Test VNET IPv6 jail configuration

test-vnet.sh

#!/bin/sh

# Host network configuration
GW=$(route -6 get default | awk '/gateway/ { split($2,a,"%"); print a[1] }')
EXT_IFACE=$(route -6 get default | awk '/interface/ { print $2 }')
EXT_INET6=$(ifconfig $EXT_IFACE inet6 | awk '/inet6 2/ { print $2; exit }')
JAIL=${JAIL-ipv6test}

# Create bridge 
if [ "${BRIDGE}" == "" ]
then
    BRIDGE=$(ifconfig bridge create)
    BRIDGE_CLEANUP=1
    ifconfig ${BRIDGE} up addm ${EXT_IFACE}
fi

# Create epair
EPAIR_HOST=$(ifconfig epair create)
EPAIR_JAIL=${EPAIR_HOST%a}b
JAIL_IPV6=${JAIL_IPV6-${EXT_INET6%:*}:9999}

# Cleanup
cleanup() {
    ifconfig ${EPAIR_JAIL} -vnet ${JAIL}
    jail -rv ipv6test
    ifconfig ${EPAIR_HOST} destroy
    if [ "$BRIDGE_CLEANUP" == 1 ]
    then
        ifconfig $BRIDGE destroy
    fi
}

trap cleanup INT TERM EXIT 

# Configure EPAIR
ifconfig ${BRIDGE} addm ${EPAIR_HOST}
ifconfig ${EPAIR_HOST} inet6 up -ifdisabled

# Setup jail
jail -cv name=${JAIL} vnet vnet.interface=${EPAIR_JAIL} persist
jexec ${JAIL} ifconfig ${EPAIR_JAIL} inet6 up ${JAIL_IPV6}
jexec ${JAIL} route -6 add default ${GW}%${EPAIR_JAIL}

echo "Jail: ipv6test - ${JAIL_IPV6}"
sleep 1

# Check we can connect externally
jexec ${JAIL} ping6 -c 1 2a00:1450:400b:c01::65

read -p "Return to quit:" _