diff --git a/luci-app-openmptcprouter/htdocs/luci-static/resources/openmptcprouter/css/wanstatus.css b/luci-app-openmptcprouter/htdocs/luci-static/resources/openmptcprouter/css/wanstatus.css
index 9dd88fd72..b475ce419 100644
--- a/luci-app-openmptcprouter/htdocs/luci-static/resources/openmptcprouter/css/wanstatus.css
+++ b/luci-app-openmptcprouter/htdocs/luci-static/resources/openmptcprouter/css/wanstatus.css
@@ -1,6 +1,6 @@
 .container {
   /* container for entire page. fixes bootstrap theme's ridiculously small page width */
-  max-width: 1044px;
+  max-width: 1644px;
 }
 #interface_field {
   padding: 12px 20px 20px 20px;
@@ -31,10 +31,6 @@
   text-align: center;
 }
 /* Mwan3 ligthed CSS */
-.container {
-  /* container for entire page. fixes bootstrap theme's ridiculously small page width */
-  max-width: 1044px;
-}
 #interface_field {
   padding: 0px;
 }
diff --git a/mptcp/files/usr/share/omr/post-tracking.d/001-post-tracking b/mptcp/files/usr/share/omr/post-tracking.d/001-post-tracking
index e43a4618c..f590d7de6 100755
--- a/mptcp/files/usr/share/omr/post-tracking.d/001-post-tracking
+++ b/mptcp/files/usr/share/omr/post-tracking.d/001-post-tracking
@@ -708,6 +708,7 @@ dns_flush() {
 # Get the current multipath status
 multipath_status="off"
 [ "$OMR_TRACKER_INTERFACE" = "omrvpn" ] && multipath $OMR_TRACKER_DEVICE off 2>&1 >/dev/null
+[ "$OMR_TRACKER_INTERFACE" = "omr6in4" ] && multipath $OMR_TRACKER_DEVICE off 2>&1 >/dev/null
 if [ -e "/sys/class/net/$OMR_TRACKER_DEVICE" ]; then
 	case "$(multipath "$OMR_TRACKER_DEVICE")" in
 		*default*)      multipath_status="on"       ;;
@@ -878,7 +879,7 @@ if [ "$OMR_TRACKER_STATUS" = "ERROR" ] || [ "$interface_up" != "true" ]; then
 		ifup $OMR_TRACKER_INTERFACE 2>&1 >/dev/null
 	}
 
-	if [ "$OMR_TRACKER_INTERFACE" = "glorytun" ] || [ "$OMR_TRACKER_INTERFACE" = "omrvpn" ]; then
+	if [ "$OMR_TRACKER_INTERFACE" = "glorytun" ] || [ "$OMR_TRACKER_INTERFACE" = "omrvpn" ] || [ "$OMR_TRACKER_INTERFACE" = "omr6in4" ]; then
 		if [ "$OMR_TRACKER_STATUS_MSG" = "" ]; then
 			_log "$OMR_TRACKER_INTERFACE down"
 		else
@@ -917,7 +918,7 @@ if [ "$OMR_TRACKER_STATUS" = "ERROR" ] || [ "$interface_up" != "true" ]; then
 		fi
 		if [ "$(uci -q get openvpn.omr.enabled)" = "1" ]; then
 			_log "OpenVPN down, restart it"
-			/etc/init.d/openvpn restart 2>&1 >/dev/null
+			/etc/init.d/openvpn restart omr 2>&1 >/dev/null
 		fi
 		config_load openmptcprouter
 		config_foreach disable_pihole server
@@ -944,7 +945,7 @@ if [ "$OMR_TRACKER_STATUS" = "ERROR" ] || [ "$interface_up" != "true" ]; then
 	exit 0
 fi
 
