On 12/09/2016 12:44, Lars Engels wrote:
On Mon, Sep 12, 2016 at 12:21:48PM +0000, Grzegorz Junka wrote:
I am following the official guide:

https://www.freebsd.org/doc/handbook/virtualization-host-bhyve.html

After installing Centos6 and starting the guest there is no network
inside the VM:

[root@localhost ~]# ping 8.8.8.8
connect: Network is unreachable
[root@localhost ~]# ifconfig
lo        Link encap:Local Loopback
            inet addr:127.0.0.1  Mask:255.0.0.0
            inet6 addr: ::1/128 Scope:Host
            UP LOOPBACK RUNNING  MTU:65536  Metric:1
            RX packets:4 errors:0 dropped:0 overruns:0 frame:0
            TX packets:4 errors:0 dropped:0 overruns:0 carrier:0
            collisions:0 txqueuelen:0
            RX bytes:260 (260.0 b)  TX bytes:260 (260.0 b)

On the host:

root@ultrabook:~ # ifconfig
ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290
          ether 74:2f:68:cb:d6:2a
          nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
          media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng
          status: associated
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
          options=600003<RXCSUM,TXCSUM,RXCSUM_IPV6,TXCSUM_IPV6>
          inet6 ::1 prefixlen 128
          inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
          inet 127.0.0.1 netmask 0xff000000
          nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
          ether 02:6c:a7:69:c7:00
          nd6 options=9<PERFORMNUD,IFDISABLED>
          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: tap0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                  ifmaxaddr 0 port 4 priority 128 path cost 2000000
          member: wlan0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                  ifmaxaddr 0 port 5 priority 128 path cost 66666
tap0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 
1500
          options=80000<LINKSTATE>
          ether 00:bd:b1:16:00:00
          nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
          media: Ethernet autoselect
          status: active
          Opened by PID 1918
wlan0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 
1500
          ether 74:2f:68:cb:d6:2a
          inet 192.168.8.101 netmask 0xffffff00 broadcast 192.168.8.255
          nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
          media: IEEE 802.11 Wireless Ethernet MCS mode 11ng
          status: associated
          ssid HUAWEI-7DC4 channel 1 (2412 MHz 11g ht/20) bssid 
94:fe:22:5c:7d:c4
          regdomain 96 indoor ecm authmode WPA2/802.11i privacy ON
          deftxkey UNDEF AES-CCM 2:128-bit txpower 20 bmiss 7 scanvalid 60
          protmode CTS ampdulimit 64k ampdudensity 8 shortgi wme burst
          roaming MANUAL

I am using the following commands to load the kernel:

    grub-bhyve -m device.map -r hd0,msdos1 -M 2048 centos
    ls (hd0,msdos1)/
    linux (hd0,msdos1)/vmlinuz-2.6.32-642.el6.x86_64 
root=/dev/mapper/VolGroup-lv_root
    initrd (hd0,msdos1)/initramfs-2.6.32-642.el6.x86_64.img
    boot

and start the guest:

    bhyve -c 4 -m 2048M -A -H -P \
       -s 0:0,hostbridge \
       -s 1:0,lpc \
       -s 2:0,virtio-net,tap0 \
       -s 3:0,virtio-blk,/dev/zvol/tank4/centos6v \
       -l com1,stdio \
       centos

The following has been added to /etc/rc.conf:

cloned_interfaces="bridge0 tap0"
ifconfig_bridge0="addm wlan0 addm tap0"

/boot/loader.conf

vmm_load="YES"
nmdm_load="YES"
if_bridge_load="YES"
if_tap_load="YES"

What I am missing?
You cannot bridge the tap and wlan device.
This only works with fixed ethernet devices. What you can do is set up
NATing with pf / ipfw so your bhyve VMs are "behind" your host.

Why not? The handbook doesn't say that only specific devices can be bridged?

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