check_serverip()
{
    ret=0
    serverip=${LSERVER_FUN_IP}
    seripv6=${SERVER_IPV6}
    status=$(cat /sys/class/net/$1/operstate)

    if [ "$status" = "down" ];then
        tst_resm TINFO "interface $1 status is down"
        ret=1
        return $ret
    fi

    ipaddr=$(ifconfig | grep -C 2 $1 | grep 'inet addr' | awk '{print $2}' | cut -d: -f2 | awk -F "." '{print $1}')
    if [ "$ipaddr" = "10" ];then
        serverip=${SERVER_FUN_IP}
    elif [ "$ipaddr" = "192" ];then
        serverip=${LSERVER_FUN_IP}
    fi

    if [ -z "$serverip" -o -z "$seripv6" ] ;then
        ret=1
    fi

    return $ret
}