Qemu Access Network help

[Maurizio Caloro <mauric%gmx.ch@localhost>]

Hello Group
i running with Netbsd 6.0.1, and i have install Qemu 2.0 with one VM Server
installed with Microsft Srv, but i become (with dhcp) IP Adress 0.0.0.0.

Syntax:
qemu-system-x86_64 -m 2048 -hda /usr/Srv2003.img -net nic,model=e1000

if running command without "net nic" i have a valid from Qemu-DHCP
Address 10.0.2.15/24
here i can only ping me own address :-)

bridge, and brconfig done but without success, me aspect are that me Windows
machine can ping from bothside me network and reach the internet.

Please can you give me more help to see me misake?
Thanks
Mauri

hp7900# dmesg | grep wm0
wm0 at pci0 dev 25 function 0: 82567LM-3 LAN Controller (rev. 0x02)
wm0: interrupting at ioapic0 pin 19
wm0: PCI-Express bus
wm0: FLASH
wm0: Ethernet address 00:24:81:04:3e:0c

hp7900$ ifconfig -a
wm0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
       
capabilities=7ff80<TSO4,IP4CSUM_Rx,IP4CSUM_Tx,TCP4CSUM_Rx,TCP4CSUM_Tx,UDP4CSUM_Rx,UDP4CSUM_Tx,TCP6CSUM_Rx,TCP6CSUM_Tx,UDP6CSUM_Rx,UDP6CSUM_Tx,TSO6>
        enabled=0
        address: 00:24:81:04:3e:0c
        media: Ethernet autoselect (100baseTX full-duplex)
        status: active
        inet 192.168.0.103 netmask 0xffffffe0 broadcast 192.168.0.127
        inet6 fe80::224:81ff:fe04:3e0c%wm0 prefixlen 64 scopeid 0x1
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 33648
        inet 127.0.0.1 netmask 0xff000000
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
bridge0: flags=41<UP,RUNNING> mtu 1500
tap0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
        address: f2:0b:a4:81:1b:04
        media: Ethernet autoselect
        inet 192.168.0.105 netmask 0xffffff00 broadcast 192.168.0.255
        inet6 fe80::f00b:a4ff:fe81:1b04%tap0 prefixlen 64 scopeid 0x4

hp7900$ brconfig -a
bridge0: flags=41<UP,RUNNING>
        Configuration:
                priority 32768 hellotime 2 fwddelay 15 maxage 20
                ipfilter disabled flags 0x0
        Interfaces:
                tap0 flags=3<LEARNING,DISCOVER>
                        port 4 priority 128
        Address cache (max cache: 100, timeout: 1200):
hp7900$