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Administration Guide

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Performance SLA - SLA targets

SLA targets are a set of constraints that are used in SD-WAN rules to control the paths that traffic take.

The available constraints are:

  • Latency threshold: Latency for SLA to make decision, in milliseconds (0 - 10000000, default = 5).
  • Jitter threshold: Jitter for SLA to make decision, in milliseconds (0 - 10000000, default = 5).
  • Packet loss threshold: Packet loss for SLA to make decision, in percentage (0 - 100, default = 0).

To configure Performance SLA targets using the GUI:
  1. On the FortiGate, add wan1 and wan2 as SD-WAN members, then add a policy and static route. See SD-WAN quick start for details.
  2. Go to Network > Performance SLA.
  3. Create a new Performance SLA or edit an existing one. See Performance SLA - link monitoring.
  4. Enable SLA Targetsand configure the constraints. To add multiple SLA targets, use the CLI.

  5. Configured the remaining settings as needed, then click OK.
To configure Performance SLA targets using the GUI:
config system sdwan
    config health-check
        edit "server"
            set server "208.91.114.182"
            set members 1 2
            config sla
                edit 1
                    set link-cost-factor latency jitter packet-loss
                    set latency-threshold 10
                    set jitter-threshold 10
                    set packetloss-threshold 1
                next
            end
        next
    end
end

The link-cost-factor variable is used to select which constraints are enabled.

Performance SLA - SLA targets

SLA targets are a set of constraints that are used in SD-WAN rules to control the paths that traffic take.

The available constraints are:

  • Latency threshold: Latency for SLA to make decision, in milliseconds (0 - 10000000, default = 5).
  • Jitter threshold: Jitter for SLA to make decision, in milliseconds (0 - 10000000, default = 5).
  • Packet loss threshold: Packet loss for SLA to make decision, in percentage (0 - 100, default = 0).

To configure Performance SLA targets using the GUI:
  1. On the FortiGate, add wan1 and wan2 as SD-WAN members, then add a policy and static route. See SD-WAN quick start for details.
  2. Go to Network > Performance SLA.
  3. Create a new Performance SLA or edit an existing one. See Performance SLA - link monitoring.
  4. Enable SLA Targetsand configure the constraints. To add multiple SLA targets, use the CLI.

  5. Configured the remaining settings as needed, then click OK.
To configure Performance SLA targets using the GUI:
config system sdwan
    config health-check
        edit "server"
            set server "208.91.114.182"
            set members 1 2
            config sla
                edit 1
                    set link-cost-factor latency jitter packet-loss
                    set latency-threshold 10
                    set jitter-threshold 10
                    set packetloss-threshold 1
                next
            end
        next
    end
end

The link-cost-factor variable is used to select which constraints are enabled.