On distingue deux techniques utilisables pour choisir une adresse reseau ip. Ip address classes some are obsolete network id host id network id host id 816 class a 32 0 class b 10 class c 110 class d 1110 multicast addresses class e 1111 reserved for experiments 24 3 subnetting add another layer to hierarchy variable length subnet masks could subnet a class b into several chunks network host network subnet. Broadly, the ipv4 addressing system is divided into five classes of ip addresses. In class c, the first three octets of address are used for network and the last octet is used to identify the host. Introduction of classful ip addressing geeksforgeeks. Les adresses ip privees et publiques administration reseau. Cours reseaux adressage ip thierry vaira homepage free. Les classes a, b et c correspondent a des adresses commerciales et sont attribuees a des hotes. Exercices corriges adressage ip partie 1 waytolearnx. Les intervalles dadresses utilisables pour les trois premiers sousreseaux. Adressage ip et sousreseautage pour nouveaux utilisateurs. Allocating, recycling, and documenting ip addresses and subnets in a net work can get confusing very quickly if you have not laid out an ip addressing plan. Broadcast address this is the address used to send data to all hosts in a network.
Les adresses ip privees et publiques supinfo, ecole. A sound plan will help you prepare the network foundation to support. Exercice reseau sur les adresses ip et le decoupage en classes. Il existe une classe d qui commence par 1110 mais cette classe dadresse nest pas utilisee pour adresser des machines individuelles. Pour distinguer les classes a, b, c, d et e il faut examiner les. Download sumita arora ip class 12 pdf book pdf free download link or read online here in pdf. Donc, ces adresses ip ne peuvent pas etre utilisees en tant quid hote. Motscles reseau logique ip adresse masque passerelle dns dhcp. To make the address easier to read, it is divided into four. Conception dun schema dadressage ipv4 guide dadministration. Formateur abdelghani calculer les adresses ip des classes a b c d e.
Jun 26, 2012 cours reseaux adressage ip cours cours reseaux adressage ip pdf, 653. Read online sumita arora ip class 12 pdf book pdf free download link book now. Hhhhhhhh class d address very first four bits of the first octet in class d ip addresses are set to 1110, giving a range of. Representation des classes dadresse ip 7 bits 24 bits classe a 0 id. Translation nat et enfin le routage interdomaine sans classe. Snir 1 cour reseau ip, masque et sous reseau youtube. Pour 7 sousreseaux, on doit consacrer 4 bits 2 4 2 14. Sumita arora ip class 12 pdf pdf book manual free download. Ip address classes 15441 computer networking class a. The higher order bits of the first octet of ip addresses of class. Le masque reseau par defaut dune classe b etant 255. Petit guide des sousreseaux ip linux documentation project.
Understanding ip addressing 8 subnetting in 1985, rfc 950 defined a standard procedure to support the subnetting, or division, of a single class a, b, or c network number into smaller pieces. Ip addressing overview 2 ip addressing overview an ip address uniquely identifies a device on an ip network. Cette technique appelee subnetting a ete formalisee en 1985 avec le document rfc950. Nimporte quelle adresse ip peut ainsi actuellement etre associee. Pdf exercices dadressage ip exercices dadressage ip. Calculer les adresses ip des classes a b c d e youtube. A block in class b is also very large and most of the address in class b is also wasted. Indiquer pour les adresses suivantes a quelle classe elles appartiennent 1101 1011. Le premier octet a une valeur comprise entre 128 et 191.
Synthese sur les differentes classes dadresses ip classe a. All the five classes are identified by the first octet of ip address. Ip address classifications class bits in network id number of networks bits in host id number of hosts network address range subnet mask a 8 126 24 4,000,000 1. Le premier octet a une valeur comprise entre 192 et 223. Ip address belonging to class c are assigned to smallsized networks. This site is like a library, you could find million book here by using search box in. All books are in clear copy here, and all files are secure so dont worry about it. Internet protocol hierarchy contains several classes of ip addresses to be used efficiently in various situations as per the requirement of hosts per network. Cours reseaux adressage ip cours a telecharger en pdf. Class c gives 2097152 221 network addresses and 254 282 host addresses. Certaines valeurs etant reservees a des usages particuliers.