vde-switch.sh (FreeBSD) - Sets up VDE Switch and Bridged Tap Interfaces on FreeBSD Host for Virtual Guest Networking, details: http://bit.ly/freebsd-virtualbox

vde-switch FreeBSD.sh

#!/bin/sh

# ------------------------------
# vde-switch.sh
# Setup VDE switch and bridged tap interfaces
# FreeBSD 12-RELEASE
# Uses vde2 package
#
# *****
# MUST RUN AS ROOT!
# *****
#
# More information:
# http://bit.ly/freebsd-virtualbox
#
# Basically does this:
#
#  +---------+   +----+
#  |VDE      |---|tap0| (VDE tap, has local IP)
#  |SWITCH   |   +----+  
#  |"vde-ip" |           +-----------------------------------+
#  |         |===========| +-----------------------------------+
#  +---------+             | +-----------------------------------+
#      |                     | Oracle VirtualBox Virtual Machines|
#    +----+                  +-----------------------------------+
#    |tap1| (VDE Plug)
#    +----+ 
#      |
#      |          +--------+
#      +----------|bridge  |
#                 |bridge0 |
#                 +--------+
#                    |        +--------+
#                    +--------| tap2   | <--> QEMU SliTaz Linux
#                    |        +--------+
#                    |
#                    |        +--------+
#                    +--------| tap3   | <--> QEMU Debian/HP parisc
#                    |        +--------+
#                    |
#                    |        +--------+
#                    +--------| tap4   | <--> QEMU HPUX 11.11/HP parisc
#                    |        +--------+
#                    |
#                    |        +--------+
#                    +--------| tap5   | <--> QEMU XENIX 386
#                    |        +--------+
#                    |
#                    |        +--------+
#                    +--------| tap6   | <--> QEMU HPUX 10.20/HP parisc
#                             +--------+
#                    |
#                    |        +--------+
#                    +--------| tap7   | <--> Future Emulator
#                             +--------+
#                    |
#                    |        +--------+
#                    +--------| tap8   | <--> Future Emulator
#                             +--------+
#                    |
#                    |        +--------+
#                    +--------| tap9   | <--> Future Emulator
#                             +--------+
#
# ---
# /boot/loader.conf needs:
#    if_bridge_load="YES"
#    if_tap_load="YES"
#    kqemu_load="YES"
#    vboxdrv_load="YES"
#
# --
# /etc/rc.conf needs:
#    kqemu_enable="YES"
#    vboxnet_enable="YES"
#
# ---
# Example usage of tap2 interface from QEMU (SliTaz Linux virtual machine):
#    qemu-system-x86_64 -m 1024 -hda slitaz.qcow2.4GB.disk -boot c -net nic -net tap,ifname=tap2,script=no -nographic -vnc :0
#
# ---
# Example usage of VDE switch in Oracle VirtualBox compiled with VDE support:
#    vboxmanage modifyvm TrueOS --nic1 generic
#    vboxmanage modifyvm TrueOS --nicgenericdrv1 VDE
#    vboxmanage modifyvm TrueOS --nicproperty1 network=/tmp/vde-ip.ctl
#
# ---
# Supratim Sanyal
# supratim at riseup dot net
# http://tuklusan.decsystem.org/
# ------------------------------

ifconfig tap0 create
chmod 0666 /dev/tap0
ifconfig tap0 10.42.2.252/24 promisc up

ifconfig tap1 create
chmod 0666 /dev/tap1
ifconfig tap1 0.0.0.0 promisc up

/usr/local/bin/vde_switch -t tap0 -s /tmp/vde-ip.ctl -m 666 --mgmt /tmp/vde-ip.mgmt --mgmtmode 666 --daemon --fstp
/usr/local/bin/vde_plug2tap -s /tmp/vde-ip.ctl -m 666 -d tap1

sysctl net.link.tap.user_open=1
sysctl net.link.tap.up_on_open=1

# ---
# Now create a bridge, and bridge vdeplug "tap1" to  additional "tap2" ... "tapx" interfaces for
# qemu or other emulators that use tap
# ---

ifconfig tap2 create
ifconfig tap3 create
ifconfig tap4 create
ifconfig tap5 create
ifconfig tap6 create
ifconfig tap7 create
ifconfig tap8 create
ifconfig tap9 create
chmod 0666 /dev/tap2
chmod 0666 /dev/tap3
chmod 0666 /dev/tap4
chmod 0666 /dev/tap5
chmod 0666 /dev/tap6
chmod 0666 /dev/tap7
chmod 0666 /dev/tap8
chmod 0666 /dev/tap9
ifconfig tap2 0.0.0.0 promisc up
ifconfig tap3 0.0.0.0 promisc up
ifconfig tap4 0.0.0.0 promisc up
ifconfig tap5 0.0.0.0 promisc up
ifconfig tap6 0.0.0.0 promisc up
ifconfig tap7 0.0.0.0 promisc up
ifconfig tap8 0.0.0.0 promisc up
ifconfig tap9 0.0.0.0 promisc up

ifconfig bridge0 create
ifconfig bridge0 addm tap1 up
ifconfig bridge0 addm tap2
ifconfig bridge0 addm tap3
ifconfig bridge0 addm tap4
ifconfig bridge0 addm tap5
ifconfig bridge0 addm tap6
ifconfig bridge0 addm tap7
ifconfig bridge0 addm tap8
ifconfig bridge0 addm tap9

sync;sync;sync
# EOF