xcat-core/xCAT/postscripts/configib

763 lines
25 KiB
Bash
Executable File

#!/bin/bash
# IBM(c) 2013 EPL license http://www.eclipse.org/legal/epl-v10.html
# Internal script used by confignics only
# xCAT post script for configuring ib adapters.
# Work for both IPv4 and IPv6
# The following are a sample of the env used:
# NIC_IBNICS=ib0,ib1
# NIC_IBAPORTS=1 (or 2)
# OSVER=sles11.1
# NICNODE=dxm360m4n04
# NICIPS='eth0!10.1.34.242,ib1!15.0.1.242,ib2!15.0.2.242'
# NICHOSTNAMESUFFIXES='eth1!-eth1,ib1!-ib1,ib2!-ib2'
# NICTYPES='eth1!ethernet,ib1!infiniband,ib2!infiniband'
# NICNETWORKS='eth0!10_1_0_0-255_255_255_0,ib1!ib1,ib2!ib2'
# NETWORKS_LINES=3
# NETWORKS_LINE1='netname=10_1_0_0-255_255_255_0||net=10.1.0.0||mask=255.255.255.0||mgtifname=eth1||gateway=<xcatmaster>||dhcpserver=10.1.0.205||tftpserver=10.1.0.205||nameservers=||ntpservers=||logservers=||dynamicrange=||staticrange=||staticrangeincrement=||nodehostname=||ddnsdomain=||vlanid=||domain=||disable=||comments='
# NETWORKS_LINE2='netname=ib1||net=15.0.1.0||mask=255.255.255.0||mgtifname=||gateway=15.0.1.254||dhcpserver=||tftpserver=||nameservers=||ntpservers=||logservers=||dynamicrange=||staticrange=||staticrangeincrement=||nodehostname=||ddnsdomain=||vlanid=||domain=||disable=||comments='
# NETWORKS_LINE3='netname=ib3||net=15.0.3.0||mask=255.255.255.0||mgtifname=||gateway=||dhcpserver=||tftpserver=||nameservers=||ntpservers=||logservers=||dynamicrange=||staticrange=||staticrangeincrement=||nodehostname=||ddnsdomain=||vlanid=||domain=||disable=||comments='
if [ "$(uname -s|tr 'A-Z' 'a-z')" = "linux" ];then
str_dir_name=`dirname $0`
. $str_dir_name/xcatlib.sh
fi
#This is the number of ports for each ib adpator.
portnum=1
if [ -n "$NIC_IBAPORTS" ]; then
portnum=$NIC_IBAPORTS
fi
# pmatch determines if 1st argument string is matched by 2nd argument pattern
pmatch ()
{
case $1 in
$2) return 0;; # zero return code means string matched by pattern
esac
return 1 # non-zero return code means string not matched by pattern
}
convert_netmask_to_cidr() {
let cidrnum=0
OLFIFS=$IFS
IFS=.
for x in $1
do
case $x in
255) cidrnum=$(expr $cidrnum + 8);;
254) cidrnum=$(expr $cidrnum + 7);;
252) cidrnum=$(expr $cidrnum + 6);;
248) cidrnum=$(expr $cidrnum + 5);;
240) cidrnum=$(expr $cidrnum + 4);;
224) cidrnum=$(expr $cidrnum + 3);;
192) cidrnum=$(expr $cidrnum + 2);;
128) cidrnum=$(expr $cidrnum + 1);;
0);;
esac
done
IFS=$OLDIFS
echo $cidrnum
}
# This function parse the NICEXTRAPARAMS into an array.
# Each arry element contains all the extra params for an ip
# For example:
# NICEXTRAPARAMS="eth0!MTU=1500 sonething=x|MTU=1460,ib0!MTU=65520 CONNECTED_MODE=yes".
# After calling this function with eth0:
# array_extra_param[0]="MTU=1500 sonething=x"
# array_extra_param[1]="MTU=1460"
function get_nic_extra_params() {
nic=$1
if [ ! "$NICEXTRAPARAMS" ];then
return
fi
old_ifs=$IFS
IFS=$','
array_conf_temp=($NICEXTRAPARAMS)
IFS=$old_ifs
#echo "NICEXTRA=$NICEXTRAPARAMS"
i=0
while [ $i -lt ${#array_conf_temp[@]} ]
do
token="${array_conf_temp[$i]}"
D=
if echo "$token" | grep "!"; then
D="!"
