[Hudlug] Two routers on 1 LAN

[Craven Computer Services]

Hi,

Have you had a look networking over mains?  Brilliant piece of kit. Here 
is the link - http://www.solwise.co.uk/net-powerline.htm

PL-14PE

Regards

Brian
T/as Craven Computer Services




Ben Carter wrote:

> Hi,
>
>> Last week I talked to Paul about the physical difficulties of additional
>> cat5 wiring, and we discussed the possibility of adding a second WAP to
>> overcome my difficulties.  The unit that arrived today is an Acer 
>> WLAN 11g
>> Broadband Router which will also give me a 4-port switch - surely
>> enough :-)
>
>
>> Currently the LAN goes through a similar unit in another part of the 
>> house,
>> with an IP range of 192.168.0.  Paul suggested that I should configure
>> this new one on a separate subnet, and since the default is 192.168.1 I
>> will stick to that.  I prefer to use static IP, so I'll ignore the setup
>> for DHCP.  The first setup screen once that is selected asks for
>
>
>> I'm familiar with a normal router setup, but how do I tackle it 
>> here?  This
>> router will not be directly attached to the Internet.  It must 
>> communicate
>> with the other subnet to go outside the LAN.  Once that's done, the rest
>> of the setup looks straightforward.
>
>
> I'm unsure of exactly the features the acer will give you, however the 
> following should help.
>
> 1 - you need to have this AP and the other AP on the same ip subnet as 
> the first one, unless you have a device capable of routing between 
> them. Most broadband routers have 2 interfaces to the routing process 
> - the broadband link, and the local LAN. The Local LAN then has at 
> layer 2 the 4 switch ports and the Wireless Interface.
>
> 2 - it seems that all your trying to do is extend your house LAN. You 
> really need to have the 2nd AP wired into the LAN, or you'll need to 
> have the wireless interface set to repeat to the first AP. (Not good 
> for lots and lots of reasons - and the acer might not even support this)
>
> 3 - ensure both APs are using very different channels. 802.11g has 
> channel overlap, so I'd suggest 1 AP on channel 1 and the other on 
> channel 13.
>
> 4 - If you can get past the setup screen for the WAN interface and 
> DNS, fake it, it's all layer 3 stuff anyway, which you won't be using. 
> Just ensure the default gateway of your PCs etc.. is the true gateway.
>
>> Then I have to work out how to bridge the two subnets.  The main 
>> unit, the
>> D-Link, looks as though it can function as a bridge.  Can anyone please
>> give me an outline of what I need to look for, and how to begin?  As I
>> said, I lose some functionality as soon as I start work on this, so I 
>> need
>> to know what I'm doing from the start.
>
>
> You can't "bridge" subnet's in the IP sense, you have to route. 
> Bridging is a layer 2 operation.
>
> I have to ask - why did you buy a broadband router etc... when it 
> won't be connected to a broadband line. A simple Wireless AP/bridge 
> seems far more suitable?
>
> Ben.
>
>
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