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# Exercices | ||
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## Exercice 1: | ||
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### A: du réseau à la table de routage | ||
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On donne le réseau de routeurs suivants où les routeurs sont numérotés de 1 à 8, et les interfaces de A à C. | ||
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```{figure} media/res1.svg | ||
--- | ||
width: 60% | ||
``` | ||
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Compléter les tables de routage suivantes pour les routeurs 1, 3 et 5. | ||
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Routeur 1: | ||
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| Destination | Interface | Distance | | ||
|-------------|-----------|----------| | ||
| 2 | | | | ||
| 3 | | | | ||
| 4 | | | | ||
| 5 | | | | ||
| 6 | | | | ||
| 7 | | | | ||
| 8 | | | | ||
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Routeur 3: | ||
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| Destination | Interface | Distance | | ||
|-------------|-----------|----------| | ||
| 1 | | | | ||
| 2 | | | | ||
| 4 | | | | ||
| 5 | | | | ||
| 6 | | | | ||
| 7 | | | | ||
| 8 | | | | ||
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Routeur 5: | ||
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| Destination | Interface | Distance| | ||
|-------------|-----------|---------| | ||
| 1 | | | | ||
| 2 | | | | ||
| 3 | | | | ||
| 4 | | | | ||
| 6 | | | | ||
| 7 | | | | ||
| 8 | | | | ||
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### B: des tables de routage au réseau | ||
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On considère un réseau de routeurs, dont on donne les tables de routages. Pour chaque cas, proposer un réseau cohérent avec ces tables de routage. | ||
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Routeur 1: | ||
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| Destination | Interface | Distance | | ||
|-------------|-----------|----------| | ||
| 2 | B | 1 | | ||
| 3 | C | 1 | | ||
| 4 | A | 1 | | ||
| 5 | A | 2 | | ||
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Routeur 2: | ||
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| Destination | Interface | Distance | | ||
|-------------|-----------|----------| | ||
| 1 | B | 1 | | ||
| 3 | A | 1 | | ||
| 4 | B | 2 | | ||
| 5 | A | 2 | | ||
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Routeur 3: | ||
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| Destination | Interface | Distance | | ||
|-------------|-----------|----------| | ||
| 1 | A | 1 | | ||
| 2 | B | 1 | | ||
| 4 | A | 2 | | ||
| 5 | C | 1 | | ||
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Routeur 4: | ||
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| Destination | Interface | Distance | | ||
|-------------|-----------|----------| | ||
| 1 | B | 1 | | ||
| 2 | B | 2 | | ||
| 3 | A | 2 | | ||
| 5 | A | 1 | | ||
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Routeur 5: | ||
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| Destination | Interface | Distance| | ||
|-------------|-----------|---------| | ||
| 1 | A | 2 | | ||
| 2 | A | 2 | | ||
| 3 | A | 1 | | ||
| 4 | B | 1 | | ||
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### C: routage | ||
On donne les tables de routage suivantes d'un réseau de routeurs. Indiquer par quels routeurs passe un message pour aller atteindre sa destination depuis son point de départ. | ||
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Routeur 1: | ||
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| Destination | Interface | Distance | | ||
|-------------|-----------|----------| | ||
| 2 | A | 2 | | ||
| 3 | A | 1 | | ||
| 4 | A | 3 | | ||
| 5 | A | 3 | | ||
| 6 | A | 2 | | ||
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Routeur 2: | ||
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| Destination | Interface | Distance | | ||
|-------------|-----------|----------| | ||
| 1 | C | 2 | | ||
| 3 | C | 1 | | ||
| 4 | A | 1 | | ||
| 5 | B | 1 | | ||
| 6 | C | 2 | | ||
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Routeur 3: | ||
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| Destination | Interface | Distance | | ||
|-------------|-----------|----------| | ||
| 1 | C | 1 | | ||
| 2 | A | 1 | | ||
| 4 | A | 2 | | ||
| 5 | A | 2 | | ||
| 6 | B | 1 | | ||
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Routeur 4: | ||
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| Destination | Interface | Distance | | ||
|-------------|-----------|----------| | ||
| 1 | A | 3 | | ||
| 2 | A | 1 | | ||
| 3 | A | 2 | | ||
| 5 | A | 2 | | ||
| 6 | A | 3 | | ||
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Routeur 5: | ||
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| Destination | Interface | Distance | | ||
|-------------|-----------|----------| | ||
| 1 | A | 3 | | ||
| 2 | A | 1 | | ||
| 3 | A | 2 | | ||
| 4 | A | 2 | | ||
| 6 | A | 3 | | ||
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| Départ | Destination| Chemin | | ||
|--------|------------|---------| | ||
| 4 | 1 | | | ||
| 3 | 5 | | | ||
| 1 | 6 | | | ||
| 6 | 1 | | | ||
| 4 | 3 | | |
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