[Bug 262292] Seemingly not possible for IPv6 to function over tap devices on if_bridge
Date: Mon, 10 Nov 2025 00:17:40 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=262292
Brad Ackerman <brad@facefault.org> changed:
What |Removed |Added
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CC| |brad@facefault.org
--- Comment #9 from Brad Ackerman <brad@facefault.org> ---
I've got this problem on 14.3p5 (but not involving tap). Host has a /64, guests
get other IPs in that /64, and I've got a bridge set up for the jails to
connect to. auto_linklocal is turned on on both sides.
tcpdump on the bridge shows well-formed neighbor solicitation requests sent to
the solicited multicast address. They're never answered and don't appear in ndp
output.
net.inet6.icmp6.nd6_onlink_ns_rfc4861 doesn't make any difference.
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