while sleep 60 do (

if [ `grep -c 'sport=27005 ' /proc/net/ip_conntrack` -ge 1 -a `nvram get qos_ibw` -eq 9999 ]

then 

     nvram set qos_ibw=960

     service qos restart

fi

if [ `grep -c 'dport=27005 ' /proc/net/ip_conntrack` -eq 0 -a `nvram get qos_ibw` -eq 960 ]

then 

   nvram set qos_ibw=9999

   service qos restart

fi

)done