ZyXEL Communications P-2302HWUDL-P1 Guide de l'utilisateur télécharger pdf (Page 312)

Appendix C IP Addresses and Subnetting

P-2302HWUDL-P1 Series User’s Guide

312

Example: Eight Subnets

Similarly, use a 27-bit mask to create eight subnets (000, 001, 010, 011, 100, 101, 110 and

111).

The following table shows IP address last octet values for each subnet.

Table 145 Subnet 2

IP/SUBNET MASK NETWORK NUMBER

LAST OCTET BIT

VALUE

IP Address 192.168.1. 64

IP Address (Binary) 11000000.10101000.00000001. 01000000

Subnet Mask (Binary) 11111111.11111111.11111111. 11000000

Subnet Address:

192.168.1.64

Lowest Host ID: 192.168.1.65

Broadcast Address:

192.168.1.127

Highest Host ID: 192.168.1.126

Table 146 Subnet 3

IP/SUBNET MASK NETWORK NUMBER

LAST OCTET BIT

VALUE

IP Address 192.168.1. 128

IP Address (Binary) 11000000.10101000.00000001. 10000000

Subnet Mask (Binary) 11111111.11111111.11111111. 11000000

Subnet Address:

192.168.1.128

Lowest Host ID: 192.168.1.129

Broadcast Address:

192.168.1.191

Highest Host ID: 192.168.1.190

Table 147 Subnet 4

IP/SUBNET MASK NETWORK NUMBER

LAST OCTET BIT

VALUE

IP Address 192.168.1. 192

IP Address (Binary) 11000000.10101000.00000001. 11000000

Subnet Mask (Binary) 11111111.11111111.11111111. 11000000

Subnet Address:

192.168.1.192

Lowest Host ID: 192.168.1.193

Broadcast Address:

192.168.1.255

Highest Host ID: 192.168.1.254

Table 148 Eight Subnets

SUBNET

ADDRESS

FIRST ADDRESS

LAST

ADDRESS

BROADCAST

ADDRESS

1 0 1 30 31

2 32 33 62 63

3 64 65 94 95

4 96 97 126 127

1 2 ... 307 308 309 310 311 312 313 314 315 316 317 ... 367 368

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