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- They are 48 binary bits in length. - They are generally represented in hexadecimal format - They are considered physical addresses
physical source and destination addressesphysical source and destination addresses
physical source and destination addressesphysical source and destination addresses
Ethernet devices are identified by their MAC address, not an IP address. If their were no MAC address incorporated into the device then it is not following the rules define for the ethernet protocol. It would not be an ethernet network adapter or it would be a defective ethernet network adapter. As the LANs are designed for arbitrary network layer protocols, not just IP, so if the adapters are assigned with IP addresses rather than MAC addresses, than it will be difficult for adapters to support other network layers. Even if the adapters use entire network layer addressing schemes, they will need to be reconfigured every time they are powered up. So it is imperative to use neutral MAC address independent of network layer addressing schemes in order to ensure better performance of network.
Ethernet is a data link layer protocol - layer 2
RARP (Reverse Address Resolution Protocol) maps layer 2 addresses to layer 3 addresses. ARP (Address Resolution Protocol) maps layer 3 addresses to layer 2 addresses.
WWW service is work onApplication layer & Ethernet is datalink layer protocol.
How many bits are there in a data link layer ethernet address?
Routers operate at layer 3. LAN switches operate at layer 2. Ethernet hubs operate at layer 1.
Network layer
The layer 2 devices use the data link layer addresses.
An ñARPî or Address Resolution Protocol is a protocol that is used in telecommunications for a resolution of network layer addresses into link layer addresses, which is vital in multiple access networks. It is also the name of the program that is used when manipulating addresses in most operating systems. The Address Resolution Protocol is used to convert an IP address to a physical address such as an Ethernet Address.