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Apuntes para aprobar la asignatura Redes Locales
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Apuntes con explicaciones detalladas sobre el funcionamiento de las redes y configuraciones utiles.
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UD 3 – Direccionamiento a nivel de red EjerciciosDireccionamiento IP
1. Calcular la dirección de red y dirección de broadcasting de las máquinas con las siguientes
direcciones IP y máscaras de subred:
178.76.112.156/25
IP (10): 178. 76. 112. 156
IP (2): 10110010. 01001100. 01110000. 10011100
Mascara (10): 255. 255. 255. 128
Mascara (2): 11111111. 11111111. 11111111. 10000000
Net id (10): 178. 76. 112. 128
Net id (2): 10110010. 01001100. 01110000. 10000000
Broadcast (10) 178. 76. 112. 255
Broadcast (2) 10110010. 01001100. 01110000. 11111111
192.168.2.111/28
IP (10): 192. 168. 2. 111
IP (2): 11000000. 10101000. 00000010. 01101111
Mascara (10): 255. 255. 255. 240
Mascara (2): 11111111. 11111111. 11111111. 11110000
Net id (10): 192. 168. 2. 96
Net id (2): 10110010. 01001100. 01110000. 01100000
Broadcast (10) 192. 168. 2. 111
Broadcast (2) 10110010. 01001100. 01110000. 01101111
192.168.2.111/27
IP (10): 192. 68.
1 2. 111
IP (2): 11000000. 10101000. 00000010. 01101111
Mascara (10): 255. 255. 255. 224
Mascara (2): 11111111. 11111111. 11111111. 11100000
Net id (10): 192. 168. 2. 96
Net id (2): 10110010. 01001100. 01110000. 01100000
Broadcast (10) 192. 168. 2. 127
Broadcast (2) 10110010. 01001100. 01110000. 01111111
192.168.2.111/26
IP (10): 192. 68.
1 2. 111
IP (2): 11000000. 10101000. 00000010. 01101111
Mascara (10): 255. 255. 255. 192
Mascara (2): 11111111. 11111111. 11111111. 11000000
Net id (10): 192. 168. 2. 64
Net id (2): 10110010. 01001100. 01110000. 01000000
Broadcast (10) 192. 168. 2. 127
Broadcast (2) 10110010. 01001100. 01110000. 01111111
1
, UD 3 – Direccionamiento a nivel de red Ejercicios
129.175.19.8/17
129.175.134.8/17
129.175.222.8/17
2. Viendo las direcciones IP de los hosts públicos de una empresa observamos que todas están
comprendidas entre 194.143,17.145 y 194.143.17.158. ¿Cuáles son, probablemente, su dirección
de red, broadcasting y máscara?
194.143.17.145 ->10010001
194.143.17.146 ->10010010
194.143.17.147 ->10010011
……
194.143.17.158 ->10011110
Net ip add: 194.143.17.10010000
194.143.17.144
Mascara: 255.255.255.11110000
255.255.255.2240
2
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