diff --git a/Makefile b/Makefile
index b56c289ff..ae7b5f47b 100644
--- a/Makefile
+++ b/Makefile
@@ -35,6 +35,7 @@ clean:
 	${RM} -f tools/imghelper
 	${RM} -f tools/xo
 	${RM} -f tools/vale-ctl
+	${RM} -f tools/nic_info
 	${RM} -f tools/bridge
 
 cbsd:
@@ -58,6 +59,7 @@ cbsd:
 	${CC} tools/src/imghelper.c -o tools/imghelper && ${STRIP} tools/imghelper
 	${CC} tools/src/bridge.c -o tools/bridge && ${STRIP} tools/bridge
 	${CC} tools/src/vale-ctl.c -o tools/vale-ctl && ${STRIP} tools/vale-ctl
+	${CC} tools/src/nic_info.c -o tools/nic_info && ${STRIP} tools/nic_info
 	${MAKE} -C bin/cbsdsh && ${STRIP} bin/cbsdsh/cbsd
 	${MAKE} -C share/bsdconfig/cbsd
 
diff --git a/bhyve.subr b/bhyve.subr
index 6d5e3b9ec..a1d761446 100644
--- a/bhyve.subr
+++ b/bhyve.subr
@@ -207,10 +207,12 @@ compile_nic_args()
 	local sqldelimer=" "
 	local mybridge
 	local net_emul=
+	local _parent_mtu
+	local _ret=
 
 	local errmsg=
 
-	eval $( cbsdsql ${jailsysdir}/${jname}/local.sqlite SELECT id,nic_order,nic_driver,nic_slot,nic_type,nic_parent,nic_hwaddr,nic_address FROM bhyvenic WHERE jname=\"${jname}\" |while read nic_id nic_order nic_driver nic_slot nic_type nic_parent nic_hwaddr nic_address; do
+	eval $( cbsdsql ${jailsysdir}/${jname}/local.sqlite SELECT id,nic_order,nic_driver,nic_slot,nic_type,nic_parent,nic_hwaddr,nic_address,nic_mtu FROM bhyvenic WHERE jname=\"${jname}\" |while read nic_id nic_order nic_driver nic_slot nic_type nic_parent nic_hwaddr nic_address nic_mtu; do
 
 		if ! next_pci_id; then
 			# no free pci bus
@@ -305,6 +307,26 @@ compile_nic_args()
 			echo "export nic${_id}=\"-s ${pcislot}:0,${net_emul},${mytap}\" ;"
 		fi
 
+		# MTU management
+		[ -z "${nic_mtu}" ] && nic_mtu="0"	# AUTO
+		if [ ${nic_mtu} -eq 0 ]; then
+			# Get parent MTU size
+			_parent_mtu=$( ${toolsdir}/nic_info --nic=${mybridge} --quiet 2>/dev/null )
+			_ret=$?
+			if [ ${_ret} -eq 0 ]; then
+				[ -n "${_parent_mtu}" ] && _ret=$( /sbin/ifconfig ${mytap} mtu ${_parent_mtu} )
+			fi
+		else
+			# Get parent MTU size
+			# compare MTU with parent
+			#_parent_mtu=$( ${toolsdir}/nic_info --nic=${mybridge} --quiet 2>/dev/null )
+			#_ret=$?
+			#if [ ${_ret} -eq 0 ]; then
+			#	[ ${nic_mtu} -gt ${_parent_mtu} ] 
+			#fi
+			_ret=$( /sbin/ifconfig ${mytap} mtu ${nic_mtu} )
+		fi
+
 		echo "export mytap${_id}=\"${mytap}\";"
 
 		_id=$(( _id + 1 ))
@@ -356,7 +378,7 @@ compile_lpc_args()
 # export arguments for bhyve pci_passthru_args
 compile_pci_passthru_args()
 {
-	local ppt
+	local ppt _i
 
 	ppt=$( cbsdsql local SELECT ppt FROM bhyveppt WHERE jname=\"${jname}\" 2>/dev/null )
 
@@ -375,11 +397,15 @@ compile_pci_passthru_args()
 		pci_passthru_args="${pci_passthru_args} -s ${bhyve_pci_index},passthru,${_i}"
 	done
 
-	pci_passthru_args="${pci_passthru_args} -S"
+	pci_passthru_args="${pci_passthru_args}"
 
-	local _dmar_test=$( /usr/sbin/acpidump -t | /usr/bin/grep DMAR )
-	[ -z "${_dmar_test}" ] && err 1 "${MAGENTA}I/O MMU / VT-d not enabled. Check you hardware or BIOS setting${NORMAL}"
+	. ${workdir}/virtual.subr
 
