Routing
SLA-scored uplink failover
The SLA agent scores every uplink and moves a flow off a failing link on the next probe cycle.
GA5 s cycle
HOW IT WORKS
Walk through a single flow
- 1Each route target is probed every five seconds over ICMP, DNS or HTTP.
- 2Latency, loss and jitter roll into one score per uplink; a rule set to 'auto' follows the best score.
- 3A rule can fall back to a named uplink, or drop rather than leave in the clear.
- 4Hysteresis keeps a borderline link from flapping.
UNDER THE HOOD
Technical notes
Why in-process?
The probe loop runs inside the agent rather than on an external schedule, so a target that has gone bad is scored on the next five-second cycle instead of on the next cron run.
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