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ISDN & DSL gateway on same network?

  • 20-11-2008 12:49pm
    #1
    Philbert
    Registered Users, Registered Users 2 Posts: 358 ✭✭


    Hi Folks,

    I have a simple SBS network with an asynchronous Satellite DSL connection. We would like to add an ISDN line to the network so that some clients can RDP outbound through the ISDN connection (better RDP performance) instead of the Satellite connection (poor RDP performance because of latency).

    If I connect the ISDN router directly to the switch then clients would need to manually change their gateway when using RDP and then change it back when finished. This is not an option. They need to be able to use the DSL connection for internet and the ISDN connection for RDP. Without any user intervention required.

    I’m thinking that I might be able to use a router with two external interfaces, one for DSL and one for ISDN. I could then set up a rule on this router to route all RDP (port 3389) sessions through the ISDN gateway, and everything else through DSL.

    I can’t find such a device and I’m wondering if this approach would even work? Is there an easier/better way to do this?

    Any thoughts much appreciated..

    Thanks.


Comments

  • #2
    Snaga
    Registered Users, Registered Users 2 Posts: 1,562 ✭✭✭Snaga


    If its a common set of RDP servers then you could add a of static route to each RDP server on each client pc - forcing IP traffic to those destination IP's to use the ISDN gateway IP.

    Might save you a few quid if theres not many clients/servers.


  • #3
    preilly79
    Closed Accounts Posts: 627 ✭✭✭preilly79


    go to command prompt:

    route add -p *target IP address* mask 255.255.255.0 *gateway address*


  • #4
    Philbert
    Registered Users, Registered Users 2 Posts: 358 ✭✭Philbert


    Yes, its just one remote RDP server with a static IP address.

    So all I need to do is the following on each client?


    route add -p *IP Address of RDP Server* mask 255.255.255.0 *Gateway Address of ISDN Router*

    Is it that straight forward?!


  • #5
    Webmonkey
    Registered Users, Registered Users 2 Posts: 9,579 ✭✭✭Webmonkey


    Philbert wrote: »
    Yes, its just one remote RDP server with a static IP address.

    So all I need to do is the following on each client?


    route add -p *IP Address of RDP Server* mask 255.255.255.0 *Gateway Address of ISDN Router*

    Is it that straight forward?!
    As long as the ISDN router is on the same network then I'd believe so yes. But you'd have to give it a lower metric than the default one afaik. I done it few years ago, had a similar scenario.


  • #6
    Philbert
    Registered Users, Registered Users 2 Posts: 358 ✭✭Philbert


    Thanks for your help guys. :)


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