else
D=":"
fi
key=`echo "$token" | cut -d"$D" -f 1`
#echo "key=$key nic=$nic"
if [ "$key" == "$nic" ]; then
str_temp_value=`echo "$token" | cut -d"$D" -f 2`
#echo "token=$token, str_temp_value=$str_temp_value"
old_ifs=$IFS
IFS=$'|'
array_nic_params=($str_temp_value)
IFS=$old_ifs
return
fi
i=$((i+1))
done
}
# This functions parse the extra parameters for an ip address of a nic
# Input is like this:
# MTU=65520 something=yes
# After the function is called:
# array_extra_param_names[0]="MTU"
# array_extra_param_values[0]="65520"
# array_extra_param_names[1]="something"
# array_extra_param_values[0]="yes"
#
function parse_nic_extra_params() {
str_extra=$1
unset array_extra_param_names
unset array_extra_param_values
old_ifs=$IFS
IFS=$' '
params_temp=($str_extra)
IFS=$old_ifs
k=0
while [ $k -lt ${#params_temp[@]} ]
do
token2="${params_temp[$k]}"
array_extra_param_names[$k]=`echo "$token2" | cut -d'=' -f 1`
array_extra_param_values[$k]=`echo "$token2" | cut -d'=' -f 2`
k=$((k+1))
done
}
#if $NIC_IBNICS is not defined, all ib nics' configuration files will be deleted.
if [ -z "$NIC_IBNICS" ]; then
echo "nothing to do."
fi
#find correct IB driver
PLTFRM=`uname`
if [[ $OSVER == rhels5* || "$OSVER" == rhels6* || "$OSVER" == ubuntu14* ]]
then
ib_driver="rdma"
#/sbin/service $ib_driver status
checkservicestatus $ib_driver
#if [ $? -eq 1 ]
if [ $? -ne 0 ]
then
ib_driver="openibd"
#/sbin/service $ib_driver status
checkservicestatus $ib_driver
#if [ $? -eq 1 ]
if [ $? -ne 0 ]
then
echo "Not found the driver dameon: rdma or openibd"
logger -p local4.info -t xcat "Not found the driver dameon: rdma or openibd"
exit
fi
fi
else
ib_driver="openibd"
fi
#make changes to the confiuration file
if [ $PLTFRM == "Linux" ]
then
if [ -f "/etc/rdma/rdma.conf" ]
then
TMP1=`sed "s/SDP_LOAD=yes/SDP_LOAD=no/g" /etc/rdma/rdma.conf`
echo "$TMP1" > /etc/rdma/rdma.conf
elif [ -f "/etc/infiniband/openib.conf" ]
then
TMP1=`sed "s/SDP_LOAD=yes/SDP_LOAD=no/g" /etc/infiniband/openib.conf`
echo "$TMP1" > /etc/infiniband/openib.conf
fi
if [ -f "/etc/modprobe.conf" ]
then
if [ "$portnum" == "1" ]; then
TMP2=`sed "/options ib_ehca nr_ports/d" /etc/modprobe.conf`
echo "$TMP2" > /etc/modprobe.conf
echo 'options ib_ehca nr_ports=1' >> /etc/modprobe.conf
else
TMP2=`sed "/options ib_ehca nr_ports=1/d" /etc/modprobe.conf`
echo "$TMP2" > /etc/modprobe.conf
fi
TMP3=`sed "/options ib_ehca lock_hcalls/d" /etc/modprobe.conf`
echo "$TMP3" > /etc/modprobe.conf
echo 'options ib_ehca lock_hcalls=0' >> /etc/modprobe.conf
fi
#/sbin/chkconfig --level 2345 $ib_driver on > /dev/null 2>&1
enableservice $ib_driver > /dev/null 2>&1
#/sbin/service $ib_driver restart
restartservice $ib_driver
sysctl -p
fi
#clean up existing ib nic configrations
if [ $PLTFRM == "Linux" ]
then
if [ -f /etc/redhat-release ]
then
OS_name="redhat"
elif [ -f /etc/SuSE-release ]
then
OS_name="suse"
elif [ -f /etc/os-release ] && cat /etc/os-release |grep NAME|grep Ubuntu>/dev/null
then
OS_name="ubuntu"
else
echo "Unsupported to config IB on this OS!"
