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Practical example
Here is a simple failover test procedure:
count=0; lost=0 while true; do ping -c 1 -W 1 10.0.0.1 > /dev/null 2>&1 if [ ((lost + 1)) echo "Packet ((count + 1)) sleep 1 done
Run this while you trigger failover. Count consecutive lost packets. At second intervals, lost packets means seconds of downtime. Compare against your SLA requirements.
