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There are several types of Ethernet frames: Ethernet II frame, or Ethernet Version 2, [g] or DIX frame is the most common type in use today, as it is often used directly by the Internet Protocol. Novell raw IEEE 802.3 non-standard variation frame; IEEE 802.2 Logical Link Control (LLC) frame; IEEE 802.2 Subnetwork Access Protocol (SNAP) frame
Frames have a Type field. This frame format is used on all forms of Ethernet by protocols in the Internet protocol suite. Six-octet MAC address. Ethernet II (DIX v2.0) 1982-11 [b] 802.3-1985 1983-06 10BASE5 10 Mbit/s (1.25 MB/s) over thick coax. First edition of the IEEE 802.3 standard.
Jumbo frames have payloads greater than 1500 bytes. In computer networking, jumbo frames are Ethernet frames with more than 1500 bytes of payload, the limit set by the IEEE 802.3 standard. [1] The payload limit for jumbo frames is variable: while 9000 bytes is the most commonly used limit, smaller and larger limits exist.
That value was chosen because the maximum length of the data field of an Ethernet 802.3 frame is 1500 bytes and 1536 is equivalent to the number 600 in the hexadecimal numeral system. Thus, values of 1500 and below for this field indicate that the field is used as the size of the payload of the Ethernet frame while values of 1536 and above ...
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 ...
STP will select the path with the lowest cost, that is the highest bandwidth, as the preferred link. STP will enable this preferred link as the only path to be used for Ethernet frames between the two switches, and disable all other possible links by designating the switch ports that connect the preferred path as root port. [4]: 393
The original 2.94 Mbit/s Ethernet implementation had eight-bit addresses and other differences in frame format. [9] 10BASE5: 802.3-1985 (8) AUI, N, vampire tap: 500 m RG-8/U Original standard uses a single coaxial cable in which a connection is made by tapping into the single cable, drilling in to make contact with the core and the screen.
IEEE 802.1Q, often referred to as Dot1q, is the networking standard that supports virtual local area networking (VLANs) on an IEEE 802.3 Ethernet network. The standard defines a system of VLAN tagging for Ethernet frames and the accompanying procedures to be used by bridges and switches in handling such frames.
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