[Internet-e-architetture-di-rete] esercizi VLSM IPv4

[martino micoletti]

Ho rifatto il 9, dovrebbe essere così:

###########################
9
Addr     129.130.131.132
Mask     255.255.64.0
Net     129.130.0.0
Broadcast     129.130.191.255
Hosts 2^15-2=32766
###########################
altrimenti mi sfugge qualcosa

Grazie
Martino

2016-05-24 18:20 GMT+02:00 Antonio Prado <antonio at prado.it>:

> On 5/24/16 4:52 PM, martino micoletti wrote:
> > ###########################
> > 1
> > Addr     129.130.131.132
> > Mask     255.255.0.0
> > Net     129.130.0.0
> > Broadcast     129.130.255.255
> > Hosts 2^12-2=65534
>
> ok
>
> > 2
> > Addr     129.130.131.132
> > Mask     255.254.0.0
> > Net     129.130.0.0
> > Broadcast     129.131.255.255
> > Hosts 2^17-2=131070
>
> ok
>
> > 3
> > Addr     129.130.131.132
> > Mask     254.0.0.0
> > Net     128.0.0.0
> > Broadcast     129.255.255.255
> > Hosts 2^25-2=33664430
>
> ok
>
> > 4
> > Addr     129.130.131.132
> > Mask     192.0.0.0
> > Net     128.0.0.0
> > Broadcast     191.255.255.255
> > Hosts 2^30-2=1073741822
>
> ok
>
> > 5
> > Addr     129.130.131.132
> > Mask     240.0.0.0
> > Net     128.0.0.0
> > Broadcast     143.255.255.255
> > Hosts 2^28-2=268435454
>
> ok
>
> > 6
> > Addr     129.130.131.132
> > Mask     255.255.255.240
> > Net     129.130.131.128
> > Broadcast     129.130.131.143
> > Hosts 2^4-2=14
>
> ok
>
> > 7
> > Addr     129.130.131.132
> > Mask     255.255.255.252
> > Net     129.130.131.132
> > Broadcast     129.130.131.135
> > Hosts 2^2-2=2
>
> ok
>
> > 8
> > Addr     129.130.131.132
> > Mask     255.255.255.1
> > Net     129.130.131.0
> > Broadcast     129.130.131.254
> > Hosts 2^7-2=126
>
> ok
>
> > ###########################
> > 9
> > Addr     129.130.131.132
> > Mask     255.255.64.0
> > Net     129.130.0.0
> > Broadcast     129.130.191.255
> > Hosts 2^13-2=8190
>
> ko, definisci il perimetro del dominio di broadcast
>
> grazie
> --
> antonio
>
>
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