Date: Mon, 27 Oct 2008 19:46:02 -0300 From: "Marc G. Fournier" <freebsd@hub.org> To: freebsd-net@freebsd.org Subject: tap+bridge -> ethernet with an alias ... Message-ID: <C6A3C687D9CDFDD6E90CB132@ganymede.hub.org>
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On my desktop here, I have a qemu-img of Win XP that is using bridging to
connect to the Internet ... everything works great, even have remote desktop
working so that I can login from another windows box into the VM ... and very
responsive ...
... but this is on a private network where the ethernet doesn't have any
aliases attached to it ...
I've tried uploading the image (after changing the IP) to one of my servers
with a public interface on it, but now can't seem to get networking working ...
my ifconfig -a looks like:
bge0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu
1500
options=98<VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM>
ether 00:14:c2:3f:2e:86
inet xxx.xxx.xxx.xxx netmask 0xffffff00 broadcast xxx.xxx.xxx.255
inet 192.168.1.1 netmask 0xffffff00 broadcast 192.168.1.255
inet xxx.xxx.xxx.xxx netmask 0xffffffff broadcast xxx.xxx.xxx.xxx
media: Ethernet 100baseTX <full-duplex>
status: active
bge1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM>
ether 00:14:c2:3f:2e:85
media: Ethernet autoselect (none)
status: no carrier
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
inet 127.0.0.1 netmask 0xff000000
bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
ether ce:44:c7:1b:47:40
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: bge0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
ifmaxaddr 0 port 1 priority 128 path cost 200000
member: tap0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
ifmaxaddr 0 port 5 priority 128 path cost 2000000
tap0: flags=8942<BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
ether 00:bd:96:ae:67:00
the 192.168.1.x is used for 'internal routing' ...
when I startup qemu, I use:
qemu winxp.img -net nic -net tap -vnc :1
and I can connect via VNC, but the IP assigned to the image isn't pingable,
like it is on my desktop ...
Is there something with 'pre-aliased' interfaces that can't be used with a
bridge/tap device? Or have I just missed something?
- --
Marc G. Fournier Hub.Org Hosting Solutions S.A. (http://www.hub.org)
Email . scrappy@hub.org MSN . scrappy@hub.org
Yahoo . yscrappy Skype: hub.org ICQ . 7615664
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