+	if check_dmar; then
+		err 1 "${MAGENTA}I/O MMU / VT-d not enabled. Check you hardware or BIOS setting${NORMAL}"
+	fi
+
+	return 0
 }
 
 
diff --git a/bin/cbsdsh/about.h b/bin/cbsdsh/about.h
index 874d1827b..59ae1ae9d 100644
--- a/bin/cbsdsh/about.h
+++ b/bin/cbsdsh/about.h
@@ -1 +1 @@
-#define VERSION "11.1.5"
+#define VERSION "11.1.6"
diff --git a/bsdconfig.subr b/bsdconfig.subr
index d071df4d9..aa6494064 100644
--- a/bsdconfig.subr
+++ b/bsdconfig.subr
@@ -7,4 +7,3 @@ BSDCFG_LIBE="/usr/local/libexec/bsdconfig" APP_DIR="cbsd"
 
 ipgm=$( f_index_menusel_keyword $BSDCFG_LIBE/$APP_DIR/INDEX "$pgm" )
 [ $? -eq $SUCCESS -a "$ipgm" ] && pgm="$ipgm"
-
diff --git a/cbsd.conf b/cbsd.conf
index ae540d115..07f780dc7 100644
--- a/cbsd.conf
+++ b/cbsd.conf
@@ -3,7 +3,7 @@ unset oarch over ostable arch target_arch ver stable
 
 # defines
 product="CBSD"
-myversion="11.1.5"
+myversion="11.1.6"
 
 if [ -z "${workdir}" ]; then
 	echo "no workdir"
diff --git a/cbsd.lua b/cbsd.lua
index 657693ae5..1b19fb43e 100644
--- a/cbsd.lua
+++ b/cbsd.lua
@@ -1,5 +1,5 @@
 product="CBSD"
-myversion="11.1.5"
+myversion="11.1.6"
 
 if not workdir then
 	print ( "no workdir" )
diff --git a/etc/defaults/vm-freebsd-BSDRP-x64-1.70.conf b/etc/defaults/vm-freebsd-BSDRP-x64-1.70.conf
deleted file mode 100644
index 1946479d4..000000000
--- a/etc/defaults/vm-freebsd-BSDRP-x64-1.70.conf
+++ /dev/null
@@ -1,31 +0,0 @@
-# don't remove this line:
-vm_profile="BSDRP-x64-1.70"
-vm_os_type="freebsd"
-# this is one-string additional info strings in dialogue menu
-long_description="Embedded free and open source router distribution"
-
-# custom settings:
-fetch=1
-
-iso_site="https://netcologne.dl.sourceforge.net/project/bsdrp/BSD_Router_Project/1.70/amd64/ http://garr.dl.sourceforge.net/project/bsdrp/BSD_Router_Project/1.70/amd64/ http://cznic.dl.sourceforge.net/project/bsdrp/BSD_Router_Project/1.70/amd64/"
-
-iso_img="BSDRP-1.70-full-amd64-vga.img"
-iso_img_dist="BSDRP-1.70-full-amd64-vga.img.xz"
-
-# register_iso as:
-register_iso_name="cbsd-iso-${iso_img}"
-register_iso_as="iso-BSDRP-x64-1.70"
-
-iso_extract="/usr/bin/xz -d "
-
-default_jailname="bsdrp"
-vm_package="small1"
-
-active=0
-
-# VNC
-vm_vnc_port="0"
-vm_efi="uefi"
-
-# VirtualBox Area
-virtualbox_ostype="FreeBSD_64"
diff --git a/etc/defaults/vm-freebsd-BSDRP-x64-1.80.conf b/etc/defaults/vm-freebsd-BSDRP-x64-1.80.conf
new file mode 100644
index 000000000..524c7b94b
--- /dev/null
+++ b/etc/defaults/vm-freebsd-BSDRP-x64-1.80.conf
@@ -0,0 +1,41 @@
+# don't remove this line:
+vm_profile="BSDRP-x64-1.80"
+vm_os_type="freebsd"
+# this is one-string additional info strings in dialogue menu
+long_description="Embedded free and open source router distribution"
+
+# custom settings:
+fetch=1
+
+iso_site="https://vorboss.dl.sourceforge.net/project/bsdrp/BSD_Router_Project/1.80/amd64/ \
+https://10gbps-io.dl.sourceforge.net/project/bsdrp/BSD_Router_Project/1.80/amd64/ \
+https://freefr.dl.sourceforge.net/project/bsdrp/BSD_Router_Project/1.80/amd64/ \
+https://gigenet.dl.sourceforge.net/project/bsdrp/BSD_Router_Project/1.80/amd64/ \
+https://netix.dl.sourceforge.net/project/bsdrp/BSD_Router_Project/1.80/amd64/ \
+https://ncu.dl.sourceforge.net/project/bsdrp/BSD_Router_Project/1.80/amd64/ \
+"
+
+iso_img="BSDRP-1.80-full-amd64-vga.img"
+iso_img_dist="BSDRP-1.80-full-amd64-vga.img.xz"
+
+# register_iso as:
+register_iso_name="cbsd-iso-${iso_img}"
+register_iso_as="iso-BSDRP-x64-1.80"
+
+iso_extract="/usr/bin/xz -d "
+
+default_jailname="bsdrp"
+vm_package="small1"
+
+# disable profile?
+active=0
+
+# Available in ClonOS?
+clonos_active=0
+
+# VNC
+vm_vnc_port="0"
+vm_efi="uefi"
+
+# VirtualBox Area
+virtualbox_ostype="FreeBSD_64"
diff --git a/etc/defaults/vm-freebsd-FreeBSD-x64-12.0-LATEST.conf b/etc/defaults/vm-freebsd-FreeBSD-x64-12.0-LATEST.conf
index a61307f11..641c81fee 100644
--- a/etc/defaults/vm-freebsd-FreeBSD-x64-12.0-LATEST.conf
+++ b/etc/defaults/vm-freebsd-FreeBSD-x64-12.0-LATEST.conf
@@ -8,7 +8,7 @@ long_description="FreeBSD 12.0 Current"
 fetch=1
 
 iso_site="https://download.freebsd.org/ftp/snapshots/amd64/amd64/ISO-IMAGES/12.0/"
-iso_img="FreeBSD-12.0-CURRENT-amd64-20170814-r322508-disc1.iso"
+iso_img="FreeBSD-12.0-CURRENT-amd64-20170912-r323499-disc1.iso"
 
