11/10/2010, 11:31
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 | | | Fecha de Ingreso: enero-2006 Ubicación: ¿Atlantida, Hesperides, Islas afortunadas?
Mensajes: 2.231
Antigüedad: 18 años, 10 meses Puntos: 19 | |
| Respuesta: Duda packet trader...!
11110000=1*2^7+1*2^6+1*2^5+1*2^4+0*2^3+0*2^2+0*2^1 +0*2^0=240
/20 = 11111111.1111111.11110000.00000000 = 255.255.240.0
Por ejemplo una mascara /20 divide una red de clase B en 16 subredes
172.16.0.0/20
Subred Ip de red Rango de hosts Ip de Broadcast
0 172.16.0.0 172.16.0.1 - 172.16.15.254 172.16.15.255
1 172.16.16.0 172.16.16.1 - 172.16.31.254 172.16.31.255
2 172.16.32.0 172.16.32.1 - 172.16.47.254 172.16.47.255
3 172.16.48.0 172.16.48.1 - 172.16.63.254 172.16.63.255
4 172.16.64.0 172.16.64.1 - 172.16.79.254 172.16.79.255
5 172.16.80.0 172.16.80.1 - 172.16.95.254 172.16.95.255
6 172.16.96.0 172.16.96.1 - 172.16.111.254 172.16.111.255
7 172.16.112.0 172.16.112.1 - 172.16.127.254 172.16.127.255
8 172.16.128.0 172.16.128.1 - 172.16.143.254 172.16.143.255
9 172.16.144.0 172.16.144.1 - 172.16.159.254 172.16.159.255
10 172.16.160.0 172.16.160.1 - 172.16.175.254 172.16.175.255
11 172.16.176.0 172.16.176.1 - 172.16.191.254 172.16.191.255
12 172.16.192.0 172.16.192.1 - 172.16.207.254 172.16.207.255
13 172.16.208.0 172.16.208.1 - 172.16.223.254 172.16.223.255
14 172.16.224.0 172.16.224.1 - 172.16.239.254 172.16.239.255
15 172.16.240.0 172.16.240.1 - 172.16.255.254 172.16.255.255
Cada subred tendrá 2^12-2=4094 hosts
Salu2 |