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Mon, 17 Feb 2025 06:20:08 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 284857] wg(4): IPv4 packet with IPv6 nexthop not forwarded Date: Mon, 17 Feb 2025 06:20:08 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 15.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: lexi@hemlock.eden.le-fay.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284857 Bug ID: 284857 Summary: wg(4): IPv4 packet with IPv6 nexthop not forwarded Product: Base System Version: 15.0-CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: net@FreeBSD.org Reporter: lexi@hemlock.eden.le-fay.org using src ~f5aff1871d3273b3cd3621ea5d3e37cdd807e66f on amd64. example Ethernet route: # ifconfig igc3 igc3: flags=3D1008843 metr= ic 0 mtu 1500 description: fuchsia =20=20=20=20=20=20=20 options=3D4e420bb ether 207c.14f3.d8f5 inet6 fe80::1%igc3/64 scopeid 0x4 media: Ethernet autoselect (1000baseT ) status: active nd6 options=3D1 # route -n get 81.187.47.195 route to: 81.187.47.195 destination: 81.187.47.195 gateway: fe80::2%igc3 fib: 0 interface: igc3 flags: recvpipe sendpipe ssthresh rtt,msec mtu weight expire 0 0 0 0 1500 1 0=20 ping works: # ping -S 81.187.47.196 81.187.47.195 PING 81.187.47.195 (81.187.47.195) from 81.187.47.196: 56 data bytes 64 bytes from 81.187.47.195: icmp_seq=3D0 ttl=3D64 time=3D0.318 ms example Wireguard route: # ifconfig wg1 wg1: flags=3D10080c1 metric 0 mtu 1420 description: yarrow options=3D80000 inet6 fe80::1%wg1/64 scopeid 0xf groups: wg tunnelfib: 1 nd6 options=3D101 # route -n get 46.235.229.111 route to: 46.235.229.111 destination: 46.235.229.111 gateway: fe80::2%wg1 fib: 0 interface: wg1 flags: recvpipe sendpipe ssthresh rtt,msec mtu weight expire 0 0 0 0 1420 1 0=20 ping doesn't work: # ping -S 81.187.47.196 46.235.229.111 PING 46.235.229.111 (46.235.229.111) from 81.187.47.196: 56 data bytes ping: sendto: Address family not supported by protocol family ping: sendto: Address family not supported by protocol family ping: sendto: Address family not supported by protocol family the wg interface is configured with "allowed ips: ::/0, 0.0.0.0/0" and is running over an IPv6 transport. traffic forwarded via this system is also affected: any traffic via this ro= ute is silently dropped. --=20 You are receiving this mail because: You are the assignee for the bug.=