My Oracle Support Banner

Private Network Needs Explicit Allowlisting for Group Replication (Doc ID 2254022.1)

Last updated on JANUARY 03, 2022

Applies to:

MySQL Server - Version 5.7 to 5.7 [Release 5.7]
Information in this document applies to any platform.


Disclaimer: Starting from v8.0, some terms have been deprecated. Older releases will only use the deprecated terminology, and new releases will only use new terminology. Please see for a complete list of those changes, and in which minor versions it happened.

Why does private network "172.20.x.x" need to be added to the allowlist explicitly?

For the purpose of this document the default/examples from MySQL public manual for path/directory/port/etc are being used here, you should change to the correct data from your system.

According to documentation:

By default set to AUTOMATIC, which permits connections from private subnetworks active on the host. Active interfaces on the host are scanned and those with addresses on private subnetworks are automatically added to the permitted list.


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.