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The Dynamic Host Configuration Protocol (DHCP) is a network management protocol used on Internet Protocol (IP) networks for automatically assigning IP addresses and other communication parameters to devices connected to the network using a client–server architecture.
Packet Tracer is a cross-platform visual simulation tool designed by Cisco Systems that allows users to create network topologies and imitate modern computer networks. The software allows users to simulate the configuration of Cisco routers and switches using a simulated command line interface.
The Dynamic Host Configuration Protocol version 6 (DHCPv6) is a network protocol for configuring Internet Protocol version 6 (IPv6) hosts with IP addresses, IP prefixes, default route, local segment MTU, and other configuration data required to operate in an IPv6 network.
For instance, if a printer is moved from one floor to another it might be assigned a new IP address by the local DHCP server. [5] To address the need for automatic configuration, Microsoft implemented NetBIOS Name Service, part of which is the Computer Browser Service already in Microsoft Windows for Workgroups 3.11 [6] as early as 1992
Some DHCP servers also provide the legacy BOOTP functionality. When a network-connected computer boots up, its IP stack broadcasts BOOTP network messages requesting an IP address assignment. A BOOTP configuration server replies to the request by assigning an IP address from a pool of addresses, which is preconfigured by an administrator.
In a DHCP starvation attack, once the adversary receives the IP address and the lease period from the DHCP server, the adversary does not respond with the confirmation. Instead, the adversary floods the DHCP server with IP address requests until all addresses within the server's address space have been reserved (exhausted). At this point, any ...
Before fetching its first page, a web browser implementing this method sends a DHCPINFORM query to the local DHCP server, and uses the URL from the WPAD option in the server's reply. If the DHCP server does not provide the desired information, DNS is used. If, for example, the network name of the user's computer is pc.department.branch.example ...
The Discovery and Basic Configuration Protocol (DCP) is a protocol definition within the PROFINET context. It is a link layer based protocol to configure station names and IP addresses. It is restricted to the local network segment and mainly used in small and medium applications without an installed DHCP server.