Google Distributed Cloud (software only) for VMware V2 (Advanced Clusters) versions 1.31 and earlier were missing a...

Google Distributed Cloud (software only) for VMware V2 (Advanced Clusters) versions 1.31 and earlier were missing a configuration step in the node startup script that defined the Docker default bridge IP range. As a result, Docker defaulted to using the 172.17.0.0/16 (and in some cases 172.16.0.0/16) address range.

If this default range overlaps with customer network infrastructure, connectivity failures during cluster creation or operation can occur.

This issue has been resolved. The Docker default bridge IP for cluster nodes in advanced clusters is now explicitly set to 169.254.123.1/24.