logger -p local4.info -t xcat "Unsupported to config IB on this OS!"
exit
fi
if [ $OS_name != 'ubuntu' ]; then
if [ $OS_name == 'suse' ]
then
dir="/etc/sysconfig/network"
else
dir="/etc/sysconfig/network-scripts"
fi
#`rm -f $dir/ifcfg-$nic` 2>&1 1>/dev/null
# nic aliases
`rm -f $dir/ifcfg-ib*` 2>&1 1>/dev/null
else
interfaces="/etc/network/interfaces"
for tmp in `sed -n "/auto ib/=" ${interfaces}`
do
startline=`sed -n "/auto ib/=" ${interfaces}| head -n 1`
endline=`sed -n "$startline,/^auto/p" ${interfaces} |wc -l`
if sed -n "$startline,/^auto/p" ${interfaces} |sed '$!d' |grep "auto" >/dev/null;then
endline=`expr $startline + $endline - 2`
else
endline=`expr $startline + $endline - 1`
fi
((startline--))
temp=`sed -n ${startline}p ${interfaces}`
while [[ $temp =~ ^# ]]
do
((startline--))
temp=`sed -n ${startline}p ${interfaces}`
done
((startline++))
temp=`sed -n ${endline}p ${interfaces}`
while [[ $temp =~ ^# ]]
do
((endline--))
temp=`sed -n ${endline}p ${interfaces}`
done
sed -i ${startline},${endline}d ${interfaces}
done
fi
else
loop_number=`lsdev | grep "IP over Infiniband Network Interface" | wc -l`
num=0
while [ $num -lt $loop_number ]
do
if [ "$portnum" == "2" ]; then
num0=`expr $num \* 2`
num1=`expr $num0 + 1`
`rmdev -d -l ib$num0 >/dev/null 2>&1`
`rmdev -d -l ib$num1 >/dev/null 2>&1`
`rmdev -d -l ml$num >/dev/null 2>&1`
num=`expr $num + 1`
else
`rmdev -d -l ib$num >/dev/null 2>&1`
n=`expr $num % 2`
if [ $n == 1 ]
then
mlnum=`expr $num / 2`
`rmdev -d -l ml$mlnum >/dev/null 2>&1`
fi
num=`expr $num + 1`
fi
done
`rmdev -dl icm >/dev/null 2>&1`
#restart the managers
mkdev -c management -s infiniband -t icm
cfgmgr
fi
declare -a array_nic_params
declare -a array_extra_param_names
declare -a array_extra_param_values
goodnics=""
for nic in `echo "$NIC_IBNICS" | tr "," "\n"`
do
#Get nic ips
nicips=""
for tmp in `echo "$NICIPS" | tr "," "\n"`
do
nic_tmp=`echo "$tmp" | awk -F"!" '{print $1}'`;
if [ $nic_tmp == $nic ]; then
# nicips=ip1|ip2|ip3
nicips=`echo "$tmp" | awk -F"!" '{print $2}'`;
break
fi
done
# echo "nic=$nic, nicip=$nicip"
#get nic networks name
nicnets=""
for tmp in `echo "$NICNETWORKS" | tr "," "\n"`
do
nic_tmp=`echo "$tmp" | awk -F"!" '{print $1}'`;
if [ $nic_tmp == $nic ]; then
# nicnets=net1|net2|net3
nicnets=`echo "$tmp" | awk -F"!" '{print $2}'`;
break
fi
done
#echo "nic=$nic, nicnet=$nicnet"
if [ -z "$nicnets" ]; then
echo "No network defined for $nic"
logger -p local4.info -t xcat "No network defined for $nic"
continue
fi
unset array_nic_params
unset array_extra_param_names
unset array_extra_param_values
get_nic_extra_params $nic
j=0
while [ $j -lt ${#array_nic_params[@]} ]
do
token1="${array_nic_params[$j]}"
echo "array_nic_params $j=$token1"
j=$((j+1))
done
ipindex=0
for nicip in `echo $nicips | tr "|" "\n"`
do
ipindex=`expr $ipindex + 1`
nicnet=`echo $nicnets | cut -d '|' -f$ipindex`
#get netmask and gateway
index=0;
found=0
while [ $index -lt $NETWORKS_LINES ]
do
index=$((index+1))
eval netline=\$NETWORKS_LINE$index
if [[ -n "$netline" ]]; then
