| dbo:abstract |
EtherType je šestnáctibitová hodnota v některých typech rámců linkové vrstvy, která udává protokol dat zapouzdřených v datové části rámce. Hodnoty EtherType byly poprvé použity v původním standardu Ethernet v poli Type. V prvních verzích standardu IEEE 802.3 však bylo stejné pole použito pro délku datové části rámce, a protokol datové části rámce musel být odvozen z polí DSAP a SSAP v hlavičce IEEE 802.2. Koncept pole EtherType se však ukázal natolik praktický, že jej IEEE 802 použilo v podobě pole Protocol ID ve SNAP rozšíření hlavičky IEEE 802.2. Aby v sítích Ethernet, kde v poli Length/Type může být EtherType podle původního standardu Ethernet nebo délka dat podle standardu IEEE 802.3, bylo možné rozlišit, o který formát rámce se jedná, používají se v nových sítích hodnoty EtherType větší nebo rovné 1536 (0x0600); menší hodnoty mají význam délky. (cs) EtherType is a two-octet field in an Ethernet frame. It is used to indicate which protocol is encapsulated in the payload of the frame and is used at the receiving end by the data link layer to determine how the payload is processed. The same field is also used to indicate the size of some Ethernet frames. EtherType is also used as the basis of 802.1Q VLAN tagging, encapsulating packets from VLANs for transmission multiplexed with other VLAN traffic over an Ethernet trunk. EtherType was first defined by the Ethernet II framing standard and later adapted for the IEEE 802.3 standard. EtherType values are assigned by the IEEE Registration Authority. (en) EtherType est un champ d'une trame Ethernet indiquant quel est le protocole de niveau supérieur utilisé dans le champ "donnée" de cette trame. (fr) EtherType（イーサタイプ）は、イーサネットフレームの中にある2オクテットのフィールドであり、フレームのペイロードにカプセル化されているプロトコルを示すのに使用される。 このフィールドは、イーサネットフレームのサイズを示すのにも使用される場合がある。EtherTypeは最初にEthernet IIの規格で定義され、後にIEEE 802.3規格に適応した。このフィールドは、受信側でペイロードを引き渡すプロトコルを決定するために、データリンク層によって使用される。 (ja) EtherType, em redes de computadores, é um campo de um pacote Ethernet, que define qual protocolo de camada superior o pacote transporta. O tamanho do campo EtherType é de dois bytes. (pt) 以太类型（EtherType）是一个在以太网帧中的占用两字节的字段，这一字段代表了在以太网帧中封装了何种协议。该字段首次出现在以太网II帧（Ethernet II framing）中，并在后来由IEEE制定为IEEE 802.3以太网标准。 (zh) |
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https://wiki.mikrotik.com/wiki/Manual:Tools/RoMON https://standards.ieee.org/products-programs/regauth/ethertype/ https://standards.ieee.org/products-programs/regauth/tut/ |
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EtherType est un champ d'une trame Ethernet indiquant quel est le protocole de niveau supérieur utilisé dans le champ "donnée" de cette trame. (fr) EtherType（イーサタイプ）は、イーサネットフレームの中にある2オクテットのフィールドであり、フレームのペイロードにカプセル化されているプロトコルを示すのに使用される。 このフィールドは、イーサネットフレームのサイズを示すのにも使用される場合がある。EtherTypeは最初にEthernet IIの規格で定義され、後にIEEE 802.3規格に適応した。このフィールドは、受信側でペイロードを引き渡すプロトコルを決定するために、データリンク層によって使用される。 (ja) EtherType, em redes de computadores, é um campo de um pacote Ethernet, que define qual protocolo de camada superior o pacote transporta. O tamanho do campo EtherType é de dois bytes. (pt) 以太类型（EtherType）是一个在以太网帧中的占用两字节的字段，这一字段代表了在以太网帧中封装了何种协议。该字段首次出现在以太网II帧（Ethernet II framing）中，并在后来由IEEE制定为IEEE 802.3以太网标准。 (zh) EtherType je šestnáctibitová hodnota v některých typech rámců linkové vrstvy, která udává protokol dat zapouzdřených v datové části rámce. Hodnoty EtherType byly poprvé použity v původním standardu Ethernet v poli Type. V prvních verzích standardu IEEE 802.3 však bylo stejné pole použito pro délku datové části rámce, a protokol datové části rámce musel být odvozen z polí DSAP a SSAP v hlavičce IEEE 802.2. Koncept pole EtherType se však ukázal natolik praktický, že jej IEEE 802 použilo v podobě pole Protocol ID ve SNAP rozšíření hlavičky IEEE 802.2. (cs) EtherType is a two-octet field in an Ethernet frame. It is used to indicate which protocol is encapsulated in the payload of the frame and is used at the receiving end by the data link layer to determine how the payload is processed. The same field is also used to indicate the size of some Ethernet frames. EtherType is also used as the basis of 802.1Q VLAN tagging, encapsulating packets from VLANs for transmission multiplexed with other VLAN traffic over an Ethernet trunk. (en) |
| rdfs:label |
EtherType (cs) EtherType (de) EtherType (en) EtherType (fr) EtherType (ja) EtherType (pt) 以太类型 (zh) |
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