NetScout产品介绍v3
TD-LTE(V3)网管网优常用工具及操作指导书R1.1
修正版TDD产品支持部TD-LTE 网管网优工具常用操作指导书R1.1法律声明若接收中兴通讯股份有限公司（以下称为“中兴通讯”）的此份文档，即表示您已同意以下条款。
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中兴通讯股份有限公司地址: 中国深圳市科技南路55号邮编518057网站: 邮箱: 800@版本更新说明作者适用对象：TDD产品网络优化工程师使用建议：在阅读本文档之前，建议先了解下面的知识和技能：后继资料：在阅读完本文档之后，你可能需要下面资料：关于这篇文档摘要目录1概述 (1)1.1内容介绍 (1)1.2工具及配置 (1)1.3操作流程 (1)1.3.1数据配置流程 (1)1.3.2网优工具使用 (2)2网优常用操作 (3)2.1客户端登入&登出 (3)2.2登陆设备管理界面 (5)2.3申请互斥操作权限 (7)2.4数据备份 (9)2.5数据恢复 (10)2.6参数导出 (12)2.7数据同步 (15)2.8小区状态查询 (17)2.9模拟加载 (18)2.10查询当前ENB版本 (21)2.11手工配置SCTP偶联 (22)2.12参数对比 (24)2.13规划数据导出 (25)2.14规划数据导入 (27)2.15参数修改 (28)2.16批量参数修改 (30)2.17邻区关系配置 (32)2.17.1站内邻区配置 (32)2.17.2站间邻区配置 (35)2.18KPI指标创建、查询、修改 (38)2.19全网站点告警查询及导出 (38)2.19.1全网站点当前告警查询及导出 (38)2.19.2全网站点历史告警查询及导出 (42)2.20单站告警查询及导出 (45)2.20.1单站当前告警查询及导出 (45)2.20.2单站历史告警查询及导出 (49)3网优常用工具操作 (52)3.1实时数据统计（UDT） (52)3.1.1进入实时数据统计界面 (52)3.1.2用户权限切换 (53)3.1.3创建实时数据统计跟踪任务 (54)3.1.4实时数据跟踪视图（MTS） (58)3.1.5业务观察（SOP） (60)3.1.6测量报告（MR） (61)3.1.7频谱扫描（SPECTRUM SCANNING） (62)3.2呼叫数据跟踪（CDT） (64)3.2.1异常跟踪（CT） (67)3.2.2测量报告（MR） (68)附录A网管UDT工具通用界面介绍 (69)附录B工具任务同步设置限制修改 (74)图目录图1-1 数据配置流程 (2)图1-2 网优工具使用操作流程 (3)表目录未找到图形项目表。
NetScout产品介绍
nGenius探针以及Flow采集器
LAN局域网探针 – 10GE探针 – GE千兆以太网(SX/LX/TX), 10/100 Ethernet TX(FDX/HDX), Fast EtherChannel, GigaChannel
WAN广域网探针 – T1/E1, HSSI (T3/E3), DS3/E3 Frame
网络性能管理的目标– 减少 MTTR 提高客户满意度
服务受到影响
找到问题根源 改正
用户呼叫支持
客户受到影响
基于数据的异常检测
改正 故障诊断
性能问题 起点
预防 时机
客户 没有 受到影响!
被动 分析
Netis Technologies Co.,Ltd
恢复
7
NetScout 价值:
快速诊断性能问题
部署nGenius 解决方案前
NetFlow MIBII, etc.
