ZyXEL Access Point G1000 v2 91-005-124001B ユーザーズマニュアル

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91-005-124001B
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ZyXEL G-1000 v2 User’s Guide
149
A
P P E N D I X
D
IP Address Assignment Conflicts
This appendix describes situations where IP address conflicts may occur. Subscribers with 
duplicate IP addresses will not be able to access the Internet. 
Case A: The G-1000 v2 is using the same LAN and WAN IP 
addresses
The following figure shows an example where the G-1000 v2 is using a WAN IP address that 
is the same as the IP address of a computer on the LAN. 
Figure 92   IP Address Conflicts: CaseA
You must set the G-1000 v2 to use different LAN and WAN IP addresses on different subnets 
if you enable DHCP server on the G-1000 v2. For example, you set the WAN IP address to 
192.59.1.1 and the LAN IP address to 10.59.1.1. Otherwise, It is recommended the G-1000 v2 
use a public WAN IP address. 
Case B: The G-1000 v2 LAN IP address conflicts with the 
DHCP client IP address
In the following figure, the G-1000 v2 is acting as a DHCP server. The G-1000 v2 assigns an 
IP address, which is the same as its LAN port IP address, to a DHCP client attached to the 
LAN. 
Figure 93    IP Address Conflicts: Case B