src/initscripts/networking/red

   1 #!/bin/sh
   2 ########################################################################
   3 # Begin
   4 #
   5 # Description : RED Device Script
   6 #
   7 # Authors     : Michael Tremer - mitch@ipfire.org
   8 #               Maniacikarus - maniacikarus@ipfire.org
   9 # Inspired by : Nathan Coulson - nathan@linuxfromscratch.org
  10 #               Kevin P. Fleming - kpfleming@linuxfromscratch.org
  11 #
  12 # Version     : 01.00
  13 #
  14 # Notes       :
  15 #
  16 ########################################################################
  17
  18 . /etc/sysconfig/rc
  19 . ${rc_functions}
  20 . /etc/init.d/networking/functions.network
  21
  22 #Define some defaults
  23 INET_VLAN=7
  24 IPTV_VLAN=8
  25 ATM_DEV=0
  26
  27 eval $(/usr/local/bin/readhash /var/ipfire/main/settings)
  28 if [ "$RRDLOG" == "" ]; then
  29         RRDLOG=/var/log/rrd
  30 fi
  31
  32 eval $(/usr/local/bin/readhash /var/ipfire/ethernet/settings)
  33 eval $(/usr/local/bin/readhash /var/ipfire/dns/settings)
  34 eval $(/usr/local/bin/readhash /var/ipfire/mac/settings)
  35
  36 MAC=$(tr - : <<<$MAC)
  37 MAC1=$(tr - : <<<$MAC1)
  38 MAC2=$(tr - : <<<$MAC2)
  39
  40 TYPE="${RED_TYPE}"
  41 DEVICE="${RED_DEV}"
  42
  43 if [ "$TYPE" == "STATIC" ] || [ "$TYPE" == "DHCP" ]; then
  44         if [ "$DEVICE" == "" ]; then
  45                 boot_mesg "No device for red network. Please run setup." ${FAILURE}
  46                 echo_failure
  47                 [ "${1}" == "start" ] && exit 0
  48         fi
  49 fi
  50
  51 if [ "${TYPE}" == "STATIC" ]; then
  52         if [ "${DEVICE}" != "${GREEN_DEV}" ]; then
  53                 ADDRESS="${RED_ADDRESS}"
  54                 NETADDRESS="${RED_NETADDRESS}"
  55                 NETMASK="${RED_NETMASK}"
  56                 MTU="${RED_MTU}"
  57         else
  58                 ADDRESS="${GREEN_ADDRESS}"
  59                 NETADDRESS="${GREEN_NETADDRESS}"
  60                 NETMASK="${GREEN_NETMASK}"
  61                 MTU="${GREEN_MTU}"
  62         fi
  63         GATEWAY="${DEFAULT_GATEWAY}"
  64         # DNS1
  65         # DNS2
  66
  67         if [ -n "${ADDRESS}" -a -n "${NETMASK}" ]; then
  68                 PREFIX=`whatmask ${NETMASK} | grep -e ^CIDR | awk -F': ' '{ print $2 }' | cut -c 2-`
  69                 args="${args} ${ADDRESS}/${PREFIX}"
  70         else
  71                 boot_mesg "ADDRESS and/or NETMASK variable missing from input, cannot continue." ${FAILURE}
  72                 echo_failure
  73                 exit 1
  74         fi
  75 fi
  76
  77 case "${1}" in
  78         start)
  79                 if [ "${DEVICE}" != "${GREEN_DEV}" ] && [ "${DEVICE}" != "" ]; then
  80                         boot_mesg "Bringing up the ${DEVICE} interface..."
  81                         boot_mesg_flush
  82                         # Check if an interface is there...
