ZyXEL NBG-418N User Guide - Page 155
Conflicting Router IP Addresses Example, Conflicting Computer and Router IP Addresses Example
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Appendix A IP Addresses and Subnetting computer B which is a DHCP client. Neither can access the Internet. This problem can be solved by assigning a different static IP address to computer A or setting computer A to obtain an IP address automatically. Figure 111 Conflicting Computer IP Addresses Example Conflicting Router IP Addresses Example Since a router connects different networks, it must have interfaces using different network numbers. For example, if a router is set between a LAN and the Internet (WAN), the router's LAN and WAN addresses must be on different subnets. In the following example, the LAN and WAN are on the same subnet. The LAN computers cannot access the Internet because the router cannot route between networks. Figure 112 Conflicting Router IP Addresses Example Conflicting Computer and Router IP Addresses Example More than one device can not use the same IP address. In the following example, the computer and the router's LAN port both use 192.168.1.1 as the IP address. The computer cannot access the Internet. This problem can be solved by assigning a different IP address to the computer or the router's LAN port. NBG-418N User's Guide 155