Reason for mac addresses and ip12/25/2023 ![]() ![]() MAC addresses are fixed and cannot be easily changed, whereas IP addresses can be changed or dynamically assigned. While MAC addresses uniquely identify network interface hardware within a local network, IP addresses provide logical addresses for routing data on the internet. In conclusion, MAC addresses and IP addresses serve different purposes in computer networks. IP addresses are used for Domain Name System (DNS) resolution ![]() MAC addresses are used for Address Resolution Protocol (ARP) Identifies the logical location of a device on a network Identifies the physical hardware of the network interface Used for network routing and device addressing on the internet Used for device identification and communication within a network Works on the network layer (Layer 3) of the OSI modelĬan be used for communication within and outside the local networkĬan be changed or masked to preserve privacy Works on the data link layer (Layer 2) of the OSI model May not be unique, especially in case of NATĪssigned by the manufacturer of the network interface cardĪssigned by a network administrator or obtained dynamically through DHCP Universally unique for each physical network interface Differences Between MAC Address and IP Address Difference AreaĬonsists of 6 groups of hexadecimal characters DHCP: IP addresses are assigned dynamically to devices using the Dynamic Host Configuration Protocol to manage network resources. Internet access: IP addresses enable devices to access the internet and communicate with other devices worldwide.Ĥ. Routing: IP addresses allow routers to forward data packets to their correct destinations across different networks.ģ. Network addressing: IP addresses are used to identify devices in a network and enable communication between them.Ģ. In simpler terms, an IP address is like a telephone number for devices connected to the internet. It serves two main purposes: identifying the host or network interface and providing the location of the host in the network. What is an IP Address?Īn IP address, short for Internet Protocol address, is a unique numeric identifier assigned to each device connected to a computer network. Network troubleshooting: MAC addresses help identify specific network devices and troubleshoot connectivity issues. Wake-on-LAN: MAC addresses enable the use of Wake-on-LAN technology, allowing a device to be remotely powered on.Ĥ. Security: MAC addresses can be used as a security measure to restrict network access by allowing or denying specific devices.ģ. Switching: MAC addresses are used by network switches to forward data packets to the correct destination device.Ģ. MAC addresses are used for communication within a local area network (LAN) or a wide area network (WAN). It is a factory-assigned address embedded in network interface card (NIC) hardware. A MAC address, short for Media Access Control address, is a unique identifier assigned to network interfaces for communications on the physical network segment. ![]()
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