-if [ "$OMR_TRACKER_INTERFACE" = "glorytun" ] || [ "$OMR_TRACKER_INTERFACE" = "omrvpn" ]; then
+if [ "$OMR_TRACKER_INTERFACE" = "glorytun" ] || [ "$OMR_TRACKER_INTERFACE" = "omrvpn" ] || [ "$OMR_TRACKER_INTERFACE" = "omr6in4" ]; then
 	if [ "$(uci -q get openmptcprouter.settings.shadowsocksudp)" = "1" ] && [ "$(uci -q get shadowsocks-libev.sss0.disabled)" != "1" ] && [ -n "$(uci -q get shadowsocks-libev.sss0)" ] && [ "$(uci -q get shadowsocks-libev.ss_rules.redir_udp)" = "hi1" ]; then
 		_log "Tunnel up disable use of ShadowSocks for UDP"
 		uci -q delete shadowsocks-libev.ss_rules.redir_udp
@@ -1149,7 +1150,7 @@ if [ "$multipath_config" = "master" ]; then
 			config_load network
 			config_foreach set_route_balancing6 interface
 			[ -n "$routesbalancing6" ] && {
-				([ "$nbintf6" -gt "1" ] && [ "$(ip -6 r show default metric 1 | tr -d '\t' | tr -d '\n')" != "default via $routesbalancing6 " ] && [ "$(ip -6 r show default metric 1 | tr -d '\t' | tr -d '\n')" != "default $routesbalancing6 " ]) || ([ "$nbintf6" = "1" ] && [ "$(ip -6 r show default metric 1 | grep $OMR_TRACKER_DEVICE)" = "" ] && [ -n "$OMR_TRACKER_DEVICE_IP6" ]) && {
+				([ "$nbintf6" -gt "1" ] && [ "$(ip -6 r show default metric 1 | tr -d '\t' | tr -d '\n')" != "default via $routesbalancing6 " ] && [ "$(ip -6 r show default metric 1 | tr -d '\t' | tr -d '\n')" != "default $routesbalancing6 " ]) || ([ "$nbintf6" = "1" ] && [ "$(ip -6 r show default metric 1 | grep $OMR_TRACKER_DEVICE)" = "" ] && [ "$(ip -6 r show default metric 1 | grep omr6in4)" = "" ] && [ -n "$OMR_TRACKER_DEVICE_IP6" ]) && {
 					_log "Set ip -6 route replace default scope global metric 1 $routesbalancing6"
 					ip -6 route replace default scope global metric 1 $routesbalancing6 2>&1 >/dev/null
 				}
diff --git a/omr-6in4/files/bin/omr-6in4 b/omr-6in4/files/bin/omr-6in4
index 8bf094a50..4af348f2f 100755
--- a/omr-6in4/files/bin/omr-6in4
+++ b/omr-6in4/files/bin/omr-6in4
@@ -26,7 +26,7 @@ while true; do
 		[ -z "$peer" ] && peer=$(ip -4 r list dev $iface | grep via | grep -v default | grep -v metric | grep -v / | awk '{print $1; exit}' | tr -d "\n")
 		[ -z "$peer" ] && peer=$(ip -4 r list dev $iface | grep kernel | awk '/proto kernel/ {print $1}' | grep -v / | tr -d "\n")
 		[ -n "$addr" ] && [ -n "$peer" ] && {
-			if [ "$addr" != "$(uci -q get network.omr6in4.ipaddr)" ] || [ "$peer" != "$(uci -q get network.omr6in4.peeraddr)" ] || [ "$(ip -6 route show default | grep via)" = "" ]; then
+			if ([ "$addr" != "$(uci -q get network.omr6in4.ipaddr)" ] || [ "$peer" != "$(uci -q get network.omr6in4.peeraddr)" ]) && [ "$(ip -6 route show default dev 6in4-omr6in4 metric 1 | grep via)" = "" ]; then
 				logger -t "omr6in4" "Set network for OMR 6in4 to local $addr peer $peer"
 				uci -q batch <<-EOF
 					set network.omr6in4.ipaddr=$addr
diff --git a/omr-tracker/files/bin/omr-tracker-server b/omr-tracker/files/bin/omr-tracker-server
index f0236e4e9..999e95ff0 100755
--- a/omr-tracker/files/bin/omr-tracker-server
+++ b/omr-tracker/files/bin/omr-tracker-server
@@ -4,6 +4,8 @@
 name=$0
 basename="$(basename $0)"
 
