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@berry2012 berry2012 commented Aug 7, 2025

Added consideration for pod subnets

Issue: #1088

AWS CNI issue in EKS Auto Mode with custom networking:
If pod subnet and node subnet AZs are different, you get the error below:

: code = Unknown desc = failed to setup network for sandbox \\\\\\\"3439630630da069c2ec612c33ce370b0f05d02a68e2e8366d30c64e0bdced8eb\\\\\\\": plugin type=\\\\\\\"aws-cni\\\\\\\" name=\\\\\\\"aws-cni\\\\\\\" failed (add): add cmd: failed to assign an IP address to container\\\"\" pod=\"default/php-apache-75c7c84c8d-g9rgb\" podUID=\"e235a82e-c321-4225-b72d-72ca7b851227\"",
        "_SYSTEMD_INVOCATION_ID" : "2bda7f4cba074d08b49d2c46a70a8a6d"

Description of changes:
Added AZ consideration for Pod and Node subnets

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Added consideration for pod subnets
@berry2012 berry2012 requested a review from geoffcline as a code owner August 7, 2025 10:48
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@pgasca pgasca self-assigned this Aug 11, 2025
@pgasca pgasca removed the request for review from geoffcline August 11, 2025 23:08
@pgasca pgasca merged commit e68123a into awsdocs:mainline Aug 11, 2025
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dxc-work pushed a commit to dxc-work/amazon-eks-user-guide that referenced this pull request Dec 4, 2025
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2 participants