for tmp in `echo "$netline" | tr "\|" "\n"`
do
key=`echo "$tmp" | awk -F"=" '{print $1}'`;
case $key in
netname)
netname=`echo "$tmp" | awk -F"=" '{print $2}'`
if [ "$netname" != "$nicnet" ];
then
break;
fi
;;
net)
net=`echo "$tmp" | awk -F"=" '{print $2}'`
;;
mask)
netmask=`echo "$tmp" | awk -F"=" '{print $2}'`
# remove the prefix "/" from ipv6 mask
if echo $netmask | grep "/" 2>&1 1>/dev/null
then
netmask=`echo $netmask | awk -F'/' '{print $2}'`
fi
;;
gateway)
gateway=`echo "$tmp" | awk -F"=" '{print $2}'`
found=1
;;
esac
if [ $found -eq 1 ]; then
break;
fi
done # end for tmp in `echo "$netline" | tr "\|" "\n"`
if [ $found -eq 1 ]; then
break;
fi
fi # end if [[ -n "$netline" ]]
done # end while [ $index -lt $NETWORKS_LINES ]
#echo "found=$found"
#echo "index=$index netname=$nicnet net=$net mask=$netmask gateway=$gateway"
# Setup goodnics list
if [ "$found" == "0" ]; then
echo "Cannot find network $nicnet for $nic"
logger -p local4.info -t xcat "Cannot find network $nicnet for $nic"
continue
else
if [ -z "$goodnics" ]; then
goodnics=$nic
else
goodnics="$goodnics,$nic"
fi
fi
#there should be only one gateway on a node and that should go through the to the xcat management node and would be set up from the install nic. Anything else should be a route
if [ "$gateway" == "<xcatmaster>" ] || [ "$gateway" == "&lt;xcatmaster&gt;" ]; then
gateway=''
fi
if [ ${#array_nic_params[@]} -gt 0 ]; then
str_extra_params=${array_nic_params[$ipindex-1]}
parse_nic_extra_params "$str_extra_params"
fi
if [ $PLTFRM == "Linux" ]
then
# Issue openibd for Linux at boot time
if [ -f /etc/sysctl.conf ]
then
TMP1=`sed "/net.ipv4.conf.$nic.arp_filter=1/d" /etc/sysctl.conf`
echo "$TMP1" > /etc/sysctl.conf
TMP2=`sed "/net.ipv4.conf.$nic.arp_ignore=1/d" /etc/sysctl.conf`
echo "$TMP2" > /etc/sysctl.conf
cfg="net.ipv4.conf.$nic.arp_filter=1"
grep "$cfg" /etc/sysctl.conf 2>&1 1>/dev/null
if [ $? -ne 0 ]
then
echo "net.ipv4.conf.$nic.arp_filter=1" >> /etc/sysctl.conf
fi
cfg="net.ipv4.conf.$nic.arp_ignore=1"
grep "$cfg" /etc/sysctl.conf 2>&1 1>/dev/null
if [ $? -ne 0 ]
then
echo "net.ipv4.conf.$nic.arp_ignore=1" >> /etc/sysctl.conf
fi
fi
if [ $OS_name == 'suse' ]
then
# First ip address
if [ $ipindex -eq 1 ]
then
# Write the info to the ifcfg file
echo "DEVICE=$nic
NM_CONTROLLED=no
BOOTPROTO=static
STARTMODE=onboot
IPADDR=$nicip" > $dir/ifcfg-$nic
# ipv6
if echo $nicip | grep : 2>&1 1>/dev/null
then
echo "PREFIXLEN=$netmask" >> $dir/ifcfg-$nic
else
echo "NETMASK=$netmask" >> $dir/ifcfg-$nic
fi
if [ -n "$gateway" ]; then
# Do not add duplicate default gateway entry
grep -E "default\\s+$gateway\\s+" /etc/sysconfig/network/routes 2>&1 1>/dev/null
if [ $? -ne 0 ]; then
echo "default $gateway - -" >> /etc/sysconfig/network/routes
fi
fi
#add extra params
i=0
while [ $i -lt ${#array_extra_param_names[@]} ]
do
name="${array_extra_param_names[$i]}"
value="${array_extra_param_values[$i]}"
echo " $i: name=$name value=$value"
echo "${name}=${value}" >> $dir/ifcfg-$nic
i=$((i+1))
done
else # not the first ip address
echo "LABEL_$ipindex=$ipindex
