From owner-freebsd-net@freebsd.org Tue Nov 27 08:56:37 2018 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D5E701140807 for ; Tue, 27 Nov 2018 08:56:36 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 664C76C3A6 for ; Tue, 27 Nov 2018 08:56:36 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 2AC811140806; Tue, 27 Nov 2018 08:56:36 +0000 (UTC) Delivered-To: net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 084161140805 for ; Tue, 27 Nov 2018 08:56:36 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 812186C398 for ; Tue, 27 Nov 2018 08:56:35 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id ADCBD7551 for ; Tue, 27 Nov 2018 08:56:34 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id wAR8uYBC083833 for ; Tue, 27 Nov 2018 08:56:34 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id wAR8uYZB083832 for net@FreeBSD.org; Tue, 27 Nov 2018 08:56:34 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 233535] Machines lost ping6 after adding same IPv6 address Date: Tue, 27 Nov 2018 08:56:33 +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: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: slavash@FreeBSD.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: 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 MIME-Version: 1.0 X-Rspamd-Queue-Id: 664C76C3A6 X-Spamd-Result: default: False [2.10 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_SPAM_LONG(0.62)[0.618,0]; NEURAL_SPAM_MEDIUM(0.73)[0.730,0]; ASN(0.00)[asn:10310, ipnet:2001:1900:2254::/48, country:US]; NEURAL_SPAM_SHORT(0.75)[0.749,0] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Nov 2018 08:56:37 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D233535 --- Comment #4 from Slava Shwartsman --- (In reply to Conrad Meyer from comment #1) Same issue appeared when setting the prefix: HOST A: ifconfig igb0 inet6 2002::1/64 HOST B: ifconfig igb0 inet6 2002::2/64 # ping6 2002::2 PING6(56=3D40+8+8 bytes) 2002::1 --> 2002::2 16 bytes from 2002::2, icmp_seq=3D0 hlim=3D64 time=3D0.266 ms 16 bytes from 2002::2, icmp_seq=3D1 hlim=3D64 time=3D0.087 ms ^C --- 2002::2 ping6 statistics --- 2 packets transmitted, 2 packets received, 0.0% packet loss round-trip min/avg/max/std-dev =3D 0.087/0.176/0.266/0.090 ms # ifconfig igb0 inet6 2002::1/64 # ping6 2002::2 PING6(56=3D40+8+8 bytes) fe80::ec4:7aff:fea8:b7f6%igb0 --> 2002::2 ^C --- 2002::2 ping6 statistics --- 54 packets transmitted, 0 packets received, 100.0% packet loss # netstat -rn Routing tables Internet: Destination Gateway Flags Netif Expire default 10.209.52.1 UGS igb0 10.209.52.0/22 link#1 U igb0 10.209.52.157 link#1 UHS lo0 127.0.0.1 link#3 UH lo0 Internet6: Destination Gateway Flags N= etif Expire ::/96 ::1 UGRS = lo0 ::1 link#3 UH = lo0 ::ffff:0.0.0.0/96 ::1 UGRS = lo0 2002::/64 link#1 U = igb0 2002::1 link#1 UHS = lo0 fe80::/10 ::1 UGRS = lo0 fe80::%igb0/64 link#1 U = igb0 fe80::ec4:7aff:fea8:b7f6%igb0 link#1 UHS = lo0 fe80::%lo0/64 link#3 U = lo0 fe80::1%lo0 link#3 UHS = lo0 ff02::/16 ::1 UGRS = lo0 (In reply to Andrey V. Elsukov from comment #3) I would expect that ping will continue to work. --=20 You are receiving this mail because: You are the assignee for the bug.=