Appendix B IP Addresses and Subnetting
P-320W v3 User’s Guide
208
The following figure shows an example IP address in which the first three octets
(192.168.1) are the network number, and the fourth octet (16) is the host ID.
Figure 121
Network Number and Host ID
How much of the IP address is the network number and how much is the host ID
varies according to the subnet mask.
Subnet Masks
A subnet mask is used to determine which bits are part of the network number,
and which bits are part of the host ID (using a logical AND operation). The term
“subnet” is short for “sub-network”.
A subnet mask has 32 bits. If a bit in the subnet mask is a “1” then the
corresponding bit in the IP address is part of the network number. If a bit in the
subnet mask is “0” then the corresponding bit in the IP address is part of the host
ID.
The following example shows a subnet mask identifying the network number (in
bold text) and host ID of an IP address (192.168.1.2 in decimal).
Table 85
Subnet Mask - Identifying Network Number
1ST
OCTET:
(192)
2ND
OCTET:
(168)
3RD
OCTET:
(1)
4TH
OCTET
(2)
IP Address (Binary)
11000000
10101000
00000001
00000010
Subnet Mask (Binary)
11111111
11111111
11111111
00000000
Summary of Contents for P-320W v3
Page 2: ......
Page 8: ...Safety Warnings P 320W v3 User s Guide 8 ...
Page 10: ...Contents Overview P 320W v3 User s Guide 10 ...
Page 18: ...Table of Contents P 320W v3 User s Guide 18 ...
Page 20: ...20 ...
Page 24: ...Chapter 1 Getting to Know Your P 320W v3 P 320W v3 User s Guide 24 ...
Page 36: ...Chapter 2 Introducing the Web Configurator P 320W v3 User s Guide 36 ...
Page 54: ...54 ...
Page 72: ...Chapter 4 Wireless LAN P 320W v3 User s Guide 72 ...
Page 76: ...Chapter 5 Wireless Client Mode P 320W v3 User s Guide 76 ...
Page 88: ...Chapter 7 LAN P 320W v3 User s Guide 88 ...
Page 104: ...Chapter 10 VLAN P 320W v3 User s Guide 104 ...
Page 105: ...105 PART III Security Firewall 117 Content Filtering 125 ...
Page 106: ...106 ...
Page 116: ...Chapter 11 WAN P 320W v3 User s Guide 116 ...
Page 124: ...Chapter 12 Firewall P 320W v3 User s Guide 124 ...
Page 130: ...130 ...
Page 134: ...Chapter 14 Static Route P 320W v3 User s Guide 134 ...
Page 140: ...Chapter 15 Remote Management P 320W v3 User s Guide 140 ...
Page 154: ...Chapter 16 Universal Plug and Play UPnP P 320W v3 User s Guide 154 ...
Page 155: ...155 PART V Maintenance and Troubleshooting System 157 Logs 163 Product Specifications 193 ...
Page 156: ...156 ...
Page 178: ...Chapter 18 Logs P 320W v3 User s Guide 178 ...
Page 184: ...Chapter 19 Tools P 320W v3 User s Guide 184 ...
Page 192: ...Chapter 20 Troubleshooting P 320W v3 User s Guide 192 ...
Page 196: ...Chapter 21 Product Specifications P 320W v3 User s Guide 196 ...
Page 198: ...198 ...
Page 260: ...Index P 320W v3 User s Guide 260 ...
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