  83                         if ip link show ${DEVICE} > /dev/null 2>&1; then
  84                                 link_status=`ip link show ${DEVICE} 2> /dev/null`
  85                                 if [ -n "${link_status}" ]; then
  86                                         if ! echo "${link_status}" | grep -q UP; then
  87                                                 if [ -n "$MAC" ]; then
  88                                                         boot_mesg "Setting mac address on ${DEVICE} to ${MAC}"
  89                                                         ip link set dev ${DEVICE} address ${MAC}
  90                                                         evaluate_retval
  91                                                 fi
  92                                                 ip link set ${DEVICE} up
  93                                         fi
  94                                 fi
  95                         else
  96                                 boot_mesg "Interface ${DEVICE} doesn't exist." ${FAILURE}
  97                                 echo_failure
  98                                 exit 1
  99                         fi
 100                 fi
 101
 102                 ## Create & Enable vnstat
 103                 /usr/bin/vnstat -u -i ${DEVICE} -r --enable --force > /dev/null 2>&1
 104
 105                 if [ "${TYPE}" == "STATIC" ]; then
 106                         # Set the MTU
 107                         if [ -n "${MTU}" ]; then
 108                                 if ! ip link set dev "${DEVICE}" mtu "${MTU}" &>/dev/null; then
 109                                         boot_mesg "Could not set MTU of ${MTU} to ${DEVICE}..."
 110                                         echo_warning
 111                                 fi
 112                         fi
 113
 114                         if [ "$DEVICE" != "${GREEN_DEV}" ]; then
 115                                 boot_mesg "Adding IPv4 address ${ADDRESS} to the ${DEVICE} interface..."
 116                                 ip addr add ${args} dev ${DEVICE}
 117                                 evaluate_retval
 118                         fi
 119                         echo -n "${DEVICE}" > /var/ipfire/red/iface
 120                         echo -n "${ADDRESS}"  > /var/ipfire/red/local-ipaddress
 121                         echo -n "${GATEWAY}" > /var/ipfire/red/remote-ipaddress
 122                         grep -v -E "\<gateway\>" /etc/hosts > /tmp/hosts
 123                         echo "$GATEWAY  gateway"  >> /tmp/hosts
 124                         mv /tmp/hosts /etc/hosts
 125                         touch /var/ipfire/red/active
 126
 127                         # Create route to default gateway
 128                         ip route add ${GATEWAY} dev ${DEVICE}
 129
 130                         boot_mesg "Setting up default gateway ${GATEWAY}..."
 131                         ip route add default via ${GATEWAY} dev ${DEVICE}
 132                         evaluate_retval
 133
 134                         if [ -d "/sys/class/net/${DEVICE}" ]; then
 135                                 # has carrier ?
 136                                 if [ ! "$(</sys/class/net/${DEVICE}/carrier)" = "1" ]; then
 137                                         boot_mesg -n "Wait for carrier on ${DEVICE} "
 138                                         for (( i=30; i>1; i-- )) do
 139                                                 if [ "$(</sys/class/net/${DEVICE}/carrier)" = "1" ]; then
 140                                                         break;
 141                                                 fi
 142                                                 boot_mesg -n "."
 143                                                 sleep 2
 144                                         done
 145                                         boot_mesg ""
 146                                         if [ ! "$(</sys/class/net/${DEVICE}/carrier)" = "1" ]; then
 147                                                 echo_failure
 148                                         else
 149                                                 echo_ok
 150                                         fi
 151                                 fi
 152                         fi
 153
 154                         run_subdir ${rc_base}/init.d/networking/red.up/
 155
 156                         # Configure aliases only if red static
 157                         /usr/local/bin/setaliases
 158
 159                 elif [ "${TYPE}" == "DHCP" ]; then
 160                         # Add firewall rules to allow comunication with the dhcp server on red.
 161                         iptables -A REDINPUT -p tcp --source-port 67 --destination-port 68 -i ${DEVICE} -j ACCEPT
 162                         iptables -A REDINPUT -p udp --source-port 67 --destination-port 68 -i ${DEVICE} -j ACCEPT
 163
 164                         echo -n "${DEVICE}" > /var/ipfire/red/iface
 165
 166                         # Check if the wlan-client is used on red.
