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cyborg
cyborg

Reputation: 21

All traffic forwarded by load balancer to one target

I have an AWS Network Load Balancer with 2 EC2 instances registered as targets. The problem arising in it is that all the load is forwarded to only one of the 2 instances, which beats the whole purpose of having a load balancer.

I have checked the following things:-

  1. Both the instances are healthy
  2. Cross-Zonal Load Balancing is enabled

Is there any other reason why this is happening? If yes, then how to fix it

Upvotes: 0

Views: 814

Answers (1)

Marcin
Marcin

Reputation: 238727

Is there any other reason why this is happening? If yes, then how to fix it

Yes. A most likely reason is that your NLB is using different AZs than your EC2 instances. Probably one instance is located in an AZ not enabled for the NLB.

Upvotes: 1

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