| Nicoles5Mah | Дата: Воскресенье, 03.08.2014, 14:02 | Сообщение # 1 |
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Группа: Гости
| In set to the ironmongery (MAC, the second layer of the OSI archetype) IP speak does not shortage to explicitly identify the module or at a time, either physically (especially if he does not be a part of to the leeway of the accessible - is the location of untranslated or is energetic). IP communication etiquette runs in the third layer of the model (the network layer), regardless of the media kidney of the pre-eminent layer. It trasowalny (routable), and ergo allows the routing which takes place is the third layer. To make safe the achievement of the communication in this protocol is top-priority to authorize IP addresses of network interfaces devices.
MAC (Media Access Control) - acronym having a plurality of meanings in electronics and computer field:
In the data relation layer, said second layer scale model, typically communicates with ARP and RARP protocol. The cardinal one indicates the third layer of the manoeuvre tools lecture, the man friday allows you to identify the IP address of the ruse with the knowledge of the arms address.
In set to the devices
The IP protocol provides barely obtain an interface or a guild of network interfaces in a network, on the other hand, does not effect the accuracy of details transmission. Cooperation with the fourth in that the transport layer of the OSI standard, which is used even-handed for this drive allows, bulk others, TCP in her acting. Over the extent of this reason created a supply of TCP / IP protocols comprise a syndication of these two protocols.
IP addresses are utilized not only online but also in district networks using TCP / IP. In the first place instance it is assigned by your ISP, in the impaired to usual his assignment by takes heed of its administrator.
In order to certify the uniqueness of the recognition of the solitary's communications arrangement applies a unequalled mapping symbolic names to IP addresses (DNS concordat) allowing Internet users do not stress to remember them and update. Respecting example, the sermon of 208.80.152.2 is currently leading network interface machination / devices (cf. redundancy) serving services Wikipedia. To use this encyclopedia ethical easier to about the names of wikipedia.org, which is translated into an IP lecture after DNS server (layers: the fifth, sixth and seventh OSI model, called severally the term,
MAC (Media Access Control) - acronym having a plurality of meanings in electronics and computer study:
sublayer of the observations link layer (Data Relation Layer, DLL) in the OSI model
munitions address of the network card Ethernet and Token Ring, together in the earth, understood about the manufacturer of the anniversary card during production.
Sublayer of the matter tie-in layer of the OSI working model performs the following functions:
authority over of access to the transmission method
care against errors
addressing the
gush dominate between the endpoint and network devices
filtering frames in disposal to trim propagation in LAN and MAN.
Address MAC (MAC oration) is a 48-bit and is written in hexadecimal (hex). The first 24 bits are the network show-card producer, the remaining 24 bits are a unique identifier of a imitation of the card. As a replacement for example, greet 00:0 A: E6: 3E: FD: E1 indicates that the be honest was produced by Elitegroup Computer Structure Co.. (ECS) and the manufacturer gave her mob 3E: FD: E1. Every so often you can meet with an indication that the MAC discourse is a 6-byte. Since 1 byte is 8 bits, so 6 bytes corresponds to 48 bits. The original 3 bytes (vendor code) means the maker, the other 3 bytes depict oneself another (in perfect accord) a copy of the card. Newer Ethernet cards allow you to change the MAC accost accustomed to them.
There are silent MAC addresses yet for supply authority over, testing or reserved as a service to coming use
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| Надя | Дата: Вторник, 01.10.2024, 17:38 | Сообщение # 2 |
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