DHCP Requests Enable/Disable
When a default IP address is assigned, you can choose to send, or not send, periodic DHCP
requests. DHCP requests are used to retrieve IP configuration settings from a DHCP server on the
network. By default, this parameter is enabled, allowing DHCP requests to be transmitted. However,
this parameter may be disabled through supported configuration tools such as Telnet, a Web
browser, and SNMP management applications.
TCP/IP Configuration Tools
Depending on your printer and operating system, an HP Jetdirect print server can be configured with
valid TCP/IP parameters for your network in the following ways:
■ Using Software. You can use your printer installation software on supported systems. For more
information see
HP Software Solutions Summary.
■ BOOTP/TFTP. You can download the data from a network-based server using BOOTP
(Bootstrap Protocol) and TFTP (Trivial File Transfer Protocol) each time the printer is turned on.
For more information, see
Using BOOTP/TFTP.
The BOOTP daemon, bootpd, must be running on a BOOTP server that is accessible by the
printer.
■ DHCP/TFTP. You can use Dynamic Host Configuration Protocol (DHCP) and TFTP (Trivial File
Transfer Protocol) each time the printer is turned on. These protocols are supported on HP-UX,
Solaris, Linux, Windows NT/2000/Server 2003, NetWare and Mac OS systems. (Refer to your
network operating system manuals to verify that your server operating system supports DHCP.)
For more information, see
Using DHCP.
NOTE Linux and UNIX systems: For more information, see the bootpd man page.
On HP-UX systems, a sample DHCP configuration file (dhcptab) may be located in the /
etc directory.
Since HP-UX presently does not provide Dynamic Domain Name Services (DDNS) for its
DHCP implementations, HP recommends that you set all print server lease durations to
infinite. This ensures that print server IP addresses remain static until such time as
Dynamic Domain Name Services are provided.
■ RARP. A network-based server can use RARP (Reverse Address Resolution Protocol) to
answer the print server's RARP request and supplying the print server with the IP address. The
RARP method only allows you to configure the IP address. For more information, see
Using RARP.
■ arp and ping commands. (For print servers configured with Legacy default IP address
192.0.0.192 only) You can use the arp and ping commands from your system. For more
information, see
Using the arp and ping Commands.
■ Telnet. You can set configuration parameters using Telnet. In order to set configuration
parameters, set up a Telnet connection from your system to the HP Jetdirect print server using
the default IP address. Once configured, the print server saves the configuration when powered
off/on. For more information, see
Using Telnet.
■ Embedded Web server. You can browse to the embedded Web server on the HP Jetdirect print
server to set the configuration parameters. For more information, see
Using the Embedded Web
Server.
ENWW Default IP Address 11
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