Re: Trying to assemble home LAN with 4 routers, need help with subnets!
- From: "Chris Shearer Cooper" <chrisnews@xxxxxxx>
- Date: Mon, 25 Jul 2005 23:20:14 -0600
Aha! I read the article more closely and voila! I have one nice little
subnet instead of two. Very clever. Thanks for the advice!
Actually, the DSL modem is a Cisco 678 so it's got routing capabilities. It
was a real pain getting Remote Desktop working into the desktop, I had to
set up port forwarding on 3 different routers ...
So the only issue remaining, and maybe it's hopeless ... when we play
Galactic Battlegrounds, I have to host on the desktop; if the laptop hosts,
the desktop can't find the game. I suspect it's related to the ping issue.
It makes sense; the firewall/VPN router doesn't know that the laptop exists
on the far side of the wireless router ... I was thinking about setting up
some port forwarding to get through the wireless router to the laptop, but
the only way I know to do port forwarding is to a static IP, and I don't
want to assign the laptop a static IP because I unplug it and take it to
work with me. Is there a way to do port forwarding in this situation? Or
is this what UPnP forwarding was designed for?
Thanks!
Chris
"Chuck" <none@xxxxxxxxxxx> wrote in message
news:jfebe1p7ob4sff1k3mi5romjlps5fo01cm@xxxxxxxxxx
> On Mon, 25 Jul 2005 22:13:07 -0600, "Chris Shearer Cooper"
> <chrisnews@xxxxxxx>
> wrote:
>
>>"Chuck" <none@xxxxxxxxxxx> wrote in message
>>news:u38be1l5gql7j4md1fpv321av94vid5s5r@xxxxxxxxxx
>>> On Mon, 25 Jul 2005 20:09:09 -0600, "Chris Shearer Cooper"
>>> <chrisnews@xxxxxxx>
>>> wrote:
>>>
>>>>First let me describe the situation ... first comes a DSL router, then a
>>>>router that does my VoIP, then a router that does my firewall and VPN,
>>>>then
>>>>a wireless router. What a pain.
>>>>
>>>>I've gotten pretty good at getting things to basically function, but I
>>>>don't
>>>>know enough to get things to work like I really want.
>>>>
>>>>For example - the wireless router plugs into one of the ports on the
>>>>firewall/VPN router. Right now, I've got the firewall/VPN router set to
>>>>a
>>>>subnet of 192.168.2.*, and the wireless router set to a subnet of
>>>>192.168.3.*. I used to have the wireless router set to "gateway" mode,
>>>>which meant that my laptop (on the wireless router) was able to use a
>>>>printer on my main computer (on the firewall/VPN router). However, some
>>>>of
>>>>the multi-player games my son and I like to play didn't function
>>>>properly
>>>>in
>>>>that mode, so I tried setting the wireless router to "router" mode (it
>>>>recommended that anyway) and it didn't help the multi-player games, and
>>>>now
>>>>the laptop can't share the printer.
>>>>
>>>>Do folks have recommendations about where I can go to learn more about
>>>>how
>>>>routers differ from gateways, how to get subnets working properly, what
>>>>Windows needs to have file/printer sharing work, what multi-player games
>>>>require of their network, that sort of thing?
>>>>
>>>>Thanks!
>>>>Chris
>>>
>>> Chris,
>>>
>>> I'm not really clear how the "DSL router" and the VOIP router are setup.
>>> Do you
>>> mean that the 4 routers are connected in series?
>>> Internet <=> DSL router <=> VOIP router <=> firewall / VPN <=> wireless
>>> or is it more complicated?
>>>
>>> Is the only problem between the firewall and wireless routers? That's
>>> an
>>> easy
>>> one to fix. Use the wireless router as a WAP.
>>> <http://nitecruzr.blogspot.com/2005/06/file-sharing-on-lan-with-two-routers.html>
>>>
>>> If that's not it, please repost, and provide more detail as to what
>>> connects to
>>> what.
>
>>You are correct that currently, all 4 routers are connected in series.
>>
>>I don't see any setting on the router for WAP (it's a LinkSys WRT54GS) but
>>it's got an "Operating Mode" I can switch between Router and Gateway; I'm
>>thinking that Gateway might be the equivalent of WAP, it lets the laptop
>>(on
>>the wireless router) see a shared drive on the desktop (on the
>>firewall/VPN
>>router).
>>
>>What's strange in this setup, is that the laptop can ping the desktop but
>>not vice-versa. I set up some static routing in the VPN/Firewall router
>>that directs 192.168.3.* via gateway 192.168.2.139 (which is the static IP
>>of the wireless router in the VPN/Firewall router's subnet) but that
>>doesn't
>>help. What can I look into, to find out why that is?
>>
>>See if I can draw this with ASCII characters ...
>>
>>(Internet IP)
>>DSL modem
>>11.0.0.1
>> |
>>11.0.0.5
>>VoIP router
>>192.168.14.1
>> |
>>192.168.14.2
>>VPN/firewall router
>>192.168.2.1 --------- 192.168.2.160 desktop
>> |
>>192.168.2.139
>>Wireless router
>>192.168.3.1 ----------- 192.168.3.5 laptop
>
> Chris,
>
> OK, your layout is approximately what I was thinking. And the DSL device
> is a
> MODEM not a ROUTER. Thank you.
>
> The relationship between the laptop and the desktop pinging is not
> strange -
> it's what you should expect.
>
> Don't waste time looking for a WAP setting on the router, read the article
> which
> I listed previously. It was written for precisely this situation. The
> article
> explains how to use the wireless router as a WAP.
>
> --
> Cheers,
> Chuck, MS-MVP [Windows - Networking]
> http://nitecruzr.blogspot.com/
> Paranoia is not a problem, when it's a normal response from experience.
> My email is AT DOT
> actual address pchuck mvps org.
.
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