 # register_iso as:
 register_iso_name="cbsd-iso-${iso_img}"
diff --git a/etc/defaults/vm-freebsd-OPNsense-17-RELEASE-amd64.conf b/etc/defaults/vm-freebsd-OPNsense-17-RELEASE-amd64.conf
index 7dc1b4198..5fc2dd692 100644
--- a/etc/defaults/vm-freebsd-OPNsense-17-RELEASE-amd64.conf
+++ b/etc/defaults/vm-freebsd-OPNsense-17-RELEASE-amd64.conf
@@ -15,6 +15,7 @@ http://mirror.cedia.org.ec/opnsense/releases/17.7/ \
 http://mirrors.nycbug.org/pub/opnsense/releases/mirror/ \
 http://mirror.wdc1.us.leaseweb.net/opnsense/releases/17.7/ \
 https://opnsense.ieji.de/releases/17.7/ \
+https://mirror.dns-root.de/opnsense/releases/17.7/ \
 "
 
 iso_img="OPNsense-17.7-OpenSSL-dvd-amd64.iso"
diff --git a/etc/defaults/vm-linux-OracleLinux-7.conf b/etc/defaults/vm-linux-OracleLinux-7.conf
index 828911124..76c37904c 100644
--- a/etc/defaults/vm-linux-OracleLinux-7.conf
+++ b/etc/defaults/vm-linux-OracleLinux-7.conf
@@ -3,7 +3,7 @@ vmlinuz_ver="3.10.0-123.el7.x86_64"
 vm_profile="OracleLinux-7"
 vm_os_type="linux"
 # this is one-string additional info strings in dialogue menu
-long_description="Linux Oracle R7-U3"
+long_description="Linux Oracle R7-U4"
 
 # custom settings:
 fetch=1
@@ -15,14 +15,14 @@ fetch=1
 # grub-bhyve command to boot from ISO
 #grub_iso_cmd="echo -e \"linux /isolinux/vmlinuz text\ninitrd /isolinux/initrd.img\nboot\" | /usr/bin/lockf -s -t0 /tmp/bhyveload.${jname}.lock grub-bhyve -r cd0 -m "${_devicemap}" -M ${grubmem} "${jname}""
 
-iso_site="http://ftp5.gwdg.de/pub/linux/oracle/OL7/u3/x86_64/ \
-https://mirrors.dotsrc.org/oracle-linux/OL7/u3/x86_64/ \
-https://ftp.heanet.ie/mirrors/oracle-linux/OL7/u3/x86_64/ \
-http://ftp.icm.edu.pl/pub/Linux/dist/oracle-linux/OL7/u3/x86_64/ \
-http://mirror.aarnet.edu.au/pub/oraclelinux/OL7/u3/x86_64/ \
+iso_site="http://ftp5.gwdg.de/pub/linux/oracle/OL7/u4/x86_64/ \
+https://mirrors.dotsrc.org/oracle-linux/OL7/u4/x86_64/ \
+https://ftp.heanet.ie/mirrors/oracle-linux/OL7/u4/x86_64/ \
+http://ftp.icm.edu.pl/pub/Linux/dist/oracle-linux/OL7/u4/x86_64/ \
+http://mirror.aarnet.edu.au/pub/oraclelinux/OL7/u4/x86_64/ \
 "
 
-iso_img="OracleLinux-R7-U3-Server-x86_64-dvd.iso"
+iso_img="OracleLinux-R7-U4-Server-x86_64-dvd.iso"
 
 # register_iso as:
 register_iso_name="cbsd-iso-${iso_img}"
diff --git a/etc/defaults/vm-linux-TinyCore-x86-8.conf b/etc/defaults/vm-linux-TinyCore-x86-8.conf
index 16f529e84..bc9a41098 100644
--- a/etc/defaults/vm-linux-TinyCore-x86-8.conf
+++ b/etc/defaults/vm-linux-TinyCore-x86-8.conf
@@ -21,7 +21,7 @@ http://mirrors.163.com/tinycorelinux/8.x/x86_64/release/ \
 http://mirrors.dotsrc.org/tinycorelinux/8.x/x86_64/release/ \
 http://ftp.nluug.nl/os/Linux/distr/tinycorelinux/8.x/x86_64/release/ \
 "
-iso_img="TinyCorePure64-8.0.iso"
+iso_img="TinyCorePure64-8.1.1.iso"
 
 # register_iso as:
 register_iso_name="cbsd-iso-${iso_img}"
diff --git a/jailctl/bset b/jailctl/bset
index 35405257a..3c5186176 100755
--- a/jailctl/bset
+++ b/jailctl/bset
@@ -1,5 +1,5 @@
 #!/usr/local/bin/cbsd
-#v11.1.0
+#v11.1.4
 MYARG="jname"
 CBSDMODULE="bhyve"
 
