From nobody Thu Apr 21 02:15:23 2022 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 5497111E4712 for ; Thu, 21 Apr 2022 02:15:23 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4KkLjR0T9yz4n7l for ; Thu, 21 Apr 2022 02:15:23 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id E50411FAB2 for ; Thu, 21 Apr 2022 02:15:22 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 23L2FM6c076181 for ; Thu, 21 Apr 2022 02:15:22 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 23L2FMJu076180 for net@FreeBSD.org; Thu, 21 Apr 2022 02:15:22 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 263288] IPv6 system not responding to Neighbor Solicitation Date: Thu, 21 Apr 2022 02:15:23 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.0-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: zlei.huang@gmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1650507323; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=jRFXnlSxz0+/0hmloR+8unE0LaRO/gPVcObvNMFsH0g=; b=f+ISZEFVd9uzPF9muOaoMdRu/8AZ1wgX0/V4i49Tb/K/pzm1w1mTX6y5szbCheThmnGchR YZ5jotWV5PKCYOZ7+KbuyEqSQ1maucgVPNYHoICG6ptdF5kERKo9rgPvkC7Ghr2NvSB+JC QI7zpYZ1vNsc3V5X57Fc51BP3XFcOZEz1A6jyZxvXheD98YWkZ1TVcXfLbgI1XLqOkmEmQ fa+sTJgMhANGyDTBgtsUMQpPICGSAOOvqrzxN7kMpUJfRiO1dAedcxVa5RbFCQac0AZy5E mgXZaBpZHJilyEnKuZz6MYKEwchiWb7E7IvSvUJ88407IQ1A76lOr/4UZ59IoA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1650507323; a=rsa-sha256; cv=none; b=hxfnvXmf7d2om647H/Yxs7Fc5JJ+tUMZ201oD4qKbgpWmYtkWdkqnHfD/96CWxIGowCPKe KBRAy0HtgQ65YmBFw9cGfo5e6J0868lM0kqVx+HMHQu6ZcYh4CmYKNgdV5RR0aLEQIehDW pzUWB4l0/NVKIZKJuYn6pv8wHI8lOZvFNNxYUMJk7zODNc2QGvn9/d38oKBd/3PJMF6MKj W5EpsZBsEoyL+YrLIeR7XTGtkf26jyVjd9apLPUM68M+B/jhS3FhWuyyTSbNakHEvOddAm 4zD/s03Nesfc/QHg0kYlhFYGDOxv2GEhi9hNZvvvK6IomT6gIfc02+Y0pXPP2g== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D263288 --- Comment #9 from Zhenlei Huang --- (In reply to wcarson.bugzilla from comment #8) > It seems it thinks there are lots of bad Neighbor Solicitation messages?= =20 neighbor solicitation: 359208 357910 bad neighbor solicitation messages It is about 99.64% bad NS messages. Looks weird. > Is there a way to understand why it thinks they're bad? Yes, there is a sysctl knob 'net.inet6.icmp6.nd6_debug' which is default of= f. You can turn it on. # sysctl net.inet6.icmp6.nd6_debug=3D1 And then monitor the log from kernel: # tail -F /var/log/messages --=20 You are receiving this mail because: You are the assignee for the bug.=