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How to access Elasticache Serverless over IPv6?

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According to the documentation, Elasticache supports IPv6/dualstack but there is no mention on how to configure this for serverless and the default endpoints are IPv4 only. Is there anything that can be done to enable native IPv6 connectivity?

Topics
ServerlessNetworking & Content DeliveryDatabase
Tags
Amazon ElastiCacheServerlessIPv6
Language
English
asked 3 months ago61 views
1 Answer
1
Accepted Answer

Hi,

ElastiCache Serverless does not currently support native IPv6 connectivity for cache data plane connections. The NetworkType parameter (ipv4, ipv6, dual_stack) is available for managed ElastiCache clusters and not for Serverless.

The October 2025 announcement Amazon ElastiCache now supports dual-stack (IPv4 and IPv6) service endpoints applies to the AWS management/control plane API, not data plane connections to Serverless caches.

If native IPv6 connectivity to the cache is required, you can use a managed ElastiCache cluster (Valkey 7.2+ or Redis OSS 6.2+) with the --network-type dual_stack or --network-type ipv6 parameter, backed by dual-stack subnets.

Please refer to below documentation: Choosing a network type in ElastiCache

AWS
answered 2 months ago

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