tap+bridge -> ethernet with an alias ...

[Marc G. Fournier]

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As an appendum, I have the following kernel modules loaded:

 4    1 0xffffffffaf49c000 5066     if_bridge.ko
 5    1 0xffffffffaf483000 35c5     bridgestp.ko
 6    1 0xffffffffaf493000 2506     if_tap.ko

same as on my desktop ...

- --On Monday, October 27, 2008 19:46:02 -0300 "Marc G. Fournier" 
<freebsd at hub.org> wrote:

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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 at hub.org                              MSN . scrappy at hub.org
> Yahoo . yscrappy               Skype: hub.org        ICQ . 7615664
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- -- 
Marc G. Fournier        Hub.Org Hosting Solutions S.A. (http://www.hub.org)
Email . scrappy at hub.org                              MSN . scrappy at hub.org
Yahoo . yscrappy               Skype: hub.org        ICQ . 7615664
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