CUADROS DE CÁLCULO DE SUBREDES - VLSM

HAROL PÁRAMO

ADMINISTRACIÓN DE REDES

http://networkingtools.blogspot.com/

CISCO CCNA NIVEL 1, 2, 3

MEDELLÍN, COLOMBIA

2011

Para entender la tabla vísite el sitio http://networkingtools.blogspot.com/Bits Prefijo = Prestar bits Salto host Mascara Subredes IPs BroadCast

Host 32-bits host de SubRed 256-Mascara subred Subred 2^N (salto - 1)

31 /1 32-31 1 256-128=128 128 2 2^31 127

30 /2 32-30 2 256-192=64 192 4 2^30 63

29 /3 32-29 3 256-224=32 224 8 2^29 31

28 /4 32-28 4 256-240=16 240 16 2^28 15

27 /5 32-27 5 256-248=8 248 32 2^27 7

26 /6 32-26 6 256-252=4 252 64 2^26 3

25 /7 32-25 7 256-254=2 254 128 2^25 1

24 /8 32-24 8 256-255=1 255 255 2^24 0

Prefijo Bits prestadosSalto host Mascara SubredSubredes IPs BroadCast

23 /9 1 128 128 2 2^23=8388608 127

22 /10 2 64 192 4 2^22=4192304 63

21 /11 3 32 224 8 2^21=2097152 31

20 /12 4 16 240 16 2^20=1048586 15

19 /13 5 8 248 32 2^19=524288 7

18 /14 6 4 252 64 2^18=262144 3

17 /15 7 2 254 128 2^17=131032 1

16 /16 8 1 255 255 2^16=65536 0

Prefijo Bits prestadosSalto host Mascara SubredSubredes IPs BroadCast

15 /17 1 128 128 2 2^15=32782 127

14 /18 2 64 192 4 2^14=16384 63

13 /19 3 32 224 8 2^13=8192 31

12 /20 4 16 240 16 2^12=2096 15

11 /21 5 8 248 32 2^11=2048 7

10 /22 6 4 252 64 2^10=1024 3

9 /23 7 2 254 128 2^9=512 1

8 /24 8 1 255 255 2^8=254 0

Prefijo Bits prestadosSalto host Mascara SubredSubredes IPs BroadCast

7 /25 1 128-255 128 2 2^7=128 127

6 /26 2 64-128-192 192 4 2^6=64 63

5 /27 3 32-64-96-128 224 8 2^5=32 31

4 /28 4 16-32-48-64-80 240 16 2^4=16 15

3 /29 5 8-16-24-32-40 248 32 2^3=8 7

2 /30 6 4-8-12-16-20 252 64 2^2=4 3

1 /31 7 2-4-6-8-10 254 128 2^1=2 1

0 /32 8 1-2-3-4 255 255 2^0=1 0

Prefijo Bits prestadosSalto host Mascara SubredSubredes IPs BroadCast