Địa chỉ MAC (media access control: kiểm soát truy cập phương tiện truyền thông) của máy tính là một định danh duy nhất (unique identifier) được gán cho một bộ điều khiển giao diện mạng cho truyền thông tại tầng liên kết dữ liệu của một phân đoạn mạng. Địa chỉ MAC được sử dụng làm địa chỉ mạng cho hầu

MAC Address and OUI Lookup for - Find the Company that A MAC address is a unique identifier for network interfaces. It is a 48-bit number (12 hexadecimal characters). They can either be written in either of these formats: MM:MM:MM:SS:SS:SS; MM-MM-MM-SS-SS-SS; An OUI {Organizationally Unique Identifier} is a 24-bit number that uniquely identifies a vendor or manufacturer. They are purchased and MAC Address Lookup - MAC/OUI/IAB/IEEE Vendor Manufacturer To find the MAC address in Mac OS X From the Apple Menu in the upper left choose System Preferences; Choose the Network Preferences and select Airport (for Wireless) or Built in Ethernet (for Ethernet card) from the Show menu; The MAC address will be listed at the bottom of the TCP/IP tab as the Airport ID or Ethernet Address How to Find a Mac Address on an iPhone: 4 Steps (with

The MAC address is used by the Media Access Control sublayer of the Data-Link Layer (DLC) of telecommunication protocols. There is a different MAC sublayer for each physical device type. The other sublayer level in the DLC layer is the Logical Link Control sublayer.

Definition A MAC address (Media Access Control address) (also known as the hardware address or ethernet address) is Overview A MAC address is unique to each network device on a computer — no two computers will have the same MAC address. Computers having more than one network card (e.g., one for wireless and one for wired) will have one MAC address for each network card. References “ a c++ - Convert MAC address std::string into uint64_t

Ethernet frame - Wikipedia

In the Information tab, find the Change MAC Address frame. Enter new MAC address in the field and click Change Now! button. You may even click Random MAC Address button to fill up a randomly selected MAC address from the vendor list available. To restore the original MAC address of the network adapter, select the adapter, click Restore Original