IPADDR_$ipindex=$nicip" >> $dir/ifcfg-$nic
# ipv6
if echo $nicip | grep : 2>&1 1>/dev/null
then
echo "PREFIXLEN_$ipindex=$netmask" >> $dir/ifcfg-$nic
else
echo "NETMASK_$ipindex=$netmask" >> $dir/ifcfg-$nic
fi
if [ -n "$gateway" ]; then
# Do not add duplicate default gateway entry
grep -E "default\\s+$gateway\\s+" /etc/sysconfig/network/routes 2>&1 1>/dev/null
if [ $? -ne 0 ]; then
echo "default $gateway - -" >> /etc/sysconfig/network/routes
fi
fi
#add extra params
i=0
while [ $i -lt ${#array_extra_param_names[@]} ]
do
name="${array_extra_param_names[$i]}"
value="${array_extra_param_values[$i]}"
echo " $i: name=$name value=$value"
echo "${name}=${value}" >> $dir/ifcfg-$nic
i=$((i+1))
done
fi # end if [ $ipindex -eq 1 ]
elif [ $OS_name == 'redhat' ]
then
# First ip address
if [ $ipindex -eq 1 ]
then
# Write the info to the ifcfg file
echo "DEVICE=$nic
NM_CONTROLLED=no
BOOTPROTO=none
ONBOOT=yes
IPADDR=$nicip" > $dir/ifcfg-$nic
# ipv6
if echo $nicip | grep : 2>&1 1>/dev/null
then
echo "PREFIXLEN=$netmask" >> $dir/ifcfg-$nic
else
if [[ "$OSVER" == rhels6* ]]
then
#get prefix from netmask, this is for IPv4 only
prefix=24
prefix=$(convert_netmask_to_cidr $netmask)
echo "PREFIX=$prefix" >> $dir/ifcfg-$nic
else
echo "NETMASK=$netmask" >> $dir/ifcfg-$nic
fi
fi
if [ -n "$gateway" ]; then
echo "GATEWAY=$gateway" >> $dir/ifcfg-$nic
fi
#add extra params
i=0
while [ $i -lt ${#array_extra_param_names[@]} ]
do
name="${array_extra_param_names[$i]}"
value="${array_extra_param_values[$i]}"
echo " $i: name=$name value=$value"
echo "${name}=${value}" >> $dir/ifcfg-$nic
i=$((i+1))
done
else # not the first ip address
# ipv6
if echo $nicip | grep : 2>&1 1>/dev/null
then
grep "IPV6INIT" $dir/ifcfg-$nic 2>&1 1>/dev/null
# The first ipv6 address
if [ $? -ne 0 ]
then
echo "IPV6INIT=yes
IPV6ADDR=$nicip/$netmask" >> $dir/ifcfg-$nic
else
echo "IPV6ADDR_SECONDARIES=$nicip/$netmask" >> $dir/ifcfg-$nic
fi
if [ -n "$gateway" ]; then
echo "IPV6_DEFAULTGW=$gateway" >> $dir/ifcfg-$nic
fi
else # ipv4 address
echo "DEVICE=$nic:$ipindex
NM_CONTROLLED=no
BOOTPROTO=none
ONBOOT=yes
IPADDR=$nicip" > $dir/ifcfg-$nic:$ipindex
if [[ "$OSVER" == rhels6* ]]
then
#get prefix from netmask, this is for IPv4 only
prefix=24
prefix=$(convert_netmask_to_cidr $netmask)
echo "PREFIX=$prefix" >> $dir/ifcfg-$nic:$ipindex
else
echo "NETMASK=$netmask" >> $dir/ifcfg-$nic:$ipindex
fi
if [ -n "$gateway" ]; then
echo "GATEWAY=$gateway" >> $dir/ifcfg-$nic:$ipindex
fi
#add extra params
i=0
while [ $i -lt ${#array_extra_param_names[@]} ]
do
name="${array_extra_param_names[$i]}"
value="${array_extra_param_values[$i]}"
echo " $i: name=$name value=$value"
echo "${name}=${value}" >> $dir/ifcfg-$nic:$ipindex
i=$((i+1))
done
# need to run ifup eth1:1 for RedHat
goodnics="$goodnics,$nic:$ipindex"
fi
fi # end not the first ip address
elif [ $OS_name == 'ubuntu' ]
then
# First ip address
if [ $ipindex -eq 1 ]; then
# ipv6
if echo $nicip | grep : 2>&1 1>/dev/null
then
echo "auto $nic
iface $nic inet6 static
address $nicip
netmask $netmask" >> /etc/network/interfaces
