[Durham] Two Broadband Connections, One Wireless Printer. Options?

Richard Mortimer richm at oldelvet.org.uk
Fri Jul 4 20:45:25 UTC 2014


On 04/07/2014 20:07, Andrew Glass wrote:
> Hey guys
> Ive got 2 broadband connections at home, BT and Virgin fibre.
> My girlfriend uses the bt connection and has a wireless canon printer
> attached.  I’m on the fibre.
> The bt connection has a bt home hub as its router, the virgin connection
> has my tplink wdr-3600 router on it.
> Im trying to figure out a way to allow my tower to connect to the
> printer on the other network without having to move cables.
Does your tower have 2 network ports? If so then you could wire the 
tower to the home hub and setup a static IP configuration on that 
connection that doesn't have a default route. That way the tower can 
connect to the printer's IP address but doesn't use it for internet 
access. That would require that both BT and tplink routers were 
configured to use different local networks.

In theory you could connect with only one network port on your tower but 
that would require a bit of magic that might be a bit too complex/fragile.

Another option might be to get the wdr-3600 to treat the bt home hub lan 
as an internally routed subnet. I think the WDR3600 will do VLANs so you 
could configure it to do that and then setup the routing on the WDR3600 
to just forward the BT subnet to the right place.
The OpenWRT documentation for the router suggests it would work but I 
don't know if you have that or the factory firmware installed.


> Can it be done with the equipment I have? Im stumped.
> Cheers
> Andy
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