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Add missing --ipv6 flag to IPvlan L3 dual-stack example#24720

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dvdksn:fix/issue-19337-ipvlan-l3-ipv6-flag
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Add missing --ipv6 flag to IPvlan L3 dual-stack example#24720
dvdksn wants to merge 1 commit intodocker:mainfrom
dvdksn:fix/issue-19337-ipvlan-l3-ipv6-flag

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@dvdksn dvdksn commented Apr 14, 2026

Summary

  • Adds the missing --ipv6 flag to the dual-stack IPv4/IPv6 IPvlan L3 mode network creation example
  • Without this flag, the IPv6 subnet in the docker network create command is silently ignored

Fixes #19337

Test plan

  • Verify the corrected command creates a dual-stack network with both IPv4 and IPv6 subnets
  • Confirm the example is consistent with other dual-stack examples in the same page (e.g., the L2 mode example which already includes --ipv6)

🤖 Generated with Claude Code

The dual-stack IPv4/IPv6 IPvlan L3 network creation example was
missing the --ipv6 flag, which is required when specifying IPv6
subnets. Without it, the IPv6 subnet is silently ignored.

Fixes docker#19337

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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@dvdksn
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dvdksn commented Apr 14, 2026

Duplicate — the fix is in #24718.

@dvdksn dvdksn closed this Apr 14, 2026
@dvdksn dvdksn deleted the fix/issue-19337-ipvlan-l3-ipv6-flag branch April 14, 2026 09:23
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Making a level 3 IPVLAN requires --ipv6 flag

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