed,
           but load balancing will not select this server for new
           sessions.

     -n    Bring this server back online.  This  restores  normal
           operation  of the server and allows new sessions to be
           created on this server.

     -p    Print the current Sun Ray interconnect  configuration,
           showing for each interface the hostname, network, net-
           mask, and number of IP addresses assigned to  Sun  Ray
           appliances by DHCP.

     -r    Unconfigure all active Sun Ray interfaces  and  remove
           all Sun Ray entries from the configuration databases.

FILES
     The following files are used by this command:

     /etc/nsswitch.conf
           name service switch

     /var/dhcp/dhcptab
           file or NIS+ table

     /etc/default/dhcp
           DHCP   service   configuration file

     /etc/inet/hosts
           file or NIS+ table

     /etc/inet/networks
           file or NIS+ table

     /etc/inet/netmasks
           file or NIS+ table

     /etc/hostname.*
           hostname for each interface

ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:

     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    | Availability                | SUNWuto                     |
    |_____________________________|_____________________________|


SEE ALSO
     ifconfig(1M),   dhtadm(1M),   pntadm(1M),    dhcpconfig(1M),
     syslogd(1M),     syslog(3),     dhcp(4),    dhcp_network(4),
     dhcptab(4), nsswitch.conf(4),  hosts(4),  networks(4),  net-
     masks(4), syslog.conf(4), attributes(5), utfwadm(1M)

     Alexander, S., and Droms, R., DHCP Options and BOOTP  Vendor
     Extensions,  RFC  1533,  Lachman  Technology, Inc., Bucknell
     University, October 1993.

     Droms,  R.,  Dynamic  Host   Configuration   Protocol,   RFC
     1541,Bucknell University, October 1993.

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