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Load Balancing over 2 sites

Louis-M

We have 50 sites on an MPLS network connected to 2 central sites. The 2 central sites (60 miles apart) are directly connected to each other via a 100mb link.

Everything goes out of central site A as that is our only egress from the network.

We want to add another internet connection but this time at central site B. We want to load balance and offer redundancy here.

Can the UTM do this? We would link the UTM at central site A to UTM at central site B via the 100mb line. All remote sites would come into central site A or central site B via MPLS and the UTM's would decide what to do with them.

Now I know you can load balance etc with a single UTM with 2 internet connections at the same site but can the above be achieved eg load balance with 2 UTM's with a single internet connection at each site?



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  • 0
    In WebAdmin parlance, "Load Balancing" normally refers to servers and "Uplink Balancing" to WAN connections. Are you thinking about having two WAN connections be backups for each other while sharing the need for upload bandwidth or about having servers at central location B with the same content as those in A?

    Cheers - Bob
  • 0 in reply to BAlfson
    It would be the former ie backups and shared bandwidth.
  • 0 in reply to Louis-M
    OK, in that situation, I would balance the uplink usage by dividing the sites into two groups - one that goes through A and the other through B. To backup each other, you will need appropriate Multipath, Firewall and Masquerading rules in each location. I suspect that you will decide to replace existing static routes with Multipath rules. You also could create a VPN between the two UTMs that would be a backup for the direct connection.

    Cheers - Bob
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  • 0 in reply to Louis-M
    OK, in that situation, I would balance the uplink usage by dividing the sites into two groups - one that goes through A and the other through B. To backup each other, you will need appropriate Multipath, Firewall and Masquerading rules in each location. I suspect that you will decide to replace existing static routes with Multipath rules. You also could create a VPN between the two UTMs that would be a backup for the direct connection.

    Cheers - Bob
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