Server with two dsl-lines

[Angelo Sarto]

Sure, I think this is possible, just to clarify, you are looking to
make the Host (a) acessible by either outside IP (you can even do it
at the same time using a shared vnc connection, mouse fight ;)

A simple solution:  install a second NIC in the computer, set it up so
they are on different networks (e.g. 192.168.0.5 and 192.168.1.5)  Set
up the default gateways (which can be set up individually for each NIC
192.168.0.1 and 192.168.1.1)  forward ports on each router.  for
dynamic dns use the router as the dynamic dns client (if you can)
otherwise this may be a bit tougher.

Note: the host (a) will still send all its non-vnc traffic out of one
interface You can configure which one by going to network and dial up
connections then on the menu choose Advanced->Advanced Settings, once
there change the provider order in the top box (whoever's on top wins)

If you really want it to do both what you need is load balancing and
this is both complicated and not usually worth the effort as getting
protocols through load balancers is either a Big pain or costs a
decent amount of money.

Good luck,
Angelo


On Thu, 10 Feb 2005 23:42:46 +0100, Markus Becker
<markus.becker "at" surfeu.de> wrote:
> The question is kind of network related, but maybe someone can point me
> into the right direction.
> 
> A wxp-prof pc (a) hosts a vnc-server.
> The pc has internet access through a dsl router whith dynamic ip assignment.
> The pc has its standard-gateway pointing to the local ip of the router,
> the router is properly configured to forward the needed ports to the
> pc's ip ("virtual server").
> The Client has internet-access with dynamic ip.
> The Client can get the hosts public ip using dynamic dns.
> This layout works properly.
> 
> Now pc (a) gets a second dsl line connected though a second dsl-router,
> also dynamic ip and dynamic dns support.
> 
> What I am trying to achieve is the possibillity to connect to the
> vnc-server using both lines alternativly.
> 
> * I manage to use the second line by changing the default gateway (which
> renders the first line unusable)
> * I manage to use the second line if i know then actual ip of a client
> by manually setting a route to the client
> 
> I am looking for a possibility to solve the routing problem
> automatically. I thought about a second ip for the host pc, a second
> network adapter with separate ip, some custom software to manipulate the
> routes using the windows ip-helper api, but i have the strong feeling
> that i might miss the right solution because of my limited knowlage of
> ip networking.
> 
> Any suggestions? Thank you for your help.
> 
> Markus Becker
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-- 
--Angelo
Note:My response times may be a bit slower as 
I am back in school