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Date:      Wed, 05 Nov 2025 01:56:26 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 290803] EC2 cloud-init images do not configure IPv6 addresses
Message-ID:  <bug-290803-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D290803

            Bug ID: 290803
           Summary: EC2 cloud-init images do not configure IPv6 addresses
           Product: Base System
           Version: 14.3-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: misc
          Assignee: bugs@FreeBSD.org
          Reporter: matt@mystile.com

The EC2 "cloud-init" images only configure IPv4 addresses. Using an EC2 "ba=
se"
image works as expected, configuring both IPv4 and IPv6 addresses.

FreeBSD 14.3-RELEASE-amd64 UEFI-PREFERRED cloud-init UFS
(ami-01b9f803df2f82f5b)

# ifconfig ena0
ena0: flags=3D1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metr=
ic 0
mtu 9001
        options=3D200423<RXCSUM,TXCSUM,JUMBO_MTU,LRO,RXCSUM_IPV6>
        ether 12:09:42:4d:91:91
        inet 192.168.2.88 netmask 0xffffff00 broadcast 192.168.2.255
        media: Ethernet autoselect (Unknown <full-duplex>)
        status: active
        nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>

FreeBSD 14.3-RELEASE-amd64 UEFI-PREFERRED base UFS (ami-0d24cb75ef497bce8)

# ifconfig ena0
ena0: flags=3D1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metr=
ic 0
mtu 9001
        options=3D200423<RXCSUM,TXCSUM,JUMBO_MTU,LRO,RXCSUM_IPV6>
        ether 0e:2a:b5:16:22:0f
        inet 192.168.0.220 netmask 0xffffff00 broadcast 192.168.0.255
        inet6 fe80::c2a:b5ff:fe16:220f%ena0 prefixlen 64 scopeid 0x1
        inet6 2600:1f18:6f26:b00:300:ce3b:da91:75a4 prefixlen 128
        media: Ethernet autoselect (Unknown <full-duplex>)
        status: active
        nd6 options=3D23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL>

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