[Leaplist] Network topology to split WAN to two LANs

[patrick]

John Simpson wrote:
> On 2008-04-24, at 2340, patrick wrote:
>>>
>>> Actually, it is already split, because, the Broadband modem has only one
>>> output ethernet jack, but, I have a seperate two port firewall/router,
>>> and a 4 port (eth) plus wifi router with internal firewall.
> 
> so... just because you have a "two port router" means you HAVE to split
> your home network into two parts like this?
It was a case of creeping response to increasing needs.  Patching
together temporary solutions to teh growing complexity of a quickly
expanding network, phone system, and wifi support.

So, this is sorta like monday morning quarterbacking.
> 
> why not just go from the cable modem to an ipcop, and from there to one
> or more switches (or hubs) connected together as one logical segment?
> why make it any more complicated than it needs to be?
> 

First, there was a broadband modem, a single router, and two systems in
two rooms.

Then, the Vonage modem had to be plugged in.  It is now first in line
out of the broadband modem, second is the 2 port router.

> what i don't get, and what hank was asking, is why you WANT to logically
> split the network in the first place. if you need more than one physical
> connection in any given room, put a switch in there, with that switch's
> "uplink" port connected to the wall, and plug your other PCs into that.
> (if the switch doesn't have an "uplink" port, and the ports are not
> auto-sensing, you may need a crossover ethernet cable.)
> 
> if you have a wireless AP, just plug it into whatever connection is
> closest to where the unit will live. if it's a wireless "router", try
> leaving its WAN port empty, and just connect one of the LAN ports to the
> rest of the network. i'm doing that with a netgear WGR614v9 to provide
> wifi in my room- it works fine, but some wireless routers won't work
> that way (such as the "Trendnet TEW-432BRP" that i picked up from
> compusa for $30 before they closed... it works fine as a wireless router
> but cannot be made to work as "just an AP". i'm not using it, if
> somebody needs it, i'll sell it for the $30 i paid for it. contact me
> off-list.)
> 
> 
>>> There are six (6) cat5 cables homerun to different places in the
>>> building.
> 
> okay... so plug them all into a single switch, and plug another port on
> that same switch into the green side of your ipcop.
> 
> 
>>> I suspect it is wisest to come out of the modem, go into the second
>>> phone system MTA, then, proceed to the dual port router, then through
>>> the switch, with one output being the wifi router, strictly for wifi
>>> computers...
> 
> "second phone system MTA"... like a vonage box? just plug it into one of
> the internal switches. as long as it can use DHCP to get an IP address
> and find its way out to the rest of the internet, it should work just fine.
> 
> --------------------------------------------------------
> | John M. Simpson  --  KG4ZOW  --  Programmer At Large |
> | http://www.jms1.net/                 <jms1 at jms1.net> |
> --------------------------------------------------------
> |   Hope for America  --  http://www.ronpaul2008.com/  |
> --------------------------------------------------------
> 
> 
> 
> 
> 
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