jail.vnet.bridged.conf

#
# jail.vnet.bridged.conf
#
# A sample /etc/jail.conf for a VNET jails connected to the same
# layer2 network as the host's physical interface.
#
#                       |
#                       |
#                  +----o----+
#                  | gateway |
#                  +----o----+
#                       | $gwv4/$plen
#                       |
# +--------+------------+-------------------------------+
#          |
#      em0 | (ng_ether)
#   (=$net)|
# +--------|--------------------------------------------+
# |        |                                            |
# |        | lower +----------------------------------+ |
# |        +-------+    em0br                         | |
# |        +-------+ (ng_bridge)                      | |
# |        | upper +---------+---------+---------+----+ |
# |        |                 |         |         |      |
# |        |          em0_b1 |  em0_b2 |  em0_b3 |      |
# |    em0 |     (ng_eiface) |         |         |      |
# |    +---o---+         +---o---+ +---o---+ +---o---+  |
# |    |  Host |         |Jail b1| |Jail b2| |Jail b3|  |
# |    +-------+         +-------+ +-------+ +-------+  |
# |                               $ipv4/$plen           |
# +-----------------------------------------------------+
#

exec.start = "/bin/sh /etc/rc";
exec.stop = "/bin/sh /etc/rc.shutdown";
exec.clean;
mount.devfs;

host.hostname = $name;
path = "/vm/$name";
exec.consolelog = "/var/log/jail_${name}_console.log";

exec.prestart += "cp /etc/resolv.conf $path/etc";
exec.poststop += "rm $path/etc/resolv.conf";
allow.chflags;

$net = "em0";
$gwv4 = "10.0.2.2";
$plen = 24;

vnet;
vnet.interface = "${net}_$name";
exec.prestart += "vnet add $net ${net}_$name";
exec.start    += "ifconfig ${net}_$name $ipv4/$plen";
exec.start    += "route add default $gwv4";
# workaround
# https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=238326
exec.prestop  += "ifconfig ${net}_$name -vnet $name";
exec.poststop += "vnet delete $net ${net}_$name";

b1 {
	$ipv4 = "10.0.2.101";
}

b2 {
	$ipv4 = "10.0.2.102";
}

b3 {
	$ipv4 = "10.0.2.103";
}