@@ -17,6 +17,24 @@ ADDHELP="mode=force for modification on the running jail\n"
 . ${strings}
 init $*
 
+emulator="bhyve"	# for jname_is_multiple
+jname_is_multiple
+
+if [ -n "${jail_list}" ]; then
+	new_arg=
+
+	for i in $*; do
+		_is_jname=$( substr --pos=0 --len=5 --str=${i} )
+		[ "${_is_jname}" = "jname" ] && continue
+		new_arg="${new_arg} ${i}"
+	done
+
+	for jname in ${jail_list}; do
+		bset jname=${jname} ${new_arg}
+	done
+	exit 0
+fi
+
 [ -z "${cbsd_queue_name}" ] && cbsd_queue_name="/clonos/bhyvevms/"
 
 update_jails()
diff --git a/jailctl/bsetup-tui b/jailctl/bsetup-tui
index 1a5e101d4..c0d874e14 100755
--- a/jailctl/bsetup-tui
+++ b/jailctl/bsetup-tui
@@ -1,5 +1,5 @@
 #!/usr/local/bin/cbsd
-#v10.0.4
+#v11.1.4
 globalconf="${workdir}/cbsd.conf";
 
 set -e
@@ -39,22 +39,26 @@ commit()
 		fi
 
 		if [ "${i}" = "vm_ram" ]; then
+			# In SQLite3 we store vm_ram in bytes, convert it
 			# test for human
 			if is_number ${VAL}; then
 				if conv2bytes ${VAL}; then
 					VAL="${convval}"
 				fi
-			fi
-			# test for human for original
-			if is_number ${OVAL}; then
-				if conv2bytes ${OVAL}; then
-					OVAL="${convval}"
-				fi
+			else
+				# Assume than user input in MB, so convert to bytes
+				VAL=$(( convval * 1024 * 1024 ))
 			fi
 		fi
 
 		[ "${VAL}" = "${OVAL}" ] && continue
-		bset mode=quiet jname=${_oldjname} $i="${VAL}"
+
+		if [ "${i}" = "vm_ram" ]; then
+			# In SQLite3 we store vm_ram in bytes, convert it
+			VAL=$(( VAL / 1024 / 1024 ))
+		fi
+
+		bset mode=quiet jname=${_oldjname} ${i}="${VAL}"
 	done
 
 	[ "${_oldjname}" != "${_newjname}" -a -n "${_newjname}" ] && cbsd brename old=${_oldjname} new=${_newjname}
@@ -140,11 +144,11 @@ dialog_menu_main()
 			# test for human
 			if ! is_number ${VAL}; then
 				if conv2human "${VAL}"; then
-					VAL=$convval
+					VAL=${convval}
 					vm_ram="${VAL}"
-					fi
 				fi
 			fi
+		fi
 
 		if [ -z "${VAL}" ]; then
 			menu_list="${menu_list} '${item_let} ${i}'	' '	'Descr?'"
diff --git a/jailctl/jset b/jailctl/jset
index 271a432c8..b1285203a 100755
--- a/jailctl/jset
+++ b/jailctl/jset
@@ -1,5 +1,5 @@
 #!/usr/local/bin/cbsd
-#v11.0.9
+#v11.1.3
 MYARG="jname"
 CBSDMODULE="jail"
 ADDHELP="jconf=<path_to_file> - load and set settings from jconf\n"
@@ -19,6 +19,24 @@ ADDHELP="mode=force for modification on the running jail\n"
 
 init $*
 
+emulator="jail"		# for jname_is_multiple
+jname_is_multiple
+
+if [ -n "${jail_list}" ]; then
+	new_arg=
+
+	for i in $*; do
+		_is_jname=$( substr --pos=0 --len=5 --str=${i} )
+		[ "${_is_jname}" = "jname" ] && continue
+		new_arg="${new_arg} ${i}"
+	done
+
+	for jname in ${jail_list}; do
+		jset jname=${jname} ${new_arg}
+	done
+	exit 0
+fi
+
 [ -z "${cbsd_queue_name}" ] && cbsd_queue_name="/clonos/jailscontainers/"
 [ -z "${autorestart}" ] && autorestart=0
 
diff --git a/jcreate.subr b/jcreate.subr
index 739f3eb5e..56989004b 100644
--- a/jcreate.subr
+++ b/jcreate.subr
@@ -168,7 +168,6 @@ external_exec_master_script()
 
 exec_master_prestop()
 {
-#	eval CMD=\${exec_master_prestop${i}}
 	eval CMD=\${exec_master_prestop}
 	[ -z "${CMD}" -o "${CMD}" = "0" ] && return 0
 
diff --git a/nc.subr b/nc.subr
index 901f899ae..726f8afa7 100644
--- a/nc.subr
+++ b/nc.subr
@@ -6,9 +6,7 @@ _CBSD_NC_SUBR=1
 if [ -n "${CBSD_RNODE}" ]; then
 	rnode="${CBSD_RNODE}"
 	unset CBSD_RNODE
-#	echo ">> Remote execution on ${rnode}"
 	cmd=$( /usr/bin/basename $0 )
-#	echo ">> cbsd rexe node=${rnode} /usr/local/bin/cbsd ${cmd} $@"
 	exec /usr/local/bin/cbsd rexe node=${rnode} /usr/local/bin/cbsd ${cmd} $@
 fi
 