nGenius Probes
监测多种数据源
nGenius Probe NetFlow/sFlow
MIB2
所有数据源的资料，显示在同一 张图，方便直观地作比较。
Netis Technologies Co.,Ltd
实时视图
13
Netscout 性能管理体系结构
nGenius 探针
源自: NetScout Systems 调查, 3月 2007 138 参与者
NetScout技术基础
NetScout 技术特征
数据源
物理、链 路层
网络层
应用层
S支NM持P/CRMisOcNo设备网段负：误荷利码用状、率态、帧 信息；
支持交换机端口种RM类 O、N帧信息；缺
缺
Symetrix SymNet产品说明书
SymetrixSymNet | Network Audio SolutionsFull Line Product CatalogSymetrix 6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 SymNet | Network Audio SolutionsContentsSymetrixOverviewSymNet| Network Audio Solutions6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728Symetrix 6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 SymNet | Network Audio SolutionsControl Screens are simple user interfaces for the technicians and the end-user that run on a connected PC. These screens are assembled by the system designer from DSP parameters in a SymNet design. Password protection allows different users separate interfaces for controlling the system while preventing access to the underlying design.Out #1 (13%)In #1 Ref In1 Input, StandardEcho CancellerSymetrix SymNet | Network Audio Solutions6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 Zone 2 – ARC-SWKZone 1 – ARC-SWK Room #1 BGM #1Room #2BGM #2In #1 In #2BGM #1BGM #2BGM #3BGM #42 Room CombinerBGM CombinerZone 1 – AudioZone 2 – Audio4 BGMAudio SourcesIn #1 In #2In #1 In #2Out #1 (1%)Out #1 (1%)(1%)Zone 1Zone 2Symetrix 6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 SymNet | Network Audio SolutionsSymNet HardwareSymetrix SymNet | Network Audio Solutions6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 SymNet HardwareThis illustration of a typical SymNet Network Audio Solution shows how a local Sym-Link Ring of hardware (above) can be connected to another SymLink Ring (right middle) or multiple distributed Express devices (right) by CobraNet in order to make a large system.SymNet 8x8 DSPDigI/O 12x12 DSPBreakOut 12BreakIn 12CobraLinkExpressSymLinkCobraNet+EthernetNetwork Hardware(Switch)CobraNet EthernetSymetrix 6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 SymNet | Network Audio Solutions8x8 DSPIntroductionThe SymNet 8x8 DSP is the original model in the SymLink series of network audio processors. It is the hardware platform used to execute system designs created in SymNet Designer software. Up to sixteen 8x8 DSPs, or other SymLink hardware models, can be networked together in a ring topology via the low latency, 64-channel SymLink Bus to provide high channel-count The power and flexibility offered by the SymLink Bus cannot be overlooked. The sharing of digital audio and control at an average latency of 80 microseconds between hardware units opens vistas in applications and system capabilities not offered by other systems. 64 configurable buschannels of digital audio can be used and reused across multiple units in a DSP HardwareSymetrixSymNet| Network Audio Solutions6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 8x8 DSPDSP Hardware Rear PanelSymetrix 6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 SymNet | Network Audio SolutionsDigIO 12x12 DSPIntroductionThe DigIO 12x12 DSP is the essentially the digital I/O version of the 8x8 DSP model in the SymLink series of network audio processors. It is the hardware platform used to execute system designs created in SymNet Designer software. Multiple units can be networked together via the low latency, 64-channel SymLink Bus to provide high channel-count processing systems for and system capabilities not offered by other systems. 64 configurable bus channels of digital audio can be used and reused across multiple units in a ring to far exceed 64 channels of system I/O.External control options are plentiful. The DigIO 12x12 DSP supports RS-232 control systems, the complete line of ARC wall panels, and other RS-485 DSP HardwareSymetrix DigIO 12x12 DSP DSP HardwareRear PanelSymetrixExpress IntroductionSymNet Express is a family of 19” rack-mountable digital signal processors (DSP) that are setup and controlled by SymNet Designer software. They are ideal for audio applications such as churches, conference rooms, courtrooms, night clubs and many others. SymNet ARC Wall panels easily integrate with Express hardware and provide simple user control of the Units are initially configured through the RS-232 port on the rear panel. This same port is used to connect to external control systems from AMX, Crestron, and others. Once the system is initially configured, Express units can be addressed and controlled over Ethernet.DSP HardwareSymetrix Express DSP HardwareRear PanelSymetrix CobraLink IntroductionThe CobraLink unit functions as a translator between SymLink and CobraNet protocols. It has no onboard DSP. It allows the sharing of digital audio between SymLink rings, Express units, and third-party CobraNet-compatible hardware including amplifiers and powered speaker enclosures. A maximum of thirty one CobraNet addresses, with associated SymLink rings, can be CobraNet-to-SymLink routing is handled entirely from the SymNet Designer software.This software-controlled-hardware scheme allows system designers an enormous amount of flexibility by supporting broadcast or multicast bussingExpansion BoxesSymetrix CobraLink Expansion BoxesRear PanelSymetrix BreakIn12 IntroductionThe BreakIn12 is an analog audio input channel expander for SymLink hardware. It has no onboard DSP, and cannot function in a stand-alone mode. Its sole purpose is to increase system