AWS Config Rules: ELB Cross Zone Load Balancing Enabled

ELB_CROSS_ZONE_LOAD_BALANCING_ENABLED

Fernando Honig

Last Update 8 bulan yang lalu

Description: Checks if cross-zone load balancing is enabled for the Classic Load Balancers (CLBs). This rule is NON_COMPLIANT if cross-zone load balancing is not enabled for a CLB.


Trigger type: Configuration changes


AWS Region: All supported AWS regions except Asia Pacific (Jakarta), Asia Pacific (Hyderabad), Asia Pacific (Osaka), Asia Pacific (Melbourne), Europe (Spain), Europe (Zurich) Region


How to Resolve this Manually

Cross-Zone load balancing distributes traffic evenly across all targets in the Availability Zones enabled for the load balancer. In the AWS Console this is Enabled by Default when creating a CLB, but for reference can usually be found in the "Step 5: Add EC2 Instances" phase when constructing a new CLB.


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