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Appendix C IP Addresses and Subnetting
P-660H-T1v3s User’s Guide
249
The following figure shows the company network before subnetting.
Figure 131
Subnetting Example: Before Subnetting
You can “borrow” one of the host ID bits to divide the network 192.168.1.0 into
two separate sub-networks. The subnet mask is now 25 bits (255.255.255.128 or
/25).
The “borrowed” host ID bit can have a value of either 0 or 1, allowing two
subnets; 192.168.1.0 /25 and 192.168.1.128 /25.
The following figure shows the company network after subnetting. There are now
two sub-networks, A and B.
Figure 132
Subnetting Example: After Subnetting
Summary of Contents for P-660H-T1 v3s
Page 2: ......
Page 8: ...Safety Warnings P 660H T1v3s User s Guide 8...
Page 10: ...Contents Overview P 660H T1v3s User s Guide 10...
Page 18: ...Table of Contents P 660H T1v3s User s Guide 18...
Page 19: ...19 PART I User s Guide...
Page 20: ...20...
Page 26: ...Chapter 1 Introduction P 660H T1v3s User s Guide 26...
Page 36: ...Chapter 3 Status Screens P 660H T1v3s User s Guide 36...
Page 66: ...Chapter 5 Setup Wizard P 660H T1v3s User s Guide 66...
Page 67: ...67 PART II Technical Reference...
Page 68: ...68...
Page 88: ...Chapter 6 WAN Setup P 660H T1v3s User s Guide 88...
Page 104: ...Chapter 7 LAN Setup P 660H T1v3s User s Guide 104...
Page 124: ...Chapter 9 Firewalls P 660H T1v3s User s Guide 124...
Page 134: ...Chapter 11 Static Route P 660H T1v3s User s Guide 134...
Page 160: ...Chapter 15 Remote Management P 660H T1v3s User s Guide 160...
Page 176: ...Chapter 17 System Settings P 660H T1v3s User s Guide 176...
Page 202: ...Chapter 21 Troubleshooting P 660H T1v3s User s Guide 202...
Page 210: ...210...
Page 234: ...Appendix A Setting up Your Computer s IP Address P 660H T1v3s User s Guide 234...
Page 244: ...Appendix B Pop up Windows JavaScripts and Java Permissions P 660H T1v3s User s Guide 244...
Page 254: ...Appendix C IP Addresses and Subnetting P 660H T1v3s User s Guide 254...
Page 262: ...Appendix E Legal Information P 660H T1v3s User s Guide 262...
Page 268: ...Index P 660H T1v3s User s Guide 268...
Page 269: ...Index P 660H T1v3s User s Guide 269...
Page 270: ...Index P 660H T1v3s User s Guide 270...