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Topic: Dynamic Host Configuration Protocol

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	Dynamic Host Configuration Protocol - Wikipedia, the free encyclopedia
		DHCP is a protocol used by networked computers (clients) to obtain unique IP addresses, and other parameters such as default router, subnet mask, and IP addresses for DNS servers from a DHCP server.
		DHCP functionally became a successor to the older BOOTP protocol, whose leases were given for infinite time and did not support options.
		Configuring firewall rules to accommodate access from machines who receive their IP addresses via DHCP is therefore more difficult because the remote IP address will vary from time to time.
	en.wikipedia.org /wiki/Dynamic_Host_Configuration_Protocol (2307 words)

	[No title]
		DHCP consists of two components: a protocol for delivering host-specific configuration parameters from a DHCP server to a host and a mechanism for allocation of network addresses to hosts.
		Dynamic allocation is the only one of the three mechanisms that allows automatic reuse of an address that is no longer needed by the client to which it was assigned.
		Dynamic allocation may also be a good choice for assigning an IP address to a new client being permanently connected to a network where IP addresses are sufficiently scarce that it is important to reclaim them when old clients are retired.
	www.ietf.org /rfc/rfc2131.txt (11923 words)

	RFC 1541 (rfc1541) - Dynamic Host Configuration Protocol
		Dynamic allocation is the only one of the three mechanisms that allows automatic reuse of an address that is no longer needed by the host to which it was assigned.
		Dynamic allocation may also be a good choice for assigning an IP address to a new host being permanently connected to a network where IP addresses are sufficiently scarce that it is important to reclaim them when old hosts are retired.
		The protocol specification in the remainder of this section will describe, for each DHCP message, when it is appropriate for the client to retransmit that message forever, and when it is appropriate for a client to abandon that message and attempt to use a different DHCP message.
	www.faqs.org /rfcs/rfc1541.html (9599 words)

	RFC 2131 - Dynamic Host Configuration Protocol. R. Droms.
		RFC 2131 Dynamic Host Configuration Protocol March 1997 DHCP clarifies the interpretation of the 'siaddr' field as the address of the server to use in the next step of the client's bootstrap process.
		RFC 2131 Dynamic Host Configuration Protocol March 1997 type of hardware to accommodate possible duplication of hardware addresses resulting from bit-ordering problems in a mixed-media, bridged network) allowing for serial or concurrent reuse of a hardware address on different subnets, and for hardware addresses that may not be globally unique.
		RFC 2131 Dynamic Host Configuration Protocol March 1997 'option overload' option is present in the 'options' field, the options in the 'options' field MUST be terminated by an 'end' option, and MAY contain one or more 'pad' options to fill the options field.
	rfc.sunsite.dk /rfc/rfc2131.html (12240 words)

	DHCP FAQ
		DHCP's purpose is to enable individual computers on an IP network to extract their configurations from a server (the 'DHCP server') or servers, in particular, servers that have no exact information about the individual computers until they request the information.
		DHCP is generally aimed at giving "easy moves" capability to networks that are divided into subnets on a geographical basis, or on separate networks.
		DHCP servers and relay agents use their knowledge of what LAN the client-station is on to select the subnet number for the client-station's new IP address whereas such switches use the subnet number sent by the client-station to decide which (virtual) LAN to put the station on.
	www.dhcp-handbook.com /dhcp_faq.html (8441 words)

	DHCP, Dynamic Host Configuration Protocol (Site not responding. Last check: 2007-11-01)
		DHCP is designed to use the same relay agent behavior as has been specified for the BOOTP protocol.
		A host is allocated an IP address for a limited time period or until the host explicitly relinquishes the address.
		A host is assigned an IP address and DHCP is used to convey the assigned address to the host.
	www.networksorcery.com /enp/protocol/dhcp.htm (903 words)

	Dynamic Host Configuration Protocol (DHCP) Services \| Technical Support \| MOREnet
		The Dynamic Host Configuration Protocol (DHCP) is a set of rules for dynamically allocating IP addresses and configuration options to workstations on a network.
		DHCP was derived from the Bootstrap Protocol (BootP).
		DHCP is a protocol designed to save time managing IPs on a large network.
	www.more.net /technical/netserv/tcpip/dhcp.html (1371 words)

	What is DHCP? - A Word Definition From the Webopedia Computer Dictionary
		Short for Dynamic Host Configuration Protocol, a protocol for assigning dynamic IP addresses to devices on a network.
		DHCP also supports a mix of static and dynamic IP addresses.
		Dynamic addressing simplifies network administration because the software keeps track of IP addresses rather than requiring an administrator to manage the task.
	www.webopedia.com /TERM/D/DHCP.html (291 words)

	DHCP (Dynamic Host Control Protocol)
		DHCP and its predecessor, BOOTP, were developed to address the major headache of running around and setting up IP addresses on Domain Name System servers, gateways and other machines.
		DHCP was designed to overcome the inflexibility of BOOTP, so it supports three ways to allocate IP addresses: automatic allocation assigns a permanent address to a client; dynamic allocation provides a time-limited allocation or lease; and good old static allocation, which works well for things like servers.
		DHCP servers need to be located on the same reliable network as the clients rather than across a WAN.
	www.networkworld.com /details/488.html (930 words)

	dhcp.org - Resources for DHCP (Site not responding. Last check: 2007-11-01)
		The Dynamic Host Configuration Protocol (DHCP) is an Internet protocol for automating the configuration of computers that use TCP/IP.
		DHCP can be used to automatically assign IP addresses, to deliver TCP/IP stack configuration parameters such as the subnet mask and default router, and to provide other configuration information such as the addresses for printer, time and news servers.
		The DHCP Handbook, by Ralph Droms and Ted Lemon
	www.dhcp.org (84 words)

	Dynamic Host Configuration Protocol Technology Center
		The Dynamic Host Configuration Protocol (DHCP) is an Internet Engineering Task Force (IETF) standard designed to reduce the administration burden and complexity of configuring hosts on a Transmission Control Protocol/Internet Protocol (TCP/IP)-based network, such as a private intranet.
		By using DHCP server computers to centrally manage IP addresses and other related configuration parameters, using DHCP client computers to request and accept TCP/IP configuration information from DHCP servers, and using DHCP relay agents to pass information between DHCP clients and servers, the process of configuring TCP/IP on DHCP clients is automatic.
		Use these guidelines for the migration of DHCP servers from Windows NT 4.0 to Windows Server 2003 in Chapter 3 of the Migrating from Microsoft Windows NT Server 4.0 to Microsoft Windows Server 2003 guide.
	www.microsoft.com /technet/itsolutions/network/dhcp/default.mspx (508 words)

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