ZyAIR G-3000 User’s Guide
Appendix G IP Subnetting
196
Since the mask is always a continuous number of ones beginning from the left, followed by a
continuous number of zeros for the remainder of the 32 bit mask, you can simply specify the
number of ones instead of writing the value of each octet. This is usually specified by writing
a “/” followed by the number of bits in the mask after the address.
For example, 192.1.1.0 /25 is equivalent to saying 192.1.1.0 with mask 255.255.255.128.
The following table shows all possible subnet masks for a class “C” address using both
notations.
The first mask shown is the class “C” natural mask. Normally if no mask is specified it is
understood that the natural mask is being used.
Example: Two Subnets
As an example, you have a class “C” address 192.168.1.0 with subnet mask of 255.255.255.0.
The first three octets of the address make up the network number (class “C”). You want to
have two separate networks.
Table 70
Alternative Subnet Mask Notation
SUBNET MASK IP ADDRESS
SUBNET MASK “1” BITS
LAST OCTET BIT VALUE
255.255.255.0
/24
0000 0000
255.255.255.128
/25
1000 0000
255.255.255.192
/26
1100 0000
255.255.255.224
/27
1110 0000
255.255.255.240
/28
1111 0000
255.255.255.248
/29
1111 1000
255.255.255.252
/30
1111 1100
Table 71
Two Subnets Example
NETWORK NUMBER
HOST ID
IP Address
192.168.1.
0
IP Address (Binary)
11000000.10101000.00000001.
00000000
Subnet Mask
255.255.255.
0
Subnet Mask (Binary)
11111111.11111111.11111111.
00000000
Содержание ZyAIR G-3000
Страница 1: ...ZyAIR G 3000 802 11g Business Access Point Bridge Repeater User s Guide Version 3 50 September 2004...
Страница 14: ...ZyAIR G 3000 User s Guide 15 Table of Contents...
Страница 22: ...ZyAIR G 3000 User s Guide 23 List of Tables...
Страница 26: ...ZyAIR G 3000 User s Guide 27 Preface...
Страница 40: ...ZyAIR G 3000 User s Guide 41 Chapter 2 Introducing the Web Configurator...
Страница 48: ...ZyAIR G 3000 User s Guide 49 Chapter 3 Wizard Setup...
Страница 54: ...ZyAIR G 3000 User s Guide 55 Chapter 4 System Screens...
Страница 100: ...ZyAIR G 3000 User s Guide 101 Chapter 8 IP Screen...
Страница 116: ...ZyAIR G 3000 User s Guide 117 Chapter 10 Maintenance Figure 59 Restart Screen...
Страница 122: ...ZyAIR G 3000 User s Guide 123 Chapter 11 Introducing the SMT...
Страница 132: ...ZyAIR G 3000 User s Guide 133 Chapter 13 LAN Setup...
Страница 174: ...ZyAIR G 3000 User s Guide 175 Appendix C Power over Ethernet Specifications...
Страница 176: ...ZyAIR G 3000 User s Guide 177 Appendix D Brute Force Password Guessing Protection...
Страница 188: ...ZyAIR G 3000 User s Guide 189 Appendix E Setting up Your Computer s IP Address...
Страница 192: ...ZyAIR G 3000 User s Guide 193 Appendix F IP Address Assignment Conflicts...
Страница 200: ...ZyAIR G 3000 User s Guide 201 Appendix G IP Subnetting...
Страница 202: ...ZyAIR G 3000 User s Guide 203 Appendix H Command Interpreter...
Страница 206: ...ZyAIR G 3000 User s Guide 207 Appendix I Log Descriptions...
Страница 209: ...ZyAIR G 3000 User s Guide Appendix J Wireless LAN and IEEE 802 11 210 Figure 127 ESS Provides Campus Wide Coverage...
Страница 210: ...ZyAIR G 3000 User s Guide 211 Appendix J Wireless LAN and IEEE 802 11...