Date: Wed, 05 Jan 2022 21:01:25 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 214746] Carp ipv6 duplicate address detection Message-ID: <bug-214746-7501-xSn5xcnI2O@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-214746-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-214746-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D214746 Nicolas <nicolas@deffayet.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |nicolas@deffayet.com --- Comment #3 from Nicolas <nicolas@deffayet.com> --- Hello, FreeBSD 12.3-RELEASE The issue is still exist but in a strange way, only the first carp interface have duplicated flag, other interfaces didn't have it (of course interfaces= are configured in same way) host1-master# ifconfig vlan6 vlan6: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric = 0 mtu 1500 options=3D600703<RXCSUM,TXCSUM,TSO4,TSO6,LRO,RXCSUM_IPV6,TXCSUM_IPV= 6> ether aa:aa:aa:aa:aa:aa inet 192.168.0.2 netmask 0xffffff00 broadcast 192.168.0.255 inet 192.168.0.1 netmask 0xffffff00 broadcast 192.168.0.255 vhid 6 inet6 fe80::aaaa:aaaa:aaaa:aaaa%vlan6 prefixlen 64 scopeid 0xf inet6 aaaa:bbbb:cccc:1::2 prefixlen 64 inet6 aaaa:bbbb:cccc:1::1 prefixlen 64 duplicated vhid 6 groups: vlan carp: MASTER vhid 6 advbase 1 advskew 0 vlan: 106 vlanpcp: 0 parent interface: lagg0 media: Ethernet autoselect status: active nd6 options=3D21<PERFORMNUD,AUTO_LINKLOCAL> host1-master# ifconfig vlan7 vlan7: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric = 0 mtu 1500 options=3D600703<RXCSUM,TXCSUM,TSO4,TSO6,LRO,RXCSUM_IPV6,TXCSUM_IPV= 6> ether aa:aa:aa:aa:aa:aa inet 192.168.1.2 netmask 0xffffff00 broadcast 192.168.1.255 inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255 vhid 7 inet6 fe80::aaaa:aaaa:aaaa:aaaa%vlan7 prefixlen 64 scopeid 0x10 inet6 aaaa:bbbb:cccc:2::2 prefixlen 64 inet6 aaaa:bbbb:cccc:2::1 prefixlen 64 vhid 7 groups: vlan carp: MASTER vhid 7 advbase 1 advskew 0 vlan: 107 vlanpcp: 0 parent interface: lagg0 media: Ethernet autoselect host2-slave# ifconfig vlan6 vlan6: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric = 0 mtu 1500 options=3D600703<RXCSUM,TXCSUM,TSO4,TSO6,LRO,RXCSUM_IPV6,TXCSUM_IPV= 6> ether bb:bb:bb:bb:bb:bb inet 192.168.0.3 netmask 0xffffff00 broadcast 192.168.0.255 inet 192.168.0.1 netmask 0xffffff00 broadcast 192.168.0.255 vhid 6 inet6 fe80::bbbb:bbbb:bbbb:bbbb%vlan6 prefixlen 64 scopeid 0xf inet6 aaaa:bbbb:cccc:1::3 prefixlen 64 inet6 aaaa:bbbb:cccc:1::1 prefixlen 64 vhid 6 groups: vlan carp: BACKUP vhid 6 advbase 1 advskew 100 vlan: 106 vlanpcp: 0 parent interface: lagg0 media: Ethernet autoselect status: active nd6 options=3D21<PERFORMNUD,AUTO_LINKLOCAL> host2-slave# ifconfig vlan7 vlan7: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric = 0 mtu 1500 options=3D600703<RXCSUM,TXCSUM,TSO4,TSO6,LRO,RXCSUM_IPV6,TXCSUM_IPV= 6> ether bb:bb:bb:bb:bb:bb inet 192.168.1.3 netmask 0xffffff00 broadcast 192.168.1.255 inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255 vhid 7 inet6 fe80::bbbb:bbbb:bbbb:bbbb%vlan7 prefixlen 64 scopeid 0x10 inet6 aaaa:bbbb:cccc:2::3 prefixlen 64 inet6 aaaa:bbbb:cccc:2::1 prefixlen 64 vhid 7 groups: vlan carp: BACKUP vhid 7 advbase 1 advskew 100 vlan: 107 vlanpcp: 0 parent interface: lagg0 media: Ethernet autoselect status: active nd6 options=3D21<PERFORMNUD,AUTO_LINKLOCAL> #=20 As suggested by Athanasios, entering manually again the address make duplic= ated flag disappear and so IPv6 address working. host1-master# ifconfig vlan6 inet6 aaaa:bbbb:cccc:1::1 prefixlen 64 vhid6 host1-master# ifconfig vlan6 vlan6: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric = 0 mtu 1500 options=3D600703<RXCSUM,TXCSUM,TSO4,TSO6,LRO,RXCSUM_IPV6,TXCSUM_IPV= 6> ether aa:aa:aa:aa:aa:aa inet 192.168.0.2 netmask 0xffffff00 broadcast 192.168.0.255 inet 192.168.0.1 netmask 0xffffff00 broadcast 192.168.0.255 vhid 6 inet6 fe80::aaaa:aaaa:aaaa:aaaa%vlan6 prefixlen 64 scopeid 0xf inet6 aaaa:bbbb:cccc:1::2 prefixlen 64 inet6 aaaa:bbbb:cccc:1::1 prefixlen 64 vhid 6 groups: vlan carp: MASTER vhid 6 advbase 1 advskew 0 vlan: 106 vlanpcp: 0 parent interface: lagg0 media: Ethernet autoselect status: active nd6 options=3D21<PERFORMNUD,AUTO_LINKLOCAL> host1-master# --=20 You are receiving this mail because: You are the assignee for the bug.=
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