# set all major variables
setup_ip_param
-if (ip link add type vlan help 2>&1 | grep -q "VLANID :="); then
+if (LC_ALL=C ip link add type vlan help 2>&1 | grep -q "VLANID :="); then
/sbin/ip link set ${VLAN_DEV} up
/sbin/ip link add link ${VLAN_DEV} name ${DEVICE} type vlan id ${VLAN_ID}
# default yes