 167                         # To determine this we check if a wpa_supplicant is running.
 168                         pid="$(pidof wpa_supplicant)"
 169
 170                         if [ -z "${pid}" ]; then
 171                                 # No wpa_supplicant is running. So it's save to start dhcpcd.
 172                                 dhcpcd_start "${DEVICE}"
 173                         fi
 174
 175                         ## Create & Enable vnstat
 176                         /usr/bin/vnstat -u -i ${DEVICE} -r --enable --force > /dev/null 2>&1
 177
 178                 elif [ "$TYPE" == "PPPOE" ]; then
 179
 180                         if ( ps ax | grep -q [p]ppd ); then
 181                             boot_mesg "pppd is still running." ${FAILURE}
 182                             echo_failure
 183                             exit 1
 184                         fi
 185
 186                         eval $(/usr/local/bin/readhash /var/ipfire/ppp/settings)
 187
 188                         [ -c "/dev/ppp" ] || mknod /dev/ppp c 108 0
 189
 190                         # We force the plugin method, anyway.
 191                         METHOD="PPPOE_PLUGIN"
 192
 193                         PPP_NIC=${DEVICE}
 194
 195
 196                         if [ "$TYPE" == "pppoeatm" ] || [ "$TYPE" == "pptpatm" ]; then
 197                                 PPP_NIC=nas${ATM_DEV}
 198                                 DEVICE=nas${ATM_DEV}
 199                                 boot_mesg "Creating ATM-Bridge as $PPP_NIC ..."
 200                                 br2684ctl -c${ATM_DEV} -e${ENCAP} -a${ATM_DEV}.${VPI}.${VCI} >/dev/null 2>&1 &
 201                                 sleep 1
 202
 203                                 # use user-defined or green mac address for nas0
 204                                 if [ -n "$MAC" ]; then
 205                                         ip link set dev nas${ATM_DEV} address ${MAC}
 206                                 else
 207                                         ip link set dev nas${ATM_DEV} address $(cat /sys/class/net/green0/address)
 208                                 fi
 209
 210                                 if [ "$TYPE" == "pppoeatm" ]; then
 211                                         TYPE="pppoe"
 212                                 fi
 213                                 if [ "$TYPE" == "pptpatm" ]; then
 214                                         TYPE="pptp"
 215                                 fi
 216                         fi
 217
 218                         if [ "$TYPE" == "vdsl" ]; then
 219                                 boot_mesg "Creating VLAN Interface ${DEVICE}.${INET_VLAN} ..."
 220                                 modprobe 8021q
 221                                 vconfig add ${DEVICE} ${INET_VLAN}
 222                                 if [ -n "$MAC1" ]; then
 223                                         boot_mesg "Setting mac address on ${DEVICE}.${INET_VLAN} to ${MAC1}"
 224                                         ip link set dev ${DEVICE}.${INET_VLAN} address ${MAC1}
 225                                         evaluate_retval
 226                                 fi
 227                                 PPP_NIC=${DEVICE}.${INET_VLAN}
 228                                 sleep 0.2
 229                                 ip link set ${PPP_NIC} up
 230                                 TYPE="pppoe"
 231                         fi
 232                         if [ "${IPTV}" == "enable" ]; then
 233                                 PIDFILE="/var/run/dhcpcd/${DEVICE}.${IPTV_VLAN}.pid"
 234                                 LEASEINFO="/var/ipfire/dhcpc/dhcpcd-${DEVICE}.${IPTV_VLAN}.info"
 235                                 # Test to see if there is a stale pid file
 236                                 if [ -f "$PIDFILE" ]; then
 237                                         ps `cat "$PIDFILE"` | grep dhcpcd > /dev/null
 238                                         if [ $? != 0 ]; then
 239                                                 rm -f /var/run/dhcpcd/${DEVICE}.${IPTV_VLAN}.pid > /dev/null
 240                                         fi
 241                                 fi
 242
 243                                 if [ ! -f "$PIDFILE" ]; then
 244                                         boot_mesg "Creating VLAN Interface ${DEVICE}.${IPTV_VLAN} ..."