@@ -23,8 +21,6 @@ get_jid() {
 
 	[ -z "$jname" -a -z "${path}" ] && return 0
 
-#	_res=$( /usr/sbin/jls -h jid name |/usr/bin/tail +2| while read _jid _name; do
-
 	_res=$( cbsdjls | while read _jid _name; do
 		[ "${_name}" = "${jname}" ] && echo ${_jid}
 	done)
diff --git a/rctl.subr b/rctl.subr
index 1f18518ca..84fcbab46 100644
--- a/rctl.subr
+++ b/rctl.subr
@@ -26,7 +26,7 @@ init_rctlconf()
 		eval ${i}=0
 	done
 
-	_ALLCOL=$( echo ${MYCOL}|tr " " "," )
+	_ALLCOL=$( echo ${MYCOL}| /usr/bin/tr " " "," )
 
 	# empty string on remote node if cbsd version is mistmatch ( diff. jail schema )
 	_A=$( 2>/dev/null env sqldelimer="|" ${miscdir}/sqlcli ${_sqlfile} "SELECT ${_ALLCOL} FROM rctl WHERE jname=\"$1\"" )
diff --git a/settings-tui.subr b/settings-tui.subr
index f21d7c381..b4b81999c 100644
--- a/settings-tui.subr
+++ b/settings-tui.subr
@@ -56,7 +56,7 @@ GET_IMGSIZE_MSG="Allocate X size of image free space: 100m, 1g"
 GET_SWAPSIZE_MSG="Configure swap partitional in X size (usual RAMx2), 0 - for disable, e.g: 4g"
 GET_CPUS_MSG="Number of CPUs: 1, max: 16"
 GET_VM_VNC_PORT_MSG="VNC port. 0 - for auto, 1 - disable"
-GET_RAM_MSG="RAM size, eg: 512M"
+GET_RAM_MSG="RAM in MB, eg: 512, 1024M, 2g"
 GET_VMPROFILE_MSG="Select profile for VMs"
 GET_JAILPROFILE_MSG="Profile for jcreate"
 GET_HOSTBRIDGE_MSG="Hostbridge for VMs, eg: hostbridge or amd_hostbridge"
@@ -858,14 +858,30 @@ get_construct_vm_vnc_port()
 # form for $ram
 get_construct_vm_ram()
 {
-	local _input
+	local _input _tmp
 
 	f_dialog_title " ram "
 
 	f_dialog_input _input "${GET_RAM_MSG}" "${vm_ram}" \
 			"${_message}" || return $?
-	
-	vm_ram="${_input}"
+
+	# test for human
+	if ! is_number "${_input}"; then
+		# is number. assume user's input value in MB, so convert to bytes
+		_input=$(( _input * 1024 * 1024 ))
+		if conv2human "${_input}"; then
+			_tmp="${convval}"
+		else
+			_tmp=$(( _input * 1024 * 1024 ))
+			if conv2human "${VAL}"; then
+				_tmp="${convval}"
+			fi
+		fi
+	else
+		_tmp="${_input}"
+	fi
+
+	vm_ram="${_tmp}"
 }
 
 # form for $vm_iso_path
@@ -2100,5 +2116,20 @@ get_construct_nic_hwaddr()
 	[ -n "${_input}" ] && nic_hwaddr="${_input}"
 }
 
+# form for $nic_mtu
+get_construct_nic_mtu()
+{
+	local _input
+
+	f_dialog_title " NIC MTU. 0 - auto, inherits parent MTU "
+
+	[ -n "${nic_hwaddr}" ] && new_defhwaddr="${nic_hwaddr}"
+
+	f_dialog_input _input "Input MTU size ( 0 - auto ), eg: 0, 1500, 9000" "${nic_mtu}" \
+		"${_message}" || return $?
+
+	[ -n "${_input}" ] && nic_mtu="${_input}"
+}
+
 ###
 fi
diff --git a/share/bhyvenic.conf b/share/bhyvenic.conf
index a05c5cbd3..c7e3ac58f 100644
--- a/share/bhyvenic.conf
+++ b/share/bhyvenic.conf
@@ -1,2 +1,2 @@
 # Default SQL scheme for DB local::bhyvenic
-MYCOL="id jname nic_order nic_driver nic_slot nic_type nic_parent nic_hwaddr nic_address"
+MYCOL="id jname nic_order nic_driver nic_slot nic_type nic_parent nic_hwaddr nic_address nic_mtu"
diff --git a/share/bhyverun.sh b/share/bhyverun.sh
index 14f2311b9..62624dacd 100644
--- a/share/bhyverun.sh
+++ b/share/bhyverun.sh
@@ -89,7 +89,6 @@ while [ ! -f /tmp/bhyvestop.${jname}.lock  ]; do
 
 	for i in ${mytap}; do
 		/sbin/ifconfig ${i} up
-		/sbin/ifconfig ${i} mtu 1500
 	done
 
 	[ ${freebsdhostversion} -lt 1100120 ] && vm_vnc_port=1 # Disable xhci on FreeBSD < 11
@@ -113,7 +112,9 @@ while [ ! -f /tmp/bhyvestop.${jname}.lock  ]; do
 	add_bhyve_opts="-H"  # Yield the virtual CPU thread when a HLT instruction is detected.
 
