Normal state
Traffic goes from Client to Load Balancer to the primary server. Backup remains idle until needed.
Failover in Load Balancer
See how traffic moves from a failed primary server to a backup path or redistributes across healthy servers. Switch between Active / Passive and Active / Active to compare real failover behavior.
Mode: Active / Passive
Speed: Instant
Traffic: ON
Send Traffic
Primary Server
Auto Failure Detection
Client
Traffic source
Sending requests
Load Balancer
Decision Logic
Route all traffic to Primary
Failover Detection
Monitoring primary health
Server A
Primary
Healthy
Server B
Backup
Healthy
Healthy
Down
Transition
Traffic flow
Failure event
When Server A fails, the load balancer stops using it and starts failover handling.
Recovery
After recovery, traffic returns to normal policy based on the selected mode.