[TriLUG] linux routing example

[Jon Carnes]

On Wed, 2003-10-29 at 15:58, Jeremy Portzer wrote:
> On Wed, 2003-10-29 at 14:54, Frye, Matthew wrote:
> 
> > I understand the intention here and that is the point I was trying to make.
> > Even if you're working with disparate ISP's, you can mux the connections
> > into one pipe for transition purposes
> 
> I don't understand how you are going to accomplish this "mux" -- at what
> level?  The two T1 connections are from disparate ISPs, different
> subnets, different routers, etc.   There is no control "upstream." 
> Traffic would be coming down the different ISPs as the DNS changes take
> effect across the Internet, once the DNS change is complete, everything
> would pass across the "new" ISP.
> 
> --Jeremy

Well it isn't a mux but in the case of an outage, you could have the
edge routers for the ISP's do NAT and shuttle the traffic over to the
other ISP.

Jon