AWS - Elastic Load Balancing
You set up a load balancer but all traffic goes to a single server. What is the likely mistake?
You set up a load balancer but all traffic goes to a single server. What is the likely mistake?
medium📝 Debug Q14 of 15
Step-by-Step Solution
Solution:
Step 1: Check target group configuration
If only one instance is registered in the target group, all traffic goes to that instance.Step 2: Verify listener and load balancer existence
Listener forwarding on wrong port or missing load balancer would cause no traffic or errors, not single server traffic.Final Answer:
Target group has only one instance registered -> Option DQuick Check:
Single server traffic = one target instance [OK]
Quick Trick: Check target group instance count first [OK]
Common Mistakes:
- Assuming listener port causes single server traffic
- Thinking load balancer absence sends traffic
- Blaming security group for traffic routing
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