Forum Discussion

Ricardo_Raza_14's avatar
Ricardo_Raza_14
Icon for Nimbostratus rankNimbostratus
Mar 21, 2018

ISPs load Balancing

Hi I Have an LTM and GTM modules, I need to do a load balancing of ISPs, but I have a doubt, to traffic outside is clear for me but, for example I have services like web application and mail with a públic IP, what is the correct configuration in F5 for example if my publics IP are from one ISP what happen if this link down and the ISP2 begin to work, how the traffic don't lose and continue receiving traffic from the internet.

 

  • For any service you want to publish, you have to create one virtual server on each link, then assign both virtual servers on wideIp pool.

     

  • ISP load balancing done by Link controller module, you have link controller module on your device?

     

    • Stanislas_Piro2's avatar
      Stanislas_Piro2
      Icon for Cumulonimbus rankCumulonimbus

      Link controller features are l4 only ltm features and single data center gtm features!

       

      With both ltm and gtm, he can do like LC. This is the required configuration in some cases like

       

      • lc throughput is too small
      • dynamic routing required
      • l7 load balancing is required
  • ISP load balancing done by Link controller module, you have link controller module on your device?

     

    • Stanislas_Piro2's avatar
      Stanislas_Piro2
      Icon for Cumulonimbus rankCumulonimbus

      Link controller features are l4 only ltm features and single data center gtm features!

       

      With both ltm and gtm, he can do like LC. This is the required configuration in some cases like

       

      • lc throughput is too small
      • dynamic routing required
      • l7 load balancing is required