 245                                         modprobe 8021q
 246                                         vconfig add ${DEVICE} ${IPTV_VLAN}
 247                                         if [ -n "$MAC2" ]; then
 248                                                 boot_mesg "Setting mac address on ${DEVICE}.${IPTV_VLAN} to ${MAC2}"
 249                                                 ip link set dev ${DEVICE}.${IPTV_VLAN} address ${MAC2}
 250                                                 evaluate_retval
 251                                         fi
 252                                         boot_mesg -n "Starting dhcpcd on the ${DEVICE}.${IPTV_VLAN} interface..."
 253                                         /sbin/dhcpcd ${DEVICE}.${IPTV_VLAN} ${DHCP_START} >/dev/null 2>&1
 254                                         RET="$?"
 255
 256                                         if [ "$RET" = "0" ]; then
 257                                                 . /var/ipfire/dhcpc/dhcpcd-${DEVICE}.${IPTV_VLAN}.info
 258                                                 echo ""
 259                                                 echo_ok
 260                                                 boot_mesg "           DHCP Assigned Settings for ${DEVICE}.${IPTV_VLAN}:"
 261                                                 boot_mesg_flush
 262                                                 boot_mesg "           IP Address:      $ip_address"
 263                                                 boot_mesg_flush
 264                                                 boot_mesg "           Hostname:        $RED_DHCP_HOSTNAME"
 265                                                 boot_mesg_flush
 266                                                 boot_mesg "           Subnet Mask:     $subnet_mask"
 267                                                 boot_mesg_flush
 268                                                 boot_mesg "           Default Gateway: $routers"
 269                                                 boot_mesg_flush
 270                                                 boot_mesg "           DNS Server:      $domain_name_servers"
 271                                                 boot_mesg_flush
 272
 273                                         else
 274                                                 echo ""
 275                                                 $(exit "$RET")
 276                                                 evaluate_retval
 277                                         fi
 278                                 fi
 279                         fi
 280                         if [ "$TYPE" == "pppoe" ] || [ "$TYPE" == "pptp" ]; then
 281                                 if [ "$PPP_NIC" == "" ]; then
 282                                         boot_mesg "No device for red interface given. Check netsetup or dialprofile!" ${FAILURE}
 283                                         echo_failure
 284                                         exit 0
 285                                 fi
 286                                 boot_mesg "Bringing up the $TYPE interface on $PPP_NIC ..."
 287                                 ip addr flush dev $PPP_NIC >/dev/null 2>&1
 288                                 if [ "$TYPE" == "pptp" ]; then
 289                                         if [ "$PPTP_NICCFG" == "dhcp" ]; then
 290                                                 # Test to see if there is a stale pid file
 291                                                 if [ -f "$PIDFILE" ]; then
 292                                                         ps `cat "$PIDFILE"` | grep dhcpcd > /dev/null
 293                                                         if [ $? != 0 ]; then
 294                                                                 rm -f /var/run/dhcpcd/${DEVICE}.pid > /dev/null
 295                                                         fi
 296                                                 fi
 297
 298                                                 if [ ! -f "$PIDFILE" ]; then
 299                                                         boot_mesg -n "Starting dhcpcd on the ${DEVICE} interface..."
