Black Box DSL LAN Extender 400 User Manual page 41

Case (C) Connecting two LANs (different subnet mask), with connection to the Internet
using Router mode
INTERNET
Router
IP: 192.168.100.1
Mask: 255.255.255.0
Ethernet Switch
PC_A
IP: 192.168.100.2
Mask: 255.255.255.0
GW: 192.168.100.1
1. In this configuration, DSL LAN Extenders connects the two LANs with different subnet mask.
2. PCs in LAN_B (200.200.200.X) can access servers/PCs in LAN_A (192.168.100.X) and vice
versa.
3. And at the same time, it also allows the PCs in the remote location (LAN_B) to access the
Internet.
4. IP addresses of PCs in LAN_B can be assigned through DHCP server in DSL LAN Extender
CP_A.
5. The DSL LAN Extenders are to be configured as shown above.
DSL LAN Extender
CO_A
IP: 192.168.100.3
Mask: 255.255.255.0
GW: 0.0.0.0
Router: N
Bridging: Y
RIP: N
NAT/Router: N
© 2002 Black Box Corporation
DSL LAN Extender 400 User's Guide
DSL LAN Extender
CP_A
IP: 192.168.100.4
Mask: 255.255.255.0
GW: 192.168.100.1
Router: Y
Bridging: N
RIP: Y
NAT/Router: Y
Subscriber IP:
200.200.200.1
Subscriber Mask:
255.255.255.0
PC_B
IP: 200.200.200.2
Mask: 255.255.255.0
GW: 200.200.200.1
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