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HP CD-ROM Server - Setting An IP Address

Issue:
How is an IP address configured on the HP CD-ROM Server?
Solution
Before you begin:
- Obtain root privileges on your UNIX system or administrator privileges on the Windows NT server.
- Confirm with your Network Administrator that you may proceed with network configuration.
- Obtain an unused IP address, and a host name (if necessary), from your Network Administrator.
  note:
Do not use the factory set default IP address when installing your HP CD-ROM Server. Always consult your Network Administrator before assigning an IP address
- Obtain the LAN hardware (MAC) address found on the label on the bottom of the CD-ROM server (or attached to the tower enclosure).
- Verify that the CD-ROM server is powered up and connected to the network.
The IP address can be sent to the CD-ROM server in several ways, depending on your network operating system.
There are two manual methods:
  • Editing the config.ini file for the CD-ROM server with a text editor. This requires that you already have Network access to the CD-ROM server (example below for Notepad on a Windows 95 workstation):
    1. Choose Start, choose Programs, and start the Windows Explorer
    2. Expand the Neighborhood icon.
    3. Expand the Entire Network icon and then open the Workgroup folder (see NOTE below).
    4. Double-click the entry for your CD-ROM server.
    5. In the config folder, locate the config.ini file and open it by double-clicking on it.
    6. Enter new settings for the Internet Address under the [IP] section.
    7. Set the Restart parameter to yes.
    8. Save the file. This sends the new settings to the CD-ROM server.
  • Using ARP (Address Resolution Protocol) on Windows NT and UNIX (non-routable)
      note:
    If you have removed the default workgroup named ‘Workgroup’, the CD-ROM server will not be visible in the browser until an existing workgroup has been specified on the CD-ROM server by the Domain/GroupName parameter:
    1. Start the Windows Explorer from the Start menu.
    2. Select ‘Map Network Drive’ from the Tools menu
    3. Select a drive letter
    4. In the path box, type \\HPhhhhhh\root, where hhhhhh are the last six digits of the CD-ROM servers LAN hardware address.
    5. Check Reconnect at logon if you wish to use the CD-ROM server under the same drive letter the next time you start your computer.
    6. Choose the OK button. The CD-ROM server is ready for use.
There are three automated methods that can be enabled/disabled by editing the RARPEnable,
BOOTPEnable, and DHCPEnable parameters in the config.ini file:
  • RARP (Reverse Address Resolution Protocol) requires a RARP daemon on your system (not routable)
  • BOOTP (Bootstrap Protocol) requires a bootp daemon on your system
  • DHCP (Dynamic Host Configuration Protocol) allows for temporary assignment of IP parameters
      note:
    Only one of the RARP, BOOTP, DHCP methods for setting the IP address should be enabled at the same time. If both a BOOTP and DHCP server on the network provides an IP address, the BOOTP address is used. If both a RARP and a BOOTP or DHCP server provides and IP address at the same time, the results are undefined.
IN WINDOWS NT - USING ARP
Perform the following commands from a DOS prompt to send the IP address to the CD-ROM server and to verify that it was successfully configured. Each pair of digits in the LAN hardware address must be separated by a hyphen.
arp -s <IP address> <LAN hardware address>
ping <IP address>
Example:
arp -s 192.124.138.80 00-60-b0-11-00-86
ping 192.124.138.80
In this example the host will return ‘Reply from 192.124.138.80…’ or a similar message indicating that the address has been set and communications with the CD-ROM server is established.
  note:
Since the ping command writes the IP address to the CD-ROM server, the response from the first execution of it may be longer than usual. Once the CD-ROM server has communicated using its IP address, the arp and ping commands cannot be used to change the IP address until the CD-ROM server has been power cycled. This prevents accidental or unauthorized change of the IP address.
IN UNIX - USING ARP
Perform the following commands to download the IP address and verify communication. Each pair of digits in the LAN hardware address must be separated by a colon.
arp -s <IP address> <LAN hardware address> temp
ping <IP address>
Example:
arp -s 192.124.138.80 00:60:b0:11:00:86
ping 192.124.138.80
The host will return a message similar to ‘192.124.138.80 is alive’ which indicates that the address has been set and communication is established.
  note:
The arp -s command may vary between different systems. When executing the ping command for the first time you should expect a response time that is longer than usual because it is used to write the IP address to the CD-ROM server. Once the CD-ROM server has established communications using an IP address, the ARP and PING commands cannot be used to change the address. This prevents accidental or unauthorized change of the IP address. To allow the CD-ROM server to accept a new IP address using ARP, the CD-ROM server must be restarted (power cycled)
IN UNIX - USING RARP
Follow these steps to download the IP address using the RARP method:
  1. Append the following line to your LAN hardware (MAC) address table
    (typically /etc/ethers)
    <LAN Hardware Address> <host name>
    Example:
    00:60:b0:11:00:86 cdserv
  2. Make sure the host table and alias name databases are updated as required by your systems.
  3. Start the rarp daemon (if not already running), typically by the command: rarpd -a.
  4. Restart (power cycle) the HP CD-ROM server to download the IP address.
IN UNIX - USING BOOTP
Follow these steps to download the IP address using BOOTP
  1. Append the following entry to your boot table (typically /etc/bootptab):
    <host name>:ht=<hardware type>:vm=<vendor magic>:\
    :ha=<hardware address>:ip=<IP address>:\
    :sm=<subnet mask>:hw=<gateway field>
    Example:
    cdserv:ht=ether:vm=rfc1048:\
    :ha=0060b0110086:ip=192.124.138.80:\
    :sm=255.255.255.0:gw=192.124.138.254
  2. Make sure the host table and alias name data bases are updated.
  3. Start the bootp daemon (if not already running), typically by the command: bootp -a
  4. Restart (power cycle) the HP CD-ROM server to download the IP address, default gateway (gw) address and subnet mask.
      note:
    The ht and vm fields must be entered exactly as in the example. For Ethernet, ht=ether. The ha and ip fields are the LAN hardware (MAC) address and IP address respectively. Use the LAN hardware address specified on the label of your CD-ROM server, and use the IP address that was assigned by the Network Administrator.
USING DHCP
Follow the steps below to use DHCP:
  1. Edit or create a scope in the DHCP manager of the dhcp daemon. The entries made in this scope should include the following:
    • Subnet mask
    • Default router Internet address
    • NetBIOS over TCP/IP name server Internet address(es)
    • NetBIOS over TCP/IP node type*
    • NetBIOS over TCP/IP scope ID
    • Lease duration
    • node type - The CD-ROM server can act either as a B Node (WINS disabled), or,
    • as an H node (WINS enabled)
  2. Activate the scope
  3. Set the DHCPEnable parameter to yes in the config.ini file of the CD-ROM server
USING WINS WITH THE CD-ROM SERVER
If you intend to use WINS, you must set the WINSEnable parameter to yes in the config.ini file of the CD-ROM server. You can also set the Primary and Secondary WINS server address, and the Scope ID, as required.

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