 300                                                         /sbin/dhcpcd ${DEVICE} ${DHCP_START} >/dev/null 2>&1
 301                                                         RET="$?"
 302
 303                                                         if [ "$RET" = "0" ]; then
 304                                                                 . /var/ipfire/dhcpc/dhcpcd-${DEVICE}.info
 305                                                                 echo ""
 306                                                                 echo_ok
 307                                                                 boot_mesg "           DHCP Assigned Settings for ${DEVICE}:"
 308                                                                 boot_mesg_flush
 309                                                                 boot_mesg "           IP Address:      $ip_address"
 310                                                                 boot_mesg_flush
 311                                                                 boot_mesg "           Hostname:        $RED_DHCP_HOSTNAME"
 312                                                                 boot_mesg_flush
 313                                                                 boot_mesg "           Subnet Mask:     $subnet_mask"
 314                                                                 boot_mesg_flush
 315                                                                 boot_mesg "           Default Gateway: $routers"
 316                                                                 boot_mesg_flush
 317                                                                 boot_mesg "           DNS Server:      $domain_name_servers"
 318                                                                 boot_mesg_flush
 319                                                                 /sbin/route add $PPTP_PEER gw $routers $PPP_NIC
 320                                                         else
 321                                                                 echo ""
 322                                                                 $(exit "$RET")
 323                                                                 evaluate_retval
 324                                                         fi
 325                                                 fi
 326                                         else
 327                                                 ip addr add $PPTP_NICCFG dev $PPP_NIC
 328                                         fi
 329                                 fi
 330                                 ip link set ${PPP_NIC} up
 331                                 if [ -n "${PPTP_ROUTE}" ]; then
 332                                         boot_mesg "Set route ${PPTP_ROUTE} to pptp server..."
 333                                         route add ${PPTP_ROUTE}
 334                                 fi
 335                         else
 336                                 boot_mesg "Bringing up the PPP via ${TYPE} on ${COMPORT}..."
 337                         fi
 338
 339                         ###                      ###
 340                         ### Configuring the pppd ###
 341                         ###                      ###
 342
 343                         ### Plugin Options
 344                         #
 345                         if [ "$TYPE" == "pppoe" ]; then
 346                                 [ "${METHOD}" == "PPPOE_PLUGIN" ] && \
 347                                         PLUGOPTS="plugin rp-pppoe.so"
 348                         fi
 349
 350                         ### Synchronous Mode
 351                         #
 352                         #PPPOE_SYNC=-s
 353                         #PPPD_SYNC=sync
 354
 355                         ### Access Concentrator Name
 356                         #
 357                         if [ -n "${CONCENTRATORNAME}" ]; then
 358                                 ACNAME="-C ${CONCENTRATORNAME}"
 359                         fi
 360
 361                         ### Service Name
 362                         #
 363                         if [ -n "${SERVICENAME}" ]; then
 364                                 if [ "${METHOD}" == "PPPOE_PLUGIN" ]; then
 365                                         PLUGOPTS+=" rp_pppoe_service ${SERVICENAME}"
 366                                 else
 367                                         SERVICENAME="-S ${SERVICENAME}"
 368                                 fi
 369                         fi
 370
 371                         ### Authentication Types
 372                         #
 373                         if [ "${AUTH}" == "pap" ]; then
 374                                 AUTH="-chap"
 375                         elif [ "${AUTH}" == "chap" ]; then
 376                                 AUTH="-pap"
 377                         else
 378                                 AUTH=""
 379                         fi
 380
 381                         ### Dial On Demand
 382                         #
 383                         if [ "${RECONNECTION}" != "persistent" ]; then
