Enable zonal shift for your Network Load Balancer
Zonal shift is disabled by default and must be enabled on each Network Load Balancer before zonal shift controls are available. This ensures only the Network Load Balancers you want are available to zonal shift.
Cross-zone enabled Network Load Balancers
Before you can enable zonal shift for your cross-zone enabled Network Load Balancer, all target groups attached to the load balancer must:
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have cross zone load balancing enabled (or be set to
use_load_balancer_configuration)-
For more information on target group cross-zone load balancing, see Cross-zone load balancing for target groups.
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have connection termination disabled
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For more information on target group connection termination, see Connection termination for unhealthy targets.
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The steps in this procedure explain how to enable zonal shift using the Amazon EC2 console.
To enable zonal shift using the console
Open the Amazon EC2 console at https://console.amazonaws.cn/ec2/
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On the navigation pane, under Load Balancing, choose Load Balancers.
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Select the Network Load Balancer name.
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On the Attributes tab, choose Edit.
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Under Availability Zone routing configuration, set ARC zonal shift integration to Enable.
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Choose Save changes.
To enable zonal shift using the Amazon CLI
Use the modify-load-balancer-attributes command with the
zonal_shift.config.enabled attribute.