Martin Hauser 3f02309538 fix(ipam): Avoid allocating IPv6 subnet-router anycast address (#21547) ...

Ensure available IP selection for IPv6 non-pool prefixes excludes the
subnet-router anycast address (RFC 4291), so allocation starts at ::1
for typical prefixes (e.g. /64).
Add tests for IPv4/IPv6 pools and special cases (/31-/32, /127-/128).

Fixes #21347

2026-03-03 08:26:44 -08:00

8.9 KiB

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