 	[ "${bhyve_generate_acpi}" = "1" ] && add_bhyve_opts="${add_bhyve_opts} -A"
-	[ "$bhyve_wire_memory}" = "1" ] && add_bhyve_opts="${add_bhyve_opts} -S"
+
+	[ "${bhyve_wire_memory}" = "1" -o -n "${pci_passthru_args}" ] && add_bhyve_opts="${add_bhyve_opts} -S"
+
 	[ "${bhyve_rts_keeps_utc}" = "1" ] && add_bhyve_opts="${add_bhyve_opts} -u"
 	[ "${bhyve_force_msi_irq}" = "1" ] && add_bhyve_opts="${add_bhyve_opts} -W"
 	[ "${bhyve_x2apic_mode}" = "1" ] && add_bhyve_opts="${add_bhyve_opts} -x"
diff --git a/share/bsdconfig/cbsd/bhyvenic-cfgnic b/share/bsdconfig/cbsd/bhyvenic-cfgnic
index cbcce6be9..c44419ce8 100755
--- a/share/bsdconfig/cbsd/bhyvenic-cfgnic
+++ b/share/bsdconfig/cbsd/bhyvenic-cfgnic
@@ -20,7 +20,7 @@ dialog_menu_main()
 	local prompt="${_desc}"
 	local sqldelimer=" "
 
-	eval $( cbsdsql ${jailsysdir}/${jname}/local.sqlite SELECT id,nic_driver,nic_slot,nic_type,nic_parent,nic_hwaddr,nic_address FROM bhyvenic WHERE id=\"${nic}\" AND jname=\"${jname}\" | while read nic_id nic_driver nic_slot nic_type nic_parent nic_hwaddr nic_address; do
+	eval $( cbsdsql ${jailsysdir}/${jname}/local.sqlite SELECT id,nic_driver,nic_slot,nic_type,nic_parent,nic_hwaddr,nic_address,nic_mtu FROM bhyvenic WHERE id=\"${nic}\" AND jname=\"${jname}\" | while read nic_id nic_driver nic_slot nic_type nic_parent nic_hwaddr nic_address nic_mtu; do
 		echo "export nic_id=\"${nic_id}\""
 		echo "export nic_driver=\"${nic_driver}\""
 		echo "export nic_slot=\"${nic_slot}\""
@@ -28,6 +28,7 @@ dialog_menu_main()
 		echo "export nic_parent=\"${nic_parent}\""
 		echo "export nic_hwaddr=\"${nic_hwaddr}\""
 		echo "export nic_address=\"${nic_address}\""
+		echo "export nic_mtu=\"${nic_mtu}\""
 	done ) || err 1 "${MAGENTA}Error while create NIC map${NORMAL}"
 
 	local menu_list="
@@ -36,6 +37,7 @@ dialog_menu_main()
 		'nic_hwaddr'	'${nic_hwaddr}'		'NIC Mac address. 0 - auto'
 		'nic_type'	'${nic_type}'		'Select NIC type'
 		'nic_address'	'${nic_address}'	'Assign IPs on this nic (hoster side)'
+		'nic_mtu'	'${nic_mtu}'		'NIC MTU. 0 - auto'
 		'-'		'-'			''
 		'remove'	'remove'		'Detach and remove NIC'
 	" # END-QUOTE
@@ -159,6 +161,9 @@ while :; do
 				"nic_hwaddr")
 					get_construct_nic_hwaddr && update_nic_hwaddr ${nic_id}
 					;;
+				"nic_mtu")
+					get_construct_nic_mtu && update_nic_mtu ${nic_id}
+					;;
 				"nic_parent")
 					case "${nic_driver}" in
 						vtnet)
diff --git a/share/bsdconfig/cbsd/include/bhyvenic.subr b/share/bsdconfig/cbsd/include/bhyvenic.subr
index ad69a0e81..29406344b 100644
--- a/share/bsdconfig/cbsd/include/bhyvenic.subr
+++ b/share/bsdconfig/cbsd/include/bhyvenic.subr
@@ -182,6 +182,19 @@ update_nic_hwaddr()
 	return 0
 }
 
+# update nic_mtu by nic id
+# $nic_mtu must be set
+update_nic_mtu()
+{
+	local nic="${1}"; shift
+	[ -z "${nic_mtu}" ] && return 0
+	[ -z "${jname}" -o -z "${nic}" ] && return 0
+
+	cbsdsql ${jailsysdir}/${jname}/local.sqlite UPDATE bhyvenic SET nic_mtu=\"${nic_mtu}\" WHERE id=\"${nic}\" AND jname=\"${jname}\"
+
+	return 0
+}
+
 # update nic_parent by nic id
 # $nic_parent must be set
 update_nic_parent()
diff --git a/share/local-bhyvenic.schema b/share/local-bhyvenic.schema
index c97fd569f..9ff4fc74e 100644
--- a/share/local-bhyvenic.schema
+++ b/share/local-bhyvenic.schema
@@ -14,6 +14,7 @@ nic_type="text default 0" # 0 - mean auto
 nic_parent="text default \"auto\"" # upstream
 nic_hwaddr="text default 0" # MAC addr
 nic_address="text default 0" # IP ADDRESS from hoster side
+nic_mtu="integer default 0" # MTU size
 
