Date: Sun, 4 Mar 2012 19:45:29 +0100 From: Paul Schenkeveld <freebsd@psconsult.nl> To: freebsd-emulation@freebsd.org, freebsd-net@freebsd.org Subject: if_bridge stops when running virtualbox 4.1.8 Message-ID: <20120304184529.GA57370@psconsult.nl>
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Hi,
I just noticed that when running Virtualbox 4.1.8 with a bridged network
interface, I loose connectivity to another virtual host running in qemu
whose network interface is bridged to my ethernet interface. After
stopping the Virtualbox instance, I regain connection to the virtual
host under qemu. Ifconfig doesn't give a clue. Has anyone seen this
behaviour or, even better, have a solution?
My host is running 8.2-RELEASE, here's the relevant ifconfig output:
em0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu
+1500
options=2098<VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC>
ether 00:1f:16:xx:xx:xx
inet 10.0.0.10 netmask 0xffffff00 broadcast 10.0.0.255
nd6 options=3<PERFORMNUD,ACCEPT_RTADV>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
tap0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu
+1500
options=80000<LINKSTATE>
ether 00:bd:32:xx:xx:xx
nd6 options=3<PERFORMNUD,ACCEPT_RTADV>
Opened by PID 13433
bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
ether 8a:55:3f:xx:xx:xx
id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
maxage 20 holdcnt 6 proto rstp maxaddr 100 timeout 1200
root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0
member: tap0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
ifmaxaddr 0 port 5 priority 128 path cost 2000000
member: em0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
ifmaxaddr 0 port 1 priority 128 path cost 20000
vboxnet0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
ether 0a:00:27:00:00:00
Thanks!
Paul Schenkeveld
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