Netgear 802.11g Manual de usuario descargar pdf (Pagina 200)

Reference Manual for the ProSafe Wireless 802.11g Firewall/Print Server Model FWG114P v2

B-6 Networks, Routing, and Firewall Basics

201-10301-02, May 2005

The following table lists the additional subnet mask bits in dotted-decimal notation. To use the

table, write down the original class netmask and replace the 0 value octets with the dotted-decimal

value of the additional subnet bits. For example, to partition your Class C network with subnet

mask 255.255.255.0 into 16 subnets (4 bits), the new subnet mask becomes 255.255.255.240.

The following table displays several common netmask values in both the dotted-decimal and the

masklength formats.

Table 11-1. Netmask Notation Translation Table for One Octet

Number of Bits Dotted-Decimal Value

1 128

2 192

3 224

4 240

5 248

6 252

7 254

8 255

Table 11-2. Netmask Formats

Dotted-Decimal Masklength

255.0.0.0 /8

255.255.0.0 /16

255.255.255.0 /24

255.255.255.128 /25

255.255.255.192 /26

255.255.255.224 /27

255.255.255.240 /28

255.255.255.248 /29

255.255.255.252 /30

255.255.255.254 /31

255.255.255.255 /32

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Netgear 802.11g Manual de usuario Pagina 200