Date: Wed, 03 Feb 2016 06:55:47 -0800 From: "Chris H" <bsd-lists@bsdforge.com> To: <freebsd-current@freebsd.org> Subject: Re: arp flapping after udating system to 11-CURRENT. Message-ID: <fb6bc4b427bcf5285bbca4aaafd07016@ultimatedns.net> In-Reply-To: <56B1ACDF.30807@pean.org> References: <56B1ACDF.30807@pean.org>
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On Wed, 3 Feb 2016 08:31:43 +0100 Peter Ankerstål <peter@pean.org> wrote > Hi! > > I recently upgraded my system to 11-CURRENT (FreeBSD 11.0-CURRENT #0 > r295087: Sun Jan 31 10:21:31 CET 2016) and after that all of my other > devices in the network complains about arp-flapping: > > arp: 172.25.0.1 moved from 00:00:24:d0:9e:5d to 02:e8:ea:15:66:00 on re0 > arp: 172.25.0.1 moved from 02:e8:ea:15:66:00 to 00:00:24:d0:9e:5d on re0 > arp: 172.25.0.1 moved from 00:00:24:d0:9e:5d to 02:e8:ea:15:66:00 on re0 > FWIW I'm seeing this too. As it happened; I had just changed upstream providers, getting a larger static block (IP's), as well as updating my long overdue -CURRENT. So I simply blamed it on their (upstream) network. I'd love to get to the bottom of this, and would be happy to help. FreeBSD dev-box 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r294112: Mon Jan 18 14:25:01 PST 2016 root@dev-box:/usr/obj/usr/src/sys/DEVBOX amd64 src is at Revision: 406193 --Chris > > It seems to be flapping between the virtual mac of my bridge interface > and the actual mac adress on the physical interface. This was not the > case when i ran FreeBSD 10.2. Is there some settings I need to do? > > > bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu > 1500 > description: wired <-> wifi bridge > ether 02:e8:ea:15:66:00 > inet 172.25.0.1 netmask 0xffffff00 broadcast 172.25.0.255 > inet6 2001:470:de59::1 prefixlen 64 > inet6 fe80::2%bridge0 prefixlen 64 scopeid 0xb > nd6 options=1<PERFORMNUD> > groups: bridge > id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15 > maxage 20 holdcnt 6 proto rstp maxaddr 2000 timeout 1200 > root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0 > member: wlan2 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP> > ifmaxaddr 0 port 10 priority 128 path cost 66666 > member: wlan1 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP> > ifmaxaddr 0 port 9 priority 128 path cost 66666 > member: wlan0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP> > ifmaxaddr 0 port 8 priority 128 path cost 22222 > member: em1 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP> > ifmaxaddr 0 port 2 priority 128 path cost 2000000 > > em1: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 > mtu 1500 > description: wired LAN > > options=42098<VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,VLAN_HWTSO> > ether 00:00:24:d0:9e:5d > nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> > media: Ethernet autoselect (1000baseT <full-duplex>) > status: active > > > /Peter.
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