Date: Sat, 08 Dec 2018 11:16:41 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 233535] Machines lost ping6 after adding same IPv6 address Message-ID: <bug-233535-7501-wFdZlJSmIs@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-233535-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-233535-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D233535 --- Comment #9 from Andrey V. Elsukov <ae@FreeBSD.org> --- It seems the problem is even worse. The system leaves multicast groups after some time without any reconfiguration and stops to reply to ND6 NS. 1. ifmcstat before test: em0: inet 10.9.8.6 igmpv2 group 224.0.0.1 mode exclude mcast-macaddr 01:00:5e:00:00:01 inet6 fe80::222:4dff:fe6a:5eb9%em0 scopeid 0x1 mldv1 flags=3D2<USEALLOW> group ff01::1%em0 scopeid 0x1 mode exclude mcast-macaddr 33:33:00:00:00:01 group ff02::1%em0 scopeid 0x1 mode exclude mcast-macaddr 33:33:00:00:00:01 2. ifconfig em0 inet6 fc00::2 3. ifmcstat em0: inet6 fe80::222:4dff:fe6a:5eb9%em0 scopeid 0x1 mldv1 flags=3D2<USEALLOW> group ff02::2:d4f1:c447%em0 scopeid 0x1 mode exclude mcast-macaddr 33:33:d4:f1:c4:47 group ff02::2:ffd4:f1c4%em0 scopeid 0x1 mode exclude mcast-macaddr 33:33:ff:d4:f1:c4 group ff02::1:ff00:2%em0 scopeid 0x1 mode exclude mcast-macaddr 33:33:ff:00:00:02 inet 10.9.8.6 igmpv2 group 224.0.0.1 mode exclude mcast-macaddr 01:00:5e:00:00:01 inet6 fe80::222:4dff:fe6a:5eb9%em0 scopeid 0x1 mldv1 flags=3D2<USEALLOW> group ff01::1%em0 scopeid 0x1 mode exclude mcast-macaddr 33:33:00:00:00:01 group ff02::1%em0 scopeid 0x1 mode exclude mcast-macaddr 33:33:00:00:00:01 4. Wait about 1 minute 5. ifmcstat=20 em0: inet 10.9.8.6 igmpv2 group 224.0.0.1 mode exclude mcast-macaddr 01:00:5e:00:00:01 inet6 fe80::222:4dff:fe6a:5eb9%em0 scopeid 0x1 mldv1 flags=3D2<USEALLOW> group ff01::1%em0 scopeid 0x1 mode exclude mcast-macaddr 33:33:00:00:00:01 group ff02::1%em0 scopeid 0x1 mode exclude mcast-macaddr 33:33:00:00:00:01 6. On the second host: ndp -c && ping6 fc00::2 =3D> no reply --=20 You are receiving this mail because: You are the assignee for the bug.=
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