 CONSTRAINT=", FOREIGN KEY(jname) REFERENCES jails(jname)"
 
diff --git a/sudoexec/bstart b/sudoexec/bstart
index 2a92611ea..ff6c675c2 100755
--- a/sudoexec/bstart
+++ b/sudoexec/bstart
@@ -264,11 +264,10 @@ start_bhyve()
 			boot_from_grub=0
 			;;
 		*)
-			if [ "${boot_from_grub}" = "1" ]; then
-				[ -z "${grub_boot_cmd}" ] && err 1 "${MAGENTA}No such grub_boot_cmd variable. Check ${GREEN}vm_os_profile${MAGENTA} of config for ${GREEN}vm-${vm_os_type}-${vm_os_profile}.conf${MAGENTA} in ${etcdir}${NORMAL}"
-				[ -z "${grub_iso_cmd}" -a "${vm_boot}" = "cd" ] && err 1 "${MAGENTA}No such grub_iso_cmd variable. Check ${GREEN}vm_os_profile${MANGETA} of config for ${GREEN}vm-${vm_os_type}-${vm_os_profile}.conf ${MAGENTA}in ${etcdir}${NORMAL}"
-				/bin/cat "${_devicemap}"
-			fi
+			boot_from_grub=1
+			[ -z "${grub_boot_cmd}" ] && err 1 "${MAGENTA}No such grub_boot_cmd variable. Check ${GREEN}vm_os_profile${MAGENTA} of config for ${GREEN}vm-${vm_os_type}-${vm_os_profile}.conf${MAGENTA} in ${etcdir}${NORMAL}"
+			[ -z "${grub_iso_cmd}" -a "${vm_boot}" = "cd" ] && err 1 "${MAGENTA}No such grub_iso_cmd variable. Check ${GREEN}vm_os_profile${MANGETA} of config for ${GREEN}vm-${vm_os_type}-${vm_os_profile}.conf ${MAGENTA}in ${etcdir}${NORMAL}"
+			/bin/cat "${_devicemap}"
 			;;
 	esac
 
diff --git a/sudoexec/initenv b/sudoexec/initenv
index 33b9e7875..1e32b4c4c 100755
--- a/sudoexec/initenv
+++ b/sudoexec/initenv
@@ -288,6 +288,10 @@ phase2()
 		installne "-s -o ${cbsduser} -g ${cbsduser} -m 555" ${distdir}/tools/vale-ctl ${toolsdir}/vale-ctl
 		[ -f ${toolsdir}/vale-ctl ] && /bin/rm -f ${toolsdir}/vale-ctl
 
+		[ ! -f "${distdir}/tools/nic_info" ] && ${CC_CMD} ${distdir}/tools/src/nic_info.c -o ${distdir}/tools/nic_info
+		installne "-s -o ${cbsduser} -g ${cbsduser} -m 555" ${distdir}/tools/nic_info ${toolsdir}/nic_info
+		[ -f ${toolsdir}/nic_info ] && /bin/rm -f ${toolsdir}/nic_info
+
 		[ ! -f "${distdir}/tools/bridge" ] && ${CC_CMD} ${distdir}/tools/src/bridge.c -o ${distdir}/tools/bridge
 		installne "-s -o ${cbsduser} -g ${cbsduser} -m 555" ${distdir}/tools/bridge ${toolsdir}/bridge
 		[ -f ${toolsdir}/bridge ] && /bin/rm -f ${toolsdir}/bridge
diff --git a/tools/bhyve-ppt b/tools/bhyve-ppt
index 61ae6f8d0..ff62d350b 100755
--- a/tools/bhyve-ppt
+++ b/tools/bhyve-ppt
@@ -15,9 +15,12 @@ ppt - ppt\n
 . ${strings}
 . ${tools}
 
+. ${workdir}/virtual.subr
+
 init $*
 
-device=$( /sbin/sysctl -nq hw.vmm.ppt.devices )
+#device=$( /sbin/sysctl -nq hw.vmm.ppt.devices )
+device=$( /usr/sbin/pciconf -l | /usr/bin/egrep -E "^ppt[0-9]+@" | /usr/bin/wc -l |/usr/bin/awk '{printf $1}' )
 
 [ -z "${device}" ] && err 1 "${MAGENTA}No such ppt devices${NORMAL}"
 
@@ -79,8 +82,9 @@ init_ppt_action()
 	[ -z "${jname}" ] && err 1 "${MAGENTA}Please set: ${GREEN}jname=${NORMAL}"
 
 	# check for PCI passthrough
-	local _dmar_test=$( /usr/sbin/acpidump -t | /usr/bin/grep DMAR )
-	[ -z "${_dmar_test}" ] && err 1 "${MAGENTA}I/O MMU / VT-d not enabled. Check you hardware or BIOS setting${NORMAL}"
+	if check_dmar; then
+		err 1 "${MAGENTA}I/O MMU / VT-d not enabled. Check you hardware or BIOS setting${NORMAL}"
+	fi
 
