split/isolate network

[rikona]

Hello NoOp,

Sunday, November 21, 2010, 5:12:51 PM, NoOp wrote:

N> On 11/21/2010 11:49 AM, rikona wrote:
>> Hello NoOp,
>> 
>> Saturday, November 20, 2010, 8:34:15 PM, NoOp wrote:
N> ...
>> N> I'm a little confused on exactly what/why you are trying to accomplish.
>> 
>> I'm trying to do essentially what you describe below.
>> 
>> N> Both subnets will need to share a common gateway with only one
>> N> internet connection. So why not just add another router to
>> N> 'router/firewall' and have it issue DHCP on a separate subnet?
>> 
>> cable modem ->> router/firewall1 -> subnet1 (fixed IP wired)
>> N>                      |
>> N>                router/firewall2 -> subnet2 (DHCP wireless)
>> 
>> N> If the routers are configured properly, subnet2 will never see
>> N> subnet1 unless you allow it in the routers firewall rules. This is
>> N> how I separate my 'guest' wireless from my wired machines. Wired is
>> N> on a highly configurable Cisco router, Wireless is on standard
>> N> Netgear wireless router/firewall2 -> subnet2.
>> 
>> This is what I used to do when I had multiple fixed IP addresses. Each
>> router had its own fixed IP address, and behaved just as you
>> described. . My current [and only broadband monopoly - Comcast] ISP
>> has dynamic IPs and ONLY ONE AT A TIME. If I want what I had before I
>> would have to get a 'business class' account for a LOT more money.
>> 
>> So, what I want to do is have isolation using only one IP address.

N> You only get one dynamic IP from Comcast modem.
N> Specifically, what router are you using?

Netgear FVS318 - 8 ports, wired. Old, but still running... :-)

-- 

 rikona