+. /usr/lib/unbound/iptools.sh
+
 _log() {
 	logger -p daemon.info -t "${basename}" "$@"
 }
@@ -24,13 +26,23 @@ _check_server() {
 	local host=$1
 	local port=$2
 	local k=0
+	local valid_ip6=$(valid_subnet6 $host)
 	while [ "$server_ping" = false ] && [ "$k" -le "$retry" ]; do
-		ret=$(curl \
-		    --max-time "$OMR_TRACKER_TIMEOUT" \
-		    -s \
-		    -k \
-		    "https://${host}:${port}/"
-		)
+		if [ "$valid_ip6" != "ok" ]; then
+			ret=$(curl \
+			    --max-time "$OMR_TRACKER_TIMEOUT" \
+			    -s \
+			    -k \
+			    "https://${host}:${port}/"
+			)
+		else
+			ret=$(curl \
+			    --max-time "$OMR_TRACKER_TIMEOUT" \
+			    -s \
+			    -k \
+			    "https://[${host}]:${port}/"
+			)
+		fi
 		[ -n "$ret" ] && server_ping=true
 		k=$((k+1))
 		sleep "${intervaltries}"
@@ -40,16 +52,26 @@ _check_server() {
 _check_server_intf() {
 	local host=$1
 	local port=$2
+	local valid_ip6=$(valid_subnet6 $host)
 	for intf in $(multipath | awk '/default/ {print $1}'); do
 		local k=0
 		while [ "$server_ping" = false ] && [ "$k" -le "$retry" ]; do
-			ret=$(curl \
-			    --max-time "$OMR_TRACKER_TIMEOUT" \
-			    -s \
-			    -k \
-			    --interface $intf \
-			    "https://${host}:${port}/"
-			)
+			if [ "$valid_ip6" != "ok" ]; then
+				ret=$(curl \
+				    --max-time "$OMR_TRACKER_TIMEOUT" \
+				    -s \
+				    -k \
+				    --interface $intf \
+				    "https://${host}:${port}/"
+				)
+			else
+				ret=$(curl \
+				    --max-time "$OMR_TRACKER_TIMEOUT" \
+				    -s \
+				    -k \
+				    "https://[${host}%${intf}]:${port}/"
+				)
+			fi
 			[ -n "$ret" ] && {
 				server_ping=true
 			}
@@ -89,21 +111,26 @@ _check_master() {
 	config_get ip $1 ip
 	config_get port $1 port "65500"
 	config_get disabled $1 disabled
+	serverip=""
 	[ "$master" = "1" ] && [ -n "$ip" ] && [ "$disabled" != "1" ] && {
-		set_ip() {
+		check_ip() {
 			local ipd=$1
-			local ip=""
 			ipresolve="$(resolveip -4 $ipd | head -n 1)"
 			if [ -n "$ipresolve" ]; then
-				ip="$ipresolve"
+				serverip="$ipresolve"
 			else
 				ip6resolve="$(resolveip -6 $ipd | head -n 1)"
-				[ -n "$ip6resolve" ] && ip="$ip6resolve"
+				[ -n "$ip6resolve" ] && serverip="$ip6resolve"
 			fi
-			[ -z "$ip" ] && return
-			#_ping_server $ip
-			#_check_server $ip $port
-			_check_server_intf $ip $port
+			[ -z "$serverip" ] && return
+			#_ping_server $serverip
+			#_check_server $serverip $port
+			_check_server_intf $serverip $port
+			[ "$server_ping" = true ] && return
+			countips=$((countips+1))
+		}
+		set_ip() {
+			ip="$serverip"
 			if [ "$server_ping" = true ]; then
 				if [ "$(uci -q get shadowsocks-libev.sss${count}.server | tr -d '\n')" != "$ip" ]; then
 					logger -t "OMR-Tracker-Server" "Master server ${name} up ($ip), set it back"
@@ -204,10 +231,10 @@ _check_master() {
 				script_alert_down="$(uci -q get omr-tracker.proxy.script_alert_down)"
 				[ -n "$script_alert_down" ] && eval $script_alert_down
 			fi
-			countips=$((countips+1))
 		}
 		config_load openmptcprouter
-		config_list_foreach $1 ip set_ip
+		config_list_foreach $1 ip check_ip
+		set_ip
 		#if [ "$server_ping" = true ] && [ "$countips" = "1" ]; then
 		#	uci -q batch <<-EOF >/dev/null
 		#		set shadowsocks-libev.sss${count}.server=$ip
@@ -233,19 +260,26 @@ _check_backup() {
 	config_get ip $1 ip
 	config_get port $1 port
 	config_get disabled $1 disabled
+	serverip=""
 	[ "$backup" = "1" ] && [ -n "$ip" ] && [ "$disabled" != "1" ] && {
-		set_ip() {
-			local ip=$1
-			ipresolve="$(resolveip -4 $ip | head -n 1)"
+		check_ip() {
+			local ipd=$1
+			ipresolve="$(resolveip -4 $ipd | head -n 1)"
 			if [ -n "$ipresolve" ]; then
-				ip="$ipresolve"
+				serverip="$ipresolve"
 			else
-				ip6resolve="$(resolveip -6 $ip | head -n 1)"
-				[ -n "$ip6resolve" ] && ip="$ip6resolve"
+				ip6resolve="$(resolveip -6 $ipd | head -n 1)"
+				[ -n "$ip6resolve" ] && serverip="$ip6resolve"
 			fi
-			#_ping_server $ip
-			#_check_server $ip $port
-			_check_server_intf $ip $port
+			[ -z "$serverip" ] && return
+			#_ping_server $serverip
+			#_check_server $serverip $port
+			_check_server_intf $serverip $port
+			[ "$server_ping" = true ] && return
+			countips=$((countips+1))
+		}
+		set_ip() {
+			ip="$serverip"
 			#[ "$server_ping" = true ] && [ "$(uci -q get shadowsocks-libev.sss${count}.server | tr -d '\n')" = "$ip" ] && break
 			if [ "$server_ping" = true ]; then
 				if [ "$(uci -q get shadowsocks-libev.sss${count}.server | tr -d '\n')" != "$ip" ]; then
@@ -349,7 +383,8 @@ _check_backup() {
 			countips=$((countips+1))
 		}
 		config_load openmptcprouter
-		config_list_foreach $1 ip set_ip
+		config_list_foreach $1 ip check_ip
+		set_ip
 		#if [ "$server_ping" = true ] && [ "$countips" = "1" ]; then
 		#	uci -q batch <<-EOF >/dev/null
 		#		set shadowsocks-libev.sss${count}.server=$ip
diff --git a/omr-tracker/files/etc/init.d/omr-tracker b/omr-tracker/files/etc/init.d/omr-tracker
index ae9418ff2..9f71c7b77 100755
--- a/omr-tracker/files/etc/init.d/omr-tracker
+++ b/omr-tracker/files/etc/init.d/omr-tracker
@@ -283,7 +283,7 @@ _launch_shadowsocks_tracker() {
 
