diff -Nru 0.7.15-alt1/etc/net/options.d/00-default 0.7.15-uka/etc/net/options.d/00-default
--- 0.7.15-alt1/etc/net/options.d/00-default	2005-10-19 09:59:52 +0300
+++ 0.7.15-uka/etc/net/options.d/00-default	2005-11-16 18:16:10 +0200
@@ -25,6 +25,7 @@
 # config files
 IFACEDIR=/etc/net/ifaces
 VARLIBDIR=/var/lib/etcnet
+VARLOCKDIR=/var/lock/etcnet
 VLANTAB=/etc/net/vlantab
 HOSTTAB=/etc/net/hosttab
 IFTAB=/etc/net/iftab
diff -Nru 0.7.15-alt1/etc/net/scripts/create-ppp 0.7.15-uka/etc/net/scripts/create-ppp
--- 0.7.15-alt1/etc/net/scripts/create-ppp	2005-10-26 21:34:18 +0300
+++ 0.7.15-uka/etc/net/scripts/create-ppp	2005-11-17 07:25:31 +0200
@@ -26,7 +26,7 @@
 CHAT_CMD="$CHAT ${CHATOPTIONS:-$DEFAULT_CHATOPTIONS} -f"
 
 # This one is a must.
-BASIC_PPPOPTIONS="nolog updetach unit ${NAME//ppp/}"
+BASIC_PPPOPTIONS="nolog updetach unit ${NAME//ppp/} ipparam etcnet-$NAME"
 
 PROF_PPPOPTIONSFILE=`profiled_filename $MYIFACEDIR/${PPPOPTIONSFILE:=$DEFAULT_PPPOPTIONSFILE}`
 [ -s $PROF_PPPOPTIONSFILE ] || PROF_PPPOPTIONSFILE=
diff -Nru 0.7.15-alt1/etc/net/scripts/ifconfig-ipv4 0.7.15-uka/etc/net/scripts/ifconfig-ipv4
--- 0.7.15-alt1/etc/net/scripts/ifconfig-ipv4	1970-01-01 03:00:00 +0300
+++ 0.7.15-uka/etc/net/scripts/ifconfig-ipv4	2005-11-17 08:18:14 +0200
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+usage()
+{
+    echo "Usage: $0 <interface>" >&2
+    exit 1
+}
+
+[ -z "$1" ] && usage
+NAME=$1
+
+. ${SCRIPTDIR:=/etc/net/scripts}/functions
+if [ -d $IFACEDIR/$NAME@$NETHOST ]; then
+    MYIFACEDIR=$IFACEDIR/$NAME@$NETHOST
+else
+    MYIFACEDIR=$IFACEDIR/$NAME
+fi
+
+[ -d "$MYIFACEDIR" ] || {
+    print_error "interface configuration directory '$MYIFACEDIR' not found"
+    exit 1
+}
+export IFACEDIR MYIFACEDIR SCRIPTDIR NAME NETPROFILE SEEN_IFACES
+
+# Check if interface lock file is present. If true this means that
+# ifup/ifdown script is working, this script will configure iface
+# itself, so we exit
+IFACE_LOCK_FILE="${VARLOCKDIR:=var/lock/etcnet}/if-updown-$NAME.lock"
+[ -f "$IFACE_LOCK_FILE" ] && exit 0
+
+${SCRIPTDIR}/config-ipv4 2>/dev/null
+exit 0
+
diff -Nru 0.7.15-alt1/etc/net/scripts/ifdown 0.7.15-uka/etc/net/scripts/ifdown
--- 0.7.15-alt1/etc/net/scripts/ifdown	2005-08-03 13:41:34 +0300
+++ 0.7.15-uka/etc/net/scripts/ifdown	2005-11-16 20:55:12 +0200
@@ -20,6 +20,19 @@
 fi
 
 export IFACEDIR MYIFACEDIR SCRIPTDIR NAME NETPROFILE SEEN_IFACES
+
+# ifup/ifdown script creates a lock file while being running for
+# following popouses:
+# 1. This prevents running more then one instance of this script
+#    simultaniously
+# 2. Presence of lockfile shows other processes that interface is
+#    under up/down progress
+
+IFACE_LOCK_FILE="${VARLOCKDIR:=var/lock/etcnet}/if-updown-$NAME.lock"
+mkdir -p ${VARLOCKDIR}
+/usr/bin/lockfile "$IFACE_LOCK_FILE" || exit 3
+trap 'rm -f "$IFACE_LOCK_FILE" ' EXIT SIGHUP SIGTERM SIGINT
+
 init_netprofile
 pickup_options
 
diff -Nru 0.7.15-alt1/etc/net/scripts/ifup 0.7.15-uka/etc/net/scripts/ifup
--- 0.7.15-alt1/etc/net/scripts/ifup	2005-09-16 21:38:01 +0300
+++ 0.7.15-uka/etc/net/scripts/ifup	2005-11-16 20:56:54 +0200
@@ -28,6 +28,18 @@
 }
 export IFACEDIR MYIFACEDIR SCRIPTDIR NAME NETPROFILE SEEN_IFACES
 
