Load balancing two ADSL routers - any recommendations?

Chris G cl at isbd.net
Sun Nov 1 10:29:06 UTC 2009


On Sat, Oct 31, 2009 at 03:34:43PM -0400, CLIFFORD ILKAY wrote:
> Chris G wrote:
> > I have two phone lines and two ADSL routers running with different
> > ISPs. These provide internet access for a small network of (mostly)
> > Ubuntu linux machines.
> > 
> > I am setting up a small 'server' machine which, among other things, I
> > would like to handle the internet access by providing load sharing
> > and failover.
> 
> Hello Chris,
> 
> Others have suggested various options like pfsense and ebox and you've 
> rejected them because they would more or less take over your machine. 
> Based on my experience, I'd recommend that you separate the 
> routing/firewalling from the server not because the server can't handle 
> it but because quite often, you have different upgrade cycles on those 
> things. If you don't want two physical machines, run the server in a 
> virtual machine and let the physical machine, or another virtual 
> machine, act as the router/firewall. Complex networking like you have in 
> mind in a virtual machine is probably more challenging but it's not 
> impossible, depending on the virtualization technology you employ.

That's a possibility I guess, I already use VirtualBox quite a lot on
my desktop so I'm familiar with that.

On the other hand I don't want a firewall at all in the server, just
the ability to do the routing.

-- 
Chris Green





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