HP 500X HP JetDirect Print Servers 600N/400N/500X/300X Administrator's Guide - - Page 141
Configuring IP Addresses, Dynamic Host Configuration Protocol (DHCP), BOOTP
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Configuring IP Addresses TCP/IP configuration parameters (such as IP address, subnet mask, default gateway) can be configured on the HP JetDirect print server in a variety of ways. These values can be configured manually through HP-supplied software, or they can be automatically downloaded using DHCP or BOOTP each time the print server is turned on. Dynamic Host Configuration Protocol (DHCP) DHCP allows a group of devices to use a set of IP addresses that are maintained by a DHCP server. The device or host sends a request to the server, and if an IP address is available, the server assigns it to that device. BOOTP BOOTP is a bootstrap protocol used to download configuration parameters and host information from a network server. BOOTP uses UDP for its transport. In order for devices to boot and load configuration information into RAM, they must communicate through the bootstrap protocol BOOTP as a client with their server. To configure the device, the client broadcasts a boot request packet containing at least the hardware address of the device (HP JetDirect print server hardware address). The server answers with a boot reply packet containing the information the device needs to configure. EN TCP/IP Overview 135