+# ifup/ifdown script creates a lock file while being running for
+# following popouses:
+# 1. This prevents running more then one instance of this script
+#    simultaniously
+# 2. Presence of lockfile shows other processes that interface is
+#    under up/down progress
+
+IFACE_LOCK_FILE="${VARLOCKDIR:=var/lock/etcnet}/if-updown-$NAME.lock"
+mkdir -p ${VARLOCKDIR}
+/usr/bin/lockfile "$IFACE_LOCK_FILE" || exit 3
+trap 'rm -f "$IFACE_LOCK_FILE" ' EXIT SIGHUP SIGTERM SIGINT
+
 init_netprofile
 pickup_options
 
diff -Nru 0.7.15-alt1/etc/ppp/ip-down.d/etcnet 0.7.15-uka/etc/ppp/ip-down.d/etcnet
--- 0.7.15-alt1/etc/ppp/ip-down.d/etcnet	1970-01-01 03:00:00 +0300
+++ 0.7.15-uka/etc/ppp/ip-down.d/etcnet	2005-11-17 12:13:45 +0200
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+# Check if interface up by etcnet. In this case "$6" must
+# be set as "etcnet-$NAME" due to pppd ipparam option
+# when interface was created
+
+NAME="$1"
+IPPARAM="$6"
+
+test "$IPPARAM" = "etcnet-$NAME" || exit
+
+. ${SCRIPTDIR:=/etc/net/scripts}/functions
+if [ -d $IFACEDIR/$NAME@$NETHOST ]; then
+    MYIFACEDIR=$IFACEDIR/$NAME@$NETHOST
+else
+    MYIFACEDIR=$IFACEDIR/$NAME
+fi
+
+[ -d "$MYIFACEDIR" ] || exit
+export IFACEDIR MYIFACEDIR SCRIPTDIR NAME NETPROFILE SEEN_IFACES
+
+# Check if ifdown script is in progress. If true then ifdown
+# do all itself, so we exit
+
+IFACE_LOCK_FILE="${VARLOCKDIR:=var/lock/etcnet}/if-updown-$NAME.lock"
+test -f "$IFACE_LOCK_FLE" && exit
+
+# At this point we are sure that interface is up by etcnet system
+# and this script is called by pppd before ifdown was started
+# (e.g. when reconnected due to persist option)
+
+# Call custom scripts
+ExecIfExecutable ${SCRIPTDIR}/ifdown-pre-local $NAME
+ExecIfExecutable ${MYIFACEDIR}/ifdown-pre $NAME
+
diff -Nru 0.7.15-alt1/etc/ppp/ip-up.d/etcnet 0.7.15-uka/etc/ppp/ip-up.d/etcnet
--- 0.7.15-alt1/etc/ppp/ip-up.d/etcnet	1970-01-01 03:00:00 +0300
+++ 0.7.15-uka/etc/ppp/ip-up.d/etcnet	2005-11-17 12:13:58 +0200
@@ -0,0 +1,38 @@
+#!/bin/bash
+
+# Check if interface up by etcnet. In this case "$6" must
+# be set as "etcnet-$NAME" due to pppd ipparam option
+# when interface was created
+
+NAME="$1"
+IPPARAM="$6"
+
+test "$IPPARAM" = "etcnet-$NAME" || exit
+
+. ${SCRIPTDIR:=/etc/net/scripts}/functions
+if [ -d $IFACEDIR/$NAME@$NETHOST ]; then
+    MYIFACEDIR=$IFACEDIR/$NAME@$NETHOST
+else
+    MYIFACEDIR=$IFACEDIR/$NAME
+fi
+
+[ -d "$MYIFACEDIR" ] || exit
+export IFACEDIR MYIFACEDIR SCRIPTDIR NAME NETPROFILE SEEN_IFACES
+
+# Check if ifup script is in progress. If true then ifup
+# do all itself, so we exit
+
+IFACE_LOCK_FILE="${VARLOCKDIR:=var/lock/etcnet}/if-updown-$NAME.lock"
+test -f "$IFACE_LOCK_FLE" && exit
+
+# At this point we are sure that interface is up by etcnet system
+# and this script is called by pppd after ifup was completed
+# (e.g. when reconnected due to persist option)
+
+# Reconfiguring iface and routes
+ExecIfExecutable ${SCRIPTDIR}/ifconfig-ipv4 $NAME
+
+# Call custom scripts
+ExecIfExecutable ${SCRIPTDIR}/ifup-post-local $NAME
+ExecIfExecutable ${MYIFACEDIR}/ifup-post $NAME
+