On 11/26/15 6:05 AM, Henry wrote:
> We connect to the world through a DSL modem which by necessity is
> located in the centre of our facility. This modem has four LAN ports.
> There is a Cat5e line running from one of those ports (LAN1) about 10
> metres to our work-room where it connects to the WAN port of a router
> which links the four computers and two printers on our LAN. In the
> opposite direction from the modem runs another ethernet line (from LAN2)
> about 8 metres to an individual workstation.
> The modem gets its WAN address from the ISP, obviously, and its LAN
> address is fixed at 192.168.10.1. The LAN address of the individual
> workstation is 192.168.10.2 and the WAN address of the router in the
> main room is 192.168.10.3. The LAN address of the router is 192.168.1.1
> and the six units connected to it are .2, .3, .4 etc. The sub-net for
> everything (except the WAN side of the modem) is 255.255.255.0. DHCP is
> off in both the modem and the router.
> All the computers can get out to the internet. The four computers
> connected to the router can all print to both printers and move files
> amongst themselves.
> What I want is for the individual workstation which is not connected to
> the router (and can't be, because of the distance involved and layout of
> the office) to be able to print and share files with the devices in the
> main room, i.e., for it to be on the same LAN.
> How do I configure the router (and/or the modem) to be able to do that?
> I've been experimenting with various IP combinations but so far all I've
> managed to do is lock up the modem twice! (Fortunately the 'reset'
> button sorted that out.) I also tried linking the individual workstation
> and the router through a pair of PowerLine devices but the speed hit
> (compared to the wired gigabit ethernet link) made web browsing
> unacceptably slow for the manager using that computer. :-(
> Thanks in advance for any advice.
Simplest thing to do is replace the router with a Ethernet "switch".
That way all PCs & printers would be on the same 192.168.10.x network.
(Switches themselves do not have an IP address, unless they are
This assumes you are not using the router also as a WiFi access point
. If so, move the router to the modem, and connect the switch and the
lone PC to it.