 	[ "$enabled" = "0" ] || [ "$disabled" = "1" ] || [ -z "$hosts" ] && return
 	[ -z "$server" ] && return
-	[ "$server" = "192.168.1.3" ] || [ "$server" = "" ] && return
+	[ "$(uci -q get shadowsocks-libev.${server}.disabled)" = "1" ] && return
 
 	procd_open_instance
 	# shellcheck disable=SC2086
@@ -317,7 +317,7 @@ _launch_shadowsocks_rust_tracker() {
 
 	[ "$enabled" = "0" ] || [ "$disabled" = "1" ] || [ -z "$hosts" ] && return
 	[ -z "$server" ] && return
-	[ "$server" = "192.168.1.3" ] || [ "$server" = "" ] && return
+	[ "$(uci -q get shadowsocks-rust.${server}.disabled)" = "1" ] && return
 
 	procd_open_instance
 	# shellcheck disable=SC2086
@@ -385,12 +385,17 @@ _dns_server() {
 	local ip=$1
 	resolv=$(resolveip -4 ${ip} | head -n 1)
 	[ -n "${resolv}" ] && [ "${resolv}" != "${ip}" ] && multiserver=true
+	resolv=$(resolveip -6 ${ip} | head -n 1)
+	[ -n "${resolv}" ] && [ "${resolv}" != "${ip}" ] && multiserver=true
+	ipcount=$((ipcount+1))
 }
 
 _multi_server() {
+	local ipcount=0
 	config_get backup $1 backup
 	[ "$backup" = "1" ] && multiserver=true
 	config_list_foreach $1 ip _dns_server
+	[ "$ipcount" != "0" ] && [ "$ipcount" != "1" ] && multiserver=true
 }
 
 _gre_tunnel() {
diff --git a/openmptcprouter-api/files/usr/libexec/rpcd/openmptcprouter b/openmptcprouter-api/files/usr/libexec/rpcd/openmptcprouter
index b680dce20..213016384 100755
--- a/openmptcprouter-api/files/usr/libexec/rpcd/openmptcprouter
+++ b/openmptcprouter-api/files/usr/libexec/rpcd/openmptcprouter
@@ -1056,12 +1056,16 @@ function interfaces_status()
 					mArray.openmptcprouter["tun_state"] = "DOWN"
 				end
 				if mArray.openmptcprouter["ipv6"] == "enabled" or mArray.openmptcprouter["service_addr_ip6"] ~= "" then
-					local tunnel_ipv6_gw = uci:get("network","omr6in4","gateway")
-					local tunnel_ping6_test = ut.trim(sys.exec("ping6 -w 1 -c 1 " .. tunnel_ipv6_gw .. "%6in4-omr6in4 | grep '100% packet loss'"))
-					if tunnel_ping6_test == "" then
-						mArray.openmptcprouter["tun6_state"] = "UP"
+					local tunnel_ipv6_gw = uci:get("network","omr6in4","gateway") or ""
+					if tunnel_ipv6_gw ~= "" then
+						local tunnel_ping6_test = ut.trim(sys.exec("ping6 -w 1 -c 1 " .. tunnel_ipv6_gw .. "%6in4-omr6in4 | grep '100% packet loss'"))
+						if tunnel_ping6_test == "" then
+							mArray.openmptcprouter["tun6_state"] = "UP"
+						else
+							mArray.openmptcprouter["tun6_state"] = "DOWN"
+						end
 					else
-						mArray.openmptcprouter["tun6_state"] = "DOWN"
+						mArray.openmptcprouter["tun6_state"] = "UNKNOWN"
 					end
 				end
 			else