F5 outside flow Bandwidth control

The following equipment is used in test A10 script link switch code, I would like to ask that we do OUTSIDE traffic switching F5 how to write such a script , LC OR GTM only do INBOUND traffic

 

But I want to achieve OUTSIDE traffic link switching

 

 
check-gzct2      30       3        30       1            EXTERNAL   1        
External script checkvlan used by monitor check-gzct2
!!! Content Begin !!!
!/bin/sh      
 axAPI()      
{      
groupname=$1                 
linkIP=$2                 
action=$3                 
toweight=$4                 
priority=$5 
mysession=`curl -s -d "method=authenticate&username=axapi&password=a10axapi" http://127.0.0.1/services/rest/V1/ | awk -F \> '{print $4}' | awk -F \< '{print $1} '` 
case $action in      
 "1") a=`curl -s -d "session_id=$mysession&method=slb.server.update&address=$linkIP&weight=$toweight" http://127.0.0.1/services/rest/V1/`;;                 
 "2") a=`curl -s -d "session_id=$mysession&method=slb.service-group.update&name=$1&member-list=member1&member1=address%03$linkIP%02port%030%02priority%03$priority" http://127.0.0.1/services/rest/V1/`;;   
esac      
c=`curl -s "http://127.0.0.1/services/rest/V1/?method=session.close&session_id=$mysession"`      
}    
toasc() { 
i=1 
server=$1 
printf ${server} 
printf "." 
while (( i <= ${server} )) 
do 
   char=$(expr substr "$server" $i 1) 
   printf "%d" \'"$char" 
   (( i += 1 )) 
  if [ $i -le ${server} ]; then 
   printf "." 
  fi 
done 
} 
total=`expr $3 / 10 `
threshold=`expr $4 / 10 `
count=1
if [ -f $2_count ];  then      
count=`cat $2_count | awk ' { print \$1 } '`
fi     
                                         
if test $count -le 1 ; then 
oid=".1.3.6.1.4.1.22610.2.4.3.2.2.2.1.6."    
server="$(toasc "$2")"           
portusage=`snmpget -v 2c -c a10snmp 127.0.0.1 $oid$server | awk ' { print $4} '`     
t=`date`    
echo "$t: Jian Test $2: usage is $portusage "  
oldpu=$portusage
 if [ -f $2_pu ];  then  
 oldpu=`cat $2_pu | awk ' { print \$1 } '`
 fi  
echo $portusage >$2_pu
realpu=`expr $portusage - $oldpu `
used=`expr $realpu \* 8 / 10000000 / 120 `
weight=`expr $total - $used`
echo "$t: Jian Test $2: real weight is $weight"
 if test $weight -lt 1 ; then         
 weight=1         
 fi     
 if test $used -ge $threshold; then 
 weight=1
 fi 
echo "$t: Jian Test $2: weight is $weight"
axAPI link $2 1 $weight   
fi    
  
if test $count -ge 4 ; then 
count=0
fi                             
countupdate=`expr $count + 1 `
echo $countupdate > $2_count
Test_IP=("222.68.185.229" "211.95.72.229" "58.248.42.181" "211.94.128.24" "219.141.157.30" "220.181.6.175" "61.135.169.105" "58.242.1.187" "202.102.194.50" "202.103.124.34" )     
i=0     
while  [ $i -le 9 ]     
do     
route del -host ${Test_IP[$i]} gw $2      
route add -host ${Test_IP[$i]} gw $2      
ret=$?     
if test $ret -gt  0; then     
exit 1     
fi     
curl --max-time 1 --interface $1 ${Test_IP[$i]} > /dev/null 2>&1     
ret=$?     
route del -host ${Test_IP[$i]} gw $2     
t=`date`              
if test $ret == 0 ; then                   
  echo "$t Testing $2-$i: ${Test_IP[$i]}  OK"              
  echo "$t $2 Passed"    
exit 0     
else     
echo "$t Testing $2-$i: ${Test_IP[$i]}  Fail"    
fi            
i=`expr $i + 1`     
done     
echo "$t $2 Failed"
exit 1
!!! Content End !!!