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Ethernet packet. The SFD (start frame delimiter) marks the end of the packet preamble. It is immediately followed by the Ethernet frame, which starts with the destination MAC address. [1] In computer networking, an Ethernet frame is a data link layer protocol data unit and uses the underlying Ethernet physical layer transport
Diagram of an ethernet frame. File usage. The following 4 pages use this file: Ethernet frame; Frame check sequence; Jumbo frame; User:Mikm/Gallery; Global file usage.
A frame is "the unit of transmission in a link layer protocol, and consists of a link layer header followed by a packet." [2] Each frame is separated from the next by an interframe gap. A frame is a series of bits generally composed of frame synchronization bits, the packet payload, and a frame check sequence.
Trama Ethernet; Usage on fr.wikibooks.org Les réseaux informatiques/Version imprimable; Les réseaux informatiques/Les protocoles de couche 1 et 2 (physique et liaison) Usage on he.wikipedia.org ARP spoofing; Usage on it.wikipedia.org Frame Ethernet; Usage on ja.wikipedia.org イーサネットフレーム; Usage on lt.wikipedia.org Ethernet
A data unit at layer 2, the data link layer, is a frame. In layer 4, the transport layer, the data units are segments and datagrams. Thus, in the example of TCP/IP communication over Ethernet, a TCP segment is carried in one or more IP packets, which are each carried in one or more Ethernet frames.
For example, the sample diagram does not indicate the physical type of connection between the PCs and the switch, but since a modern LAN is depicted, Ethernet may be assumed. If the same style of line was used in a WAN (wide area network) diagram, however, it may indicate a different type of connection.
typo in ethernet frame graphic corrected: 14:08, 15 October 2013: 5 min 23 s, 1,920 × 1,080 (26.74 MB) Rob-nowman: better ethernet frame graphic and a new font:
End nodes utilizing a MAC layer will usually detect an oversized Ethernet frame and cease receiving. A bridge/switch will not forward the frame. [64] A non-uniform frame size configuration in the network using jumbo frames may be detected as jabber by end nodes. [citation needed] Jumbo frames are not part of the official IEEE 802.3 Ethernet ...