- Connecting two networks to share broadband
- Posted by Mark BR on July 2nd, 2006
I can't find the simple answer using Google and the like ...............
I want a network of three computer and a router upstairs and another network
of two computers and another router downstairs - this network connects to
the Internet.
Can is simply run a normal cat 5 cable from one router to the other to
connect the two networks and let all computer see the Internet?
Mark BR
- Posted by Roger Mills on July 2nd, 2006
In an earlier contribution to this discussion,
Mark BR <briley@x-privat.it> wrote:
Are you trying to create one network or two? In other words, are you happy
for the 3 machines upstairs and the 2 machines downstairs all to be able to
see each other? If so, you only really have *one* network, and the simplest
solution - apart from cabling considerations would be a single router with 5
or more ports.
If this is so, you could achieve what you want with a simple network switch
downstairs - connected to one of the ports on the router upstairs - you
don't actually need an extra router.
If you *do* use a second router, it can be used just as a switch - just
connect one of its ethernet ports to the upstairs router, and don't connect
anything to the ADSL input. But you'll have to watch the allocation of IP
addresses - if you're using DHCP, only *one* router - probably the upstairs
one - must have its DHCP server function enabled. The second router must be
manually given a unique IP address in the same subnet as the rest of your
network. I think if I were doing it, I'd allocate *all* the addresses
manually and disable DHCP entirely.
--
Cheers,
Roger
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- Posted by Richard M Willis on July 2nd, 2006
"Mark BR" <briley@x-privat.it> wrote in message news:44a7f85b$0$17952$892e7fe2@authen.yellow.readf reenews.net...
I'm somewhat concerned by your usage of the word "router" ?
The normal way is just to connect n computers in the house into the
ports at the back of an (n+1)-way hub or switch and connect the remaining
port to the ethernet presentation of the broadband modem.
Do I understand you correctly, that you want to have two distinct networks
in the house, to provide isolation ?
Richard [in SG19]
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- Posted by Philip Herlihy on July 2nd, 2006
If you don't need separate (albeit linked) networks, why not bung a Wireless
Access point on the downstairs network and put wireless cards (or USB
adapters, or a single Ethernet connected client plus switch) upstairs? In
fact, my ADSL modem/router/WAP has four Ethernet ports plus wireless, so
does everything I need in one box.
PH, London
===========
"Mark BR" <briley@x-privat.it> wrote in message
news:44a7f85b$0$17952$892e7fe2@authen.yellow.readf reenews.net...
- Posted by Marcus Houlden on July 2nd, 2006
On Sun, 2 Jul 2006 17:45:43 +0100, Mark BR <briley@x-privat.it>
wrote the following to uk.comp.misc:
Sounds a bit complex for 5 machines. I'd go for a *switch* in each location
with either a pair of wireless ethernet bridges or a long network cable
between them, and then a single router to connect to the net. Something like
http://img266.imageshack.us/my.php?image=net4nm.gif would do.
mh.
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- Posted by Ian Davies on July 2nd, 2006
"Mark BR" <briley@x-privat.it> wrote in message
news:44a7f85b$0$17952$892e7fe2@authen.yellow.readf reenews.net...
people ready to help.
All you need is a router and a load of cable, simple as that.
- Posted by Mark McIntyre on July 2nd, 2006
On Sun, 2 Jul 2006 17:45:43 +0100, in uk.telecom.broadband , "Mark BR"
<briley@x-privat.it> wrote:
Yep, connect LAN port to LAN port on the two routers, disable DHCP in
one of htem, and you'll have one network, sharing an internet
connection.
--
Mark McIntyre
- Posted by Mark BR on July 2nd, 2006
Ian Davies wrote:
Thanks to all for the replies.
Had found practicallynetworked but didn't quite give me an answer.
I am trying to avoid lots of cables from downstairs to upstairs (it's
further than it sounds!) but in a few months time will need two routers so
prefered that to a switch. I was not aware of the need to disable DHCP.
Now I know what to do
Many thanks to all
Mark BR
- Posted by Simon Dobson on July 3rd, 2006
Roger Mills wrote:
Yup.
Recommended, but not essential. It could have an IP on a completely
different subnet, but it'd still work as a switch. Of course you
wouldn't be able to administer it ;-) But it would work.
- Posted by Roger Mills on July 3rd, 2006
In an earlier contribution to this discussion,
Simon Dobson <replytogroup@nospam.domain.invalid> wrote:
By default, it may well have the *same* IP address as the other router -
particularly if they are the same model - and that *certainly* wouldn't
work!
--
Cheers,
Roger
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monitored.. Messages sent to it may not be read for several weeks.
PLEASE REPLY TO NEWSGROUP!
- Posted by Simon Dobson on July 3rd, 2006
Roger Mills wrote:
No, that would cause a problem!
- Posted by [L.] on July 3rd, 2006
On Sun, 2 Jul 2006 22:28:41 +0100, "Mark BR" <briley@x-privat.it>
wrote:
Considering that a switch can be had for a tenner (I got one from
ebuyer not long ago), and a few months is a _long_ time away, I'd have
a single router and a switch.
If you need to segregate the two networks, Vigor routers allow you to
have up to 4 separate VLANs, invisible to each other, both connected
to the same BB connection, with traffic limiting, etc.
HIH
Lorenz
[L.]
- Posted by Dave Saville on July 3rd, 2006
On Sun, 2 Jul 2006 22:28:41 +0100, Mark BR wrote:
Curious as to why you think you will need two routers.
--
Regards
Dave Saville
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- Posted by Conor on July 3rd, 2006
In article <44a7f85b$0$17952$892e7fe2@authen.yellow.readfreen ews.net>,
Mark BR says...
via DHCP and make sure the default gateway is set to the IP address of
the router downstairs.
--
Conor
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- Posted by Conor on July 3rd, 2006
In article <e890dh$549$1$8302bc10@news.demon.co.uk>, Philip Herlihy
says...
--
Conor
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- Posted by Marcus Houlden on July 3rd, 2006
On Mon, 3 Jul 2006 16:53:58 +0100, Conor <conor.turton@gmail.com>
wrote the following to uk.comp.misc:
Not to mention the fun you can have when your router needs rebooting. At
home I have a D-Link switch plugged into a somewhat flaky Linksys WAG54GS
router which needs rebooting every few days. My MP3 library is stored on the
Linux machine and gets played on the XP machine via a Samba share. At least
with a separate switch I can do what I need to on the router without losing
the local network at the same time.
mh.
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- Posted by Mark BR on July 3rd, 2006
Dave Saville wrote:
I've got the family coming for a couple of months. They are bringing their
own network and broadband (being transfered). When they leave with their
network I'll keep the broadband but would then need my own router. Currently
only have two computers so use a X over cable and dial up connection.
Thanks for the advice
Mark BR
