cnp3-ebook/protocols/ethernet — English @ Weblate

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36 ../../protocols/ethernet.rst:175

	English 100Base-Tx 10/10000 · 10
37 ../../protocols/ethernet.rst:175

	English Category 5 UTP or STP, 100 m maximum 36/10000 · 36
38 ../../protocols/ethernet.rst:176

	English 100Base-FX 10/10000 · 10
39 ../../protocols/ethernet.rst:176

	English Two multi-mode optical fiber, 2 km maximum 42/10000 · 42
40 ../../protocols/ethernet.rst:177

	English 1000Base-CX 11/10000 · 11
41 ../../protocols/ethernet.rst:177

	English Two pairs shielded twisted pair, 25m maximum 44/10000 · 44
42 ../../protocols/ethernet.rst:178

	English 1000Base-SX 11/10000 · 11
43 ../../protocols/ethernet.rst:178

	English Two multi-mode or single mode optical fibers with lasers 56/10000 · 56
44 ../../protocols/ethernet.rst:179 • ../../protocols/ethernet.rst:358

	English 10 Gbps 7/10000 · 7
45 ../../protocols/ethernet.rst:179

	English Optical fiber but also Category 6 UTP 37/10000 · 37
46 ../../protocols/ethernet.rst:180

	English 40-100 Gbps 11/10000 · 11
47 ../../protocols/ethernet.rst:180

	English Optical fiber (experiences are performed with copper) 53/10000 · 53
48 ../../protocols/ethernet.rst:192 • ../../protocols/ethernet.rst:308

	English Footnotes 9/10000 · 9
49 ../../protocols/ethernet.rst:193

	English Additional information about the history of the Ethernet technology may be found at http://ethernethistory.typepad.com/ 119/10000 · 119
50 ../../protocols/ethernet.rst:195

	English Initially, the OUIs were allocated by Xerox [DP1981]_. However, once Ethernet became an IEEE and later an ISO standard, the allocation of the OUIs moved to IEEE. The list of all OUI allocations may be found at http://standards.ieee.org/regauth/oui/index.shtml 259/10000 · 259
51 ../../protocols/ethernet.rst:197

	English The official list of all assigned Ethernet type values is available from http://standards.ieee.org/regauth/ethertype/eth.txt 124/10000 · 124
52 ../../protocols/ethernet.rst:199

	English The attentive reader may question the need for different `EtherTypes` for IPv4 and IPv6 while the IP header already contains a version field that can be used to distinguish between IPv4 and IPv6 packets. Theoretically, IPv4 and IPv6 could have used the same `EtherType`. Unfortunately, developers of the early IPv6 implementations found that some devices did not check the version field of the IPv4 packets that they received and parsed frames whose `EtherType` was set to `0x0800` as IPv4 packets. Sending IPv6 packets to such devices would have caused disruptions. To avoid this problem, the IETF decided to apply for a distinct `EtherType` value for IPv6. Such a choice is now mandated by :rfc:`6274` (section 3.1), although we can find a funny counter-example in :rfc:`6214`. 779/10000 · 779
53 ../../protocols/ethernet.rst:201

	English These network interfaces compute the TCP checksum while a segment is transferred from the host memory to the network interface [SH2004]_. 137/10000 · 137
54 ../../protocols/ethernet.rst:203

	English Fortunately, IEEE was able to define the [IEEE802.3]_ frame format while maintaining backward compatibility with the Ethernet [DIX]_ frame format. The trick was to only assign values above 1500 as `EtherType` values. When a host receives a frame, it can determine whether the frame's format by checking its `EtherType/Length` field. A value lower smaller than `1501` is clearly a length indicator and thus an [IEEE802.3]_ frame. A value larger than `1501` can only be type and thus a [DIX]_ frame. 497/10000 · 497
55 ../../protocols/ethernet.rst:207

	English Ethernet Switches 17/10000 · 17

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