 384                                 if [ "${TIMEOUT}" != "0" ] && [ "${TIMEOUT}" != "" ]; then
 385                                         SECONDS=$[${TIMEOUT} * 60]
 386                                 else
 387                                         SECONDS=300
 388                                 fi
 389                                 if [ "${RECONNECTION}" == "dialondemand" ]; then
 390                                         touch /var/ipfire/red/dial-on-demand
 391                                         DEMAND="demand persist idle ${SECONDS} 10.112.112.112:10.112.112.113"
 392                                         DEMAND+=" ipcp-accept-remote ipcp-accept-local noipdefault ktune"
 393                                 fi
 394                         fi
 395
 396                         if [ "$TYPE" == "pppoe" ]; then
 397                                 ### When using pppoe-plugin the device has to be the last option
 398                                 #
 399                                 [ "${METHOD}" == "PPPOE_PLUGIN" ] && PLUGOPTS+=" $PPP_NIC"
 400                         fi
 401
 402                         if [ "$TYPE" == "modem" ]; then
 403                                 PLUGOPTS=" /dev/${COMPORT} ${DTERATE} connect /etc/ppp/dialer lock modem crtscts"
 404                                 METHOD="PPPOE_PLUGIN"
 405                         elif [ "$TYPE" == "serial" ]; then
 406                                 PLUGOPTS=" /dev/${COMPORT} ${DTERATE} connect /bin/true lock modem crtscts"
 407                                 METHOD="PPPOE_PLUGIN"
 408                         fi
 409
 410                         ### Standard PPP options we always use
 411                         #
 412                         PPP_STD_OPTIONS="$PLUGOPTS usepeerdns defaultroute noipdefault noauth"
 413                         PPP_STD_OPTIONS+=" default-asyncmap hide-password nodetach"
 414                         PPP_STD_OPTIONS+=" noaccomp nodeflate nopcomp novj novjccomp"
 415                         PPP_STD_OPTIONS+=" nobsdcomp user ${USERNAME} lcp-echo-interval 20"
 416                         PPP_STD_OPTIONS+=" lcp-echo-failure 5 ${AUTH}"
 417
 418                         if [ -n "${MTU}" ]; then
 419                                 PPP_STD_OPTIONS="${PPP_STD_OPTIONS} mtu ${MTU}"
 420                         fi
 421
 422                         if [ -n "${MRU}" ]; then
 423                                 PPP_STD_OPTIONS="${PPP_STD_OPTIONS} mru ${MRU}"
 424                         fi
 425
 426                         ### Debugging
 427                         #
 428                         if [ "${DEBUG}" == "on" ]; then
 429                                 DEBUG="debug"
 430                         else
 431                                 DEBUG=""
 432                         fi
 433
 434                         ### PPPoE invocation
 435                         #
 436                         if [ "$TYPE" == "pppoe" ]; then
 437                                 PPPOE_CMD="/usr/sbin/pppoe -p /var/run/ppp-ipfire.pid.pppoe -I $PPP_NIC"
 438                                 PPPOE_CMD+=" -T 80 -U $PPPOE_SYNC $ACNAME $SERVICENAMEOPT"
 439                         fi
 440
 441                         ### PPTP ###
 442                         #
 443                         if [ "$TYPE" == "pptp" ]; then
 444                                 PPPOE_CMD="pptp $PPTP_PEER --nolaunchpppd"
 445                                 METHOD=""
 446                         fi
 447
 448                         ### Run everything
 449                         #
 450                         if [ "$METHOD" == "PPPOE_PLUGIN" ]; then
 451                                 /usr/sbin/pppd $PPP_STD_OPTIONS $DEBUG $DEMAND >/dev/null 2>&1 &
 452                                 evaluate_retval
 453                                 # echo PLUGIN: /usr/sbin/pppd $PPP_STD_OPTIONS $DEBUG $DEMAND
 454                         else
 455                                 /usr/sbin/pppd pty "$PPPOE_CMD" $PPP_STD_OPTIONS $DEBUG $DEMAND $PPPD_SYNC >/dev/null 2>&1 &
 456                                 evaluate_retval
 457                                 # echo PPP: /usr/sbin/pppd pty "$PPPOE_CMD" $PPP_STD_OPTIONS $DEBUG $DEMAND $PPPD_SYNC
 458                         fi
 459                         ## Create & Enable vnstat
 460                         /usr/bin/vnstat -u -i ppp0 -r --enable --force > /dev/null 2>&1
 461                         /etc/rc.d/init.d/connectd start
 462                         # Add a NaN value to ppp0 rrd to supress spikes at reconnect
 463                         rrdtool update $RRDLOG/collectd/localhost/interface/if_octets-ppp0.rrd \
 464                                 $(date +%s):: > /dev/null 2>&1
 465                         exit 0
 466                 fi
 467                 ;;
 468
 469         stop)
 470                 rm -f /var/ipfire/red/{active,device,dial-on-demand,dns1,dns2,local-ipaddress,remote-ipaddress,resolv.conf}
 471
 472                 if [ "$TYPE" == "STATIC" ]; then
 473                         boot_mesg "Stopping default gateway ${GATEWAY}..."
