Two Subnets – Three Routers + DSL Modem

5 pts.
Tags:
Linksys
Network Configuration
Routers
Subnets
Subnetting
Windows XP
Is the following setup valid for creating two subnets (192.168.2.xxx and 192.168.3.xxx) that both access a single internet connection but are isolated?
ROUTER A WAN --> DSL Modem
ROUTER B WAN --> ROUTER A LAN 
ROUTER C WAN --> ROUTER A LAN 
Settings:
Router A 
WAN - PPoE, etc. etc.
LAN - 192.168.1.1 / 255.255.255.0
DHCP server enabled
Router B
WAN - DHCP Assigned 192.168.1.100 / 255.255.255.0 / GW 192.168.1.0 
LAN - 192.168.2.1 / 255.255.255.0 / GW 192.168.2.1
DHCP server enabled
Router C
WAN - DHCP Assigned 192.168.1.101 / 255.255.255.0 / GW 192.168.1.0 
LAN - 192.168.3.1 / 255.255.255.0 / GW 192.168.3.1
DHCP server enabled
Thanks!


Software/Hardware used:
XP, linksys routers
ASKED: December 19, 2009  6:28 AM
UPDATED: December 30, 2009  7:13 PM

Answer Wiki

Thanks. We'll let you know when a new response is added.

You will need to change the gateway from 192.168.1.0 to 192.168.1.1 for routers B and C. Then add routes back and forth from subnet A to B and A to C.

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  • Darkstar911
    why do you need 3 routers to setup 2 subnet?
    790 pointsBadges:
    report

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