0f5ef9b62a
Previously, the prefix delegation is enabled when at least one downstream interfaces request it. But, when the DHCPv6 client on the upstream interface is configured, some downstream interfaces may not exist yet, nor have .network file assigned. Also, if a system has thousands of interfaces, then the previous logic introduce O(n^2) search. This makes the prefix delegation is always enabled, except when it is explicitly disabled. Hopefully, that should not break anything, as the DHCPv6 server should ignore the prefix delegation request if the server do not have any prefix to delegate.
System and Service Manager
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