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Warn about reserved IPv6 addresses in examples#24715

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dvdksn merged 1 commit intodocker:mainfrom
dvdksn:fix/issue-13552-ipv6-reserved-addr-warning
Apr 14, 2026
Merged

Warn about reserved IPv6 addresses in examples#24715
dvdksn merged 1 commit intodocker:mainfrom
dvdksn:fix/issue-13552-ipv6-reserved-addr-warning

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@dvdksn dvdksn commented Apr 14, 2026

Summary

The "Create an IPv6 network" and "Use IPv6 for the default bridge network"
sections used RFC 3849 documentation-reserved addresses (2001:db8::/64)
without warning, causing users to copy unusable configuration. Added notes
to both sections — matching the existing style in "Dynamic IPv6 subnet
allocation" — warning about the reserved range and suggesting ULA subnets
from fd00::/8 as a replacement.

Closes #13552

Generated by Claude Code

)

The "Create an IPv6 network" and "Use IPv6 for the default bridge
network" sections used RFC 3849 documentation-reserved addresses
(2001:db8::/64) without warning, causing users to copy unusable
config. Added notes matching the existing style in "Dynamic IPv6
subnet allocation", warning about the reserved range and suggesting
ULA subnets from fd00::/8 as a replacement.

Co-Authored-By: Claude <noreply@anthropic.com>
@dvdksn dvdksn added the status/review Pull requests that are ready for review label Apr 14, 2026
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@dvdksn dvdksn requested a review from a team April 14, 2026 06:54
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LGTM

@dvdksn dvdksn merged commit 3af6ed9 into docker:main Apr 14, 2026
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@dvdksn dvdksn deleted the fix/issue-13552-ipv6-reserved-addr-warning branch April 14, 2026 07:40
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fixed-cidr-ipv6 is not adequately documented

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