 474                         ip route del default via ${GATEWAY} >/dev/null 2>&1
 475                         echo_ok
 476                         if [ "$DEVICE" != "${GREEN_DEV}" ]; then
 477                                 boot_mesg "Removing IPv4 addresses from the ${DEVICE} interface..."
 478                                 ip addr flush dev ${DEVICE}
 479                                 evaluate_retval
 480                         fi
 481                         run_subdir ${rc_base}/init.d/networking/red.down/
 482
 483                 elif [ "$TYPE" == "PPPOE" ]; then
 484                         boot_mesg "Bringing down the PPP interface ..."
 485                         ## Disable vnstat collection
 486                         /usr/bin/vnstat -u -i ppp0 -r --disable > /dev/null 2>&1
 487                         rm -f /var/ipfire/red/keepconnected
 488                         killall -w -s TERM /usr/sbin/pppd 2>/dev/null
 489                         evaluate_retval
 490                         # Add a NaN value to ppp0 rrd to supress spikes at reconnect
 491                         rrdtool update $RRDLOG/collectd/localhost/interface/if_octets-ppp0.rrd \
 492                                 $(date +%s):: > /dev/null 2>&1
 493
 494                 elif [ "$TYPE" == "DHCP" ]; then
 495                         # Check if the wlan-client is used on red.
 496                         # To determine this we check if a wpa_supplicant is running.
 497                         pid="$(pidof wpa_supplicant)"
 498
 499                         if [ -z "${pid}" ]; then
 500                                 # Stop dhcpcd.
 501                                 dhcpcd_stop "${DEVICE}"
 502                         fi
 503                 fi
 504
 505                 if [ -n "${PPTP_ROUTE}" ]; then
 506                         route del ${PPTP_ROUTE}
 507                 fi
 508
 509                 if [ "$DEVICE" != "${GREEN_DEV}" ] && [ "$DEVICE" != "" ]; then
 510                         link_status=`ip link show $DEVICE.${INET_VLAN} 2> /dev/null`
 511                         if [ -n "${link_status}" ]; then
 512                                 if echo "${link_status}" | grep -q UP; then
 513                                         boot_mesg "Bringing down the ${DEVICE}.${INET_VLAN} interface..."
 514                                         ip link set ${DEVICE}.${INET_VLAN} down
 515                                         vconfig rem ${DEVICE}.${INET_VLAN}
 516                                         evaluate_retval
 517                                 fi
 518                         else
 519                                 link_status=`ip link show $DEVICE 2> /dev/null`
 520                                 if [ -n "${link_status}" ]; then
 521                                         if echo "${link_status}" | grep -q UP; then
 522                                                 boot_mesg "Bringing down the ${DEVICE} interface..."
 523                                                 ip link set ${DEVICE} down
 524                                                 evaluate_retval
 525                                         fi
 526                                 fi
 527                         fi
 528                 fi
 529                 killall -w -s KILL /usr/sbin/pppd >/dev/null 2>&1
 530                 killall -w -s KILL pptp >/dev/null 2>&1
 531                 killall -w -s KILL br2684ctl >/dev/null 2>&1
 532
 533                 ## Disable vnstat collection
 534                 /usr/bin/vnstat -u -i ${DEVICE} -r --disable > /dev/null 2>&1
 535
 536                 exit 0;
 537                 ;;
 538 esac
 539
 540 # End