if [ -n "$gateway" ]; then
echo "gateway $gateway" >> /etc/network/interfaces
fi
# ipv4
else
# Write the info to the ifcfg file
echo "auto $nic
iface $nic inet static
address $nicip
netmask $netmask" >> /etc/network/interfaces
#if [ -n "$gateway" ]; then
# echo "gateway $gateway" >> /etc/network/interfaces
#fi
fi
else # Not the first ip address
# ipv6
if echo $nicip | grep : 2>&1 1>/dev/null
then
echo "auto $nic
iface $nic inet6 static
address $nicip
netmask $netmask" >> /etc/network/interfaces
if [ -n "$gateway" ]; then
echo "gateway $gateway" >> /etc/network/interfaces
fi
else # ipv4
echo "auto $nic:$ipindex
iface $nic:$ipindex inet static
address $nicip
netmask $netmask" >> /etc/network/interfaces
#if [ -n "$gateway" ]; then
# echo "gateway $gateway" >> /etc/network/interfaces
#fi
fi
#add extra params
i=0
while [ $i -lt ${#array_extra_param_names[@]} ]
do
name="${array_extra_param_names[$i]}"
value="${array_extra_param_values[$i]}"
echo " $i: name=$name value=$value"
echo "${name} ${value}" >> /etc/network/interfaces
i=$((i+1))
done
fi
else
echo "Unsupported operating system"
logger -p local4.err -t xcat "Unsupported operating system"
fi
elif [ $PLTFRM == "AIX" ]; then
if ( pmatch $nic "ml*" ); then #for ml* interface
num=${nic##ml}
mlt="mlt$num"
#Check whether the mlt is available
lsdev -C | grep $mlt | grep Available 2>&1 >/dev/null
if [ $? -ne 0 ]
then
echo "$mltnum is not available."
logger -p local4.info -t xcat "$mltnum is not available."
continue
fi
#Check whether the ml0 is available
lsdev -C | grep $nic 2>&1 >/dev/null
if [ $? -ne 0 ]
then
cfgmgr 2>&1 >/dev/null
fi
chdev -l $nic -a state=detach 2>&1
chdev -l $nic -a netaddr=$nicip -a netmask=$netmask -a state=up 2>&1
else #assume it is ib*
#lsdev -C | grep icm | grep Available
#if [ $? -ne 0 ]
#then
# mkdev -c management -s infiniband -t icm
# if [ $? -ne 0 ]
# then
# mkdev -l icm
# if [ $? -ne 0 ]
# then
# exit $?
# fi
# fi
# fi
#Configure the IB interfaces. Customize the port num.
num=${nic##ib} #this assumes that all the nics starts with 'ib'
if [ "$portnum" == "1" ]; then
iba_num=$num
ib_adapter="iba$iba_num"
port=1
else
iba_num=`expr $num / 2`
ib_adapter="iba$iba_num"
if [ $(($num % 2)) == 0 ]
then
port=1
else
port=2
fi
fi
if [ $NODE ]; then
shortname=$NODE
else
shortname=`hostname -s`
fi
chdev -l $ib_adapter -a hostname=$shortname
mkiba -a $nicip -i $nic -A $ib_adapter -p $port -P -1 -S up -m $netmask
fi # end assume it is ib*
fi # end if AIX
done # end for nicip
done # end for nic
# echo "goodnics=$goodnics"
# Bringup all the ib interfaces
if [ $PLTFRM == "Linux" ]
then
#/sbin/service $ib_driver restart
restartservice $ib_driver
for nic in `echo "$goodnics" | tr "," "\n"|sort -u`
do
sleep 5
if [[ "$OSVER" == rhels6* ]]
then
ip link set dev $nic up
else
if [[ "$OSVER" == ubuntu14* ]]
then
interfaces="/etc/network/interfaces"
for tmp in `cat $interfaces |grep "auto ib" |sort -u|awk '{print $2}'`
do
ifdown $tmp > /dev/null 2>&1
sleep 2
ifup $tmp > /dev/null 2>&1
done
else
ifup $nic > /dev/null 2>&1
fi
fi
done
fi