ZyXEL Communications VDSL SWITCH VES-1616F-3X User Manual page 294

Appendix A IP Addresses and Subnetting
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.
Figure 125 Conflicting Computer and Router IP Addresses Example
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VES-1616F-3x Series User's Guide