 	. ${jrcconf}
 	[ $? -eq 1 ] && err 1 "${MAGENTA}No such jail: ${GREEN}${jname}${NORMAL}"
diff --git a/tools/src/nic_info.c b/tools/src/nic_info.c
new file mode 100644
index 000000000..8eece41f6
--- /dev/null
+++ b/tools/src/nic_info.c
@@ -0,0 +1,99 @@
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+
+#include <err.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include <err.h>
+#include <getopt.h>
+
+#define FALSE 0
+#define TRUE 1
+
+/* List of all args */
+enum {
+	C_HELP,
+	C_MTU,
+	C_NIC,
+	C_QUIET,
+};
+
+static void
+usage(void)
+{
+	printf("Obtain NIC information\n");
+	printf("require: --nic\n");
+	printf("optional: --quiet --mtu\n");
+	printf("usage: nic_info --nic=em0 --mtu\n");
+	exit(1);
+}
+
+int main(int argc, char *argv[])
+{
+	int s, af = AF_INET;
+	struct ifreq ifr;
+	char *nic = NULL;
+	int optcode = 0;
+	int option_index = 0;
+
+	int show_mtu=0;
+	int quiet=0;
+
+	static struct option long_options[] = {
+		{"help", no_argument, 0, C_HELP},
+		{"mtu", no_argument, 0, C_MTU},
+		{"nic", required_argument, 0, C_NIC},
+		{"quiet", no_argument, 0, C_QUIET},
+		/* End of options marker */
+		{0, 0, 0, 0}
+	};
+
+	while (TRUE) {
+		optcode = getopt_long_only(argc, argv, "", long_options, &option_index);
+		if (optcode == -1)
+			break;
+		switch(optcode) {
+			case C_HELP:
+				usage();
+				break;
+			case C_MTU:
+				show_mtu=1;
+				break;
+			case C_NIC:
+				nic = malloc(strlen(optarg) + 1);
+				memset(nic, 0, strlen(optarg) + 1);
+				strcpy(nic, optarg);
+				break;
+			case C_QUIET:
+				quiet=1;
+				break;
+		}
+	}
+
+	if (!nic) {
+		usage();
+	}
+
+	if ((s = socket(af, SOCK_DGRAM, 0)) < 0)
+		err(1, "socket");
+
+	ifr.ifr_addr.sa_family = AF_INET;
+	strcpy(ifr.ifr_name, nic);
+	if (ioctl(s, SIOCGIFMTU, (caddr_t)&ifr) < 0)
+		err(1,"ioctl (get mtu)");
+
+	close(s);
+
+	if ( quiet ) {
+		fprintf(stdout, "%d\n",ifr.ifr_mtu);
+	} else {
+		fprintf(stdout, "mtu:%d\n", ifr.ifr_mtu);
+	}
+
+	return(0);
+}
diff --git a/upgrade/pre-patch-11.1.5.0 b/upgrade/pre-patch-11.1.5.0
new file mode 100755
index 000000000..38214488c
--- /dev/null
+++ b/upgrade/pre-patch-11.1.5.0
@@ -0,0 +1,33 @@
+#!/bin/sh
+#v11.1.5
+# Update bhyvenic tables for nic_mtu column
+: ${distdir="/usr/local/cbsd"}
+unset workdir
+
+# MAIN
+. /etc/rc.conf
+
+[ -z "${cbsd_workdir}" ] && exit
+
+workdir="${cbsd_workdir}"
+
+[ ! -f "${workdir}/cbsd.conf" ] && exit
+
+. ${distdir}/cbsd.conf
+. ${distdir}/tools.subr
+test_sql_stuff
+
+[ ! -h "${dbdir}/local.sqlite" ] && exit
+
+vms=$( ${miscdir}/sqlcli ${dbdir}/local.sqlite "SELECT jname FROM jails WHERE emulator = \"bhyve\"" )
+
+for i in ${vms}; do
+	mydb="${jailsysdir}/${i}/local.sqlite"
+	[ ! -r "${mydb}" ] && continue
+	# alter nic_mtu if not exist
+	unset _test
+	_test=$( ${miscdir}/sqlcli ${mydb} "SELECT nic_mtu FROM bhyvenic LIMIT 1" )
+	[ -n "${_test}" ] && continue
+	${ECHO} "  * ${MAGENTA}Update bhyvenic tables: nic_mtu for ${GREEN}${i}${NORMAL}"
+	${miscdir}/sqlcli ${mydb} ALTER TABLE bhyvenic ADD COLUMN nic_mtu integer default 0
+done
diff --git a/virtual.subr b/virtual.subr
index eade0a8a3..c6c5cf877 100644
--- a/virtual.subr
+++ b/virtual.subr
@@ -200,5 +200,15 @@ get_next_rd_port()
 	echo ${_rd_port}
 }
 
+# check 1 when DMAR detected
+# check 0 if not
+check_dmar()
+{
+	local _dmar_test=$( /usr/sbin/acpidump -t | /usr/bin/grep DMAR )
+	[ -z "${_dmar_test}" ] && return 0
+
+	return 1
+}
+
 ###
 fi
diff --git a/vnet.subr b/vnet.subr
index 02290f84e..9c272bf00 100644
--- a/vnet.subr
+++ b/vnet.subr
@@ -251,11 +251,8 @@ ip2mac() {
 		macpart=$(( macpart + 1 ))
 	done )
 
-#	echo "${MAC_PREFIX}:${mac_4}:${mac_5}:${mac_6}:${mac_7}"
 	echo "${MAC_PREFIX}:${mac_5}:${mac_6}:${mac_7}"
-
 }
 
 ###
 fi
-