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 dhcpv6clientd(1M)                                         dhcpv6clientd(1M)

 NAME    [Toc]    [Back]
      dhcpv6clientd - DHCPv6 client daemon

 SYNOPSIS    [Toc]    [Back]
      /usr/sbin/dhcpv6clientd [-d config_options] [-l]

 DESCRIPTION    [Toc]    [Back]
      dhcpv6clientd obtains the configuration parameters from the Dynamic
      Host Configuration Protocol (DHCPv6) server to configure the host.
      See dhcpv6d(1M).

    Options    [Toc]    [Back]
      dhcpv6clientd supports the following options:

      -d config_options
           Specify the list of parameters that the client daemon must
           request from the server daemon. The list of configuration
           parameters that the client can request are listed below:

           dns_sa    Obtain the DNS server address

           dns_sx    Obtain the DNS suffix

           ntp_sa    Obtain the NTP server address

           nis_dn    Obtain the NIS domain name

           nis_sa    Obtain the NIS server address

           nispcl_dn Obtain the NIS+ client domain address

           nisp_sa   Obtain the NIS+ server address

           slp_da    Obtain the SLP Directory Agent (DA) address and it's

           slp_ss    Obtain the SLP service scope

           tz        Obtain the timezone information

      -l   Enable the logging of all messages by dhcpv6clientd to the
           /var/adm/syslog/syslog.log file, including the information and
           warning types.

    Configuration    [Toc]    [Back]
      The /etc/rc.config.d/netconf-ipv6 file is used for the configuration
      of the interfaces. To invoke dhcpv6clientd using the dhcpv6config
      script, set the DHCPV6_ENABLE [index] variable to a non-zero value in
      the /etc/rc.config.d/netconf-ipv6 file. The dhcpv6config script
      invokes dhcpv6clientd and dhcpv6client_ui during bootup to obtain IP
      addresses.  dhcpv6clientd can also be invoked at the command prompt.

 Hewlett-Packard Company            - 1 -   HP-UX 11i Version 2: August 2003

 dhcpv6clientd(1M)                                         dhcpv6clientd(1M)

      Once dhcpv6clientd has obtained the configuration parameters from the
      server, it stores them in a configuration file named
      /etc/dhcpv6client.data.  The configuration parameters are valid for a
      fixed time, the lease time.

      The format of the configuration information in /etc/dhcpv6client.data
      file is shown below:

           code  length  data

           00   <length> End of the record (EOR)
           01   <length> Interface name
           02   <length> Address of the DHCP server
           03   <length> UUID
           04   <length> IA
           05   <length> T1
           06   <length> T2
           07   <length> Group Multicast Address
           08   <length> DNS Server Address
           09   <length> DNS Suffix
           10   <length> NTP Server Address
           11   <length> NIS Domain Name
           12   <length> NIS Server Address
           13   <length> NIS+ Client Domain Name
           14   <length> NIS+ Server Address
           15   <length> SLP DA address and its scope
           16   <length> SLP Service Scope
           17   <length> Time Zone
           18   <length> Retransmission Variables

      The <length> field denotes the length of the data field following it.

      All these lines collectively indicate one record. The configuration
      file will have a series of record. See the EXAMPLE section below for a
      sample configuration file.

      Since this file contains all the configuration information, it can be
      used to identify the server from which the configuration parameters
      were obtained.

      When dhcpv6clientd is invoked, it will first try to read the
      configuration file, /etc/dhcpv6client.data.  However, the
      configuration file

      1. may have been deleted or is not available for reading;

      2. may be corrupted or contain irrelevant data for a particular

      3. may not contain the configuration information for a particular

 Hewlett-Packard Company            - 2 -   HP-UX 11i Version 2: August 2003

 dhcpv6clientd(1M)                                         dhcpv6clientd(1M)

      In those cases, dhcpv6clientd needs to obtain a new set of addresses
      from the server. Thus the client will form a SOLICIT message and send
      it to the pre-determined ALL DHCP Agents address. In response to this,
      the client will receive the ADVERTISE message from DHCP servers. The
      client will select a DHCP server based on the DHCP server preference

 EXAMPLES    [Toc]    [Back]
      dhcpv6clientd treats the NIS server and DNS server addresses as
      default configuration parameters.

                 dhcpv6clientd -d nis_sa dns_sa

      The following is an example of a /etc/dhcpv6client.data file:

            01 4 lan4
            02 16 3ffe::1234
            03 8 22:c2:00:10:83:b9:53:3c
            04 29 4 3ffe::428d 64 1005134643 1005134663
            05 4 1005134548
            06 4 1005134551
            07 0
            08 32 3ffe::12 3ffe::19
            09 6 hp.com
            10 16 3ffe::19
            11 12 india.hp.com
            12 32 3ffe::13 3ffe::19
            13 12 india.hp.com
            14 32 3ffe::15 3ffe::19
            15 22 16 3ffe::15 (proxy=rio) 0
            15 0
            16 0
            17 0
            18 0
            00 0

 AUTHOR    [Toc]    [Back]
      dhcpv6clientd was developed by Hewlett-Packard.

 FILES    [Toc]    [Back]


      /etc/dhcpv6client.data   Client configuration database file.

 SEE ALSO    [Toc]    [Back]
      dhcpv6d(1M), syslog(3C).

 Hewlett-Packard Company            - 3 -   HP-UX 11i Version 2: August 2003
[ Back ]
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