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Error while assigning public IPv6 to a subnet

Accepted answer
edited Apr 22, 2021 11:24AM in Oracle Cloud Infrastructure - General 15 comments


I have successfully assigned an IPv6 block to my VCN. When I try to assign a block to my subnet within the same VCN, it asks me to choose an IPV6 CIDR block. 

The IPv6 assigned to my VCN: 2603:c020:4002:6c00::/56

I am trying to assign the following to my subnet:


The GUI lets me edit only the '91' part in there, as demonstrated above.

When I confirm the change, it fails with an error (image attached). I have tried destroying the resources and recreating the VCN, subnet, etc., for troubleshooting. IPv4 works fine, and I can create resources without any hiccups.

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