analog input channel count while reducing system cost-per-channel. Each analog input is line/mic-selectable with five coarse gain levels and available 48v phantom power While DSP requirements vary among system designs, two BreakIn12 units can generally be supported by one 8x8 DSP.All I/O parameters are accessible via outboard control from third-party control systems, ARC wall panels, or other control devices properly connected to aExpansion BoxesSymetrix BreakIn12 Expansion BoxesRear PanelSymetrix BreakOut12 IntroductionThe BreakOut12 is an analog audio output channel expander for SymLink hardware. It has no onboard DSP, and cannot function in a stand-alone mode. Its sole purpose is to increase system analog output channel count while reducing system cost-per-channel. Each analog output is balanced line level with +4 dBu and -10 dBV reference levels per channel. Onboard While DSP requirements vary among system designs, two BreakOut12 units can generally be supported by one 8x8 DSP.All I/O parameters are accessible via outboard control from third-party control systems, ARC wall panels, or other control devices properly connected to aExpansion BoxesSymetrix BreakOut12 Expansion BoxesRear PanelSymetrix HomerLink Breakout IntroductionHomerLink Breakout boxes provide cost-effective digital audio channel expansion for DigIO 12x12 DSP units. They can also be connected to each other via “crossover” CAT5 cable and function as stand-alone, 8x8 digital audio snake interfaces.HomerLink is a proprietary interconnect protocol that transports 4x4 channels of AES/EBU audio, in pairs, over a single CAT5 cable with a latency of one 48 kHz sample. It has a recommended maximum cable length of 100 meters. All of the HomerLink Breakout boxes act as format converters between standard digital audio connections and HomerLink.Expansion BoxesSymetrixSymNet| Network Audio Solutions6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 HomerLink BreakoutRear PanelExpansion BoxesSymetrix 6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 SymNet | Network Audio SolutionsControl I/OIntroductionThe Control IO is an RS-485-based peripheral for SymNet systems. It is compatible with SymLink and Express hardware. Control IO also has a stand-alone operational mode known as ASCII mode which is compatible with third-party hardware and other non-SymNet devices.closed relays, and four RJ-45 connectors to support four SymNet ARC wall panels, each with a discrete channel of ARC audio. A DB-15 connectorfunctions as a MIDI interface. This allows communication from generic MIDI devices, or the CM Labs Motor Mix control surface that can be configured to function as a mixing console-type interface for SymNet.Expansion BoxesSymetrixSymNet| Network Audio Solutions6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 Control I/ORear PanelExpansion BoxesSymetrix 6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 SymNet | Network Audio SolutionsARCsIntroductionArchitect and Engineer SpecificationsWall PanelsSymetrix SymNet | Network Audio Solutions6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 Wall PanelsARCsModular ARCs... continuedARC-XLR is a dual-gang controller with a line-level input on an XLR connector with push-to-talk button mounted alongside an SW4 button set.Symetrix 6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 SymNet | Network Audio SolutionsARC-PSAccessoriesIntroductionThe ARC-PS is a nineteen inch rack-mountable power supply capable of supplying power and control over CAT5 cable to a maximum of ten ARC wall panels. Panels can be connected in a “star” configuration, “daisy-chain,” or a combination of the two. RS-485 from a SymNet DSPis connected to the ARC-PS euroblock connector. The unit includes eight RJ-45 connectors for CAT5 cable, and corresponding euroblock connectors for eight discrete channels of ARC audio.SymetrixSymNet| Network Audio Solutions6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 ARC-PSAccessories Rear PanelSymetrix6408 216th St. SW | Mountlake Terrace, WA 98043 | USA | Tel: +1 (425) 778.7728 | Fax +1 (425) 778.7727 | Web: © 2006 Symetrix, Inc. All rights reserved. Printed in the United States of America. Symetrix Part Number 53SNTB-0A01. The information in this document is subject to change without notice. Symetrix, Inc. shall not be liable for technical or editorial errors or omissions contained herein; nor is it liable for incidental or consequential damages resulting。
Microsoft .NET Core开发平台指南说明书
About the T utorial.NET Core is the latest general purpose development platform maintained by Microsoft. It works across different platforms and has been redesigned in a way that makes .NET fast, flexible and modern..NET Core happens to be one of the major contributions by Microsoft. Developers can now build Android, iOS, Linux, Mac, and Windows applications with .NET, all in Open Source.AudienceThis tutorial is designed for software programmers who want to learn the basics of .NET Core.PrerequisitesYou should have a basic understanding of Computer Programming terminologies. A basic understanding of any of the programming languages is a plus.Disclaimer & CopyrightCopyright 2018 by Tutorials Point (I) Pvt. Ltd.All the content and graphics published in this e-book are the property of Tutorials Point (I) Pvt. Ltd. The user of this e-book is prohibited to reuse, retain, copy, distribute or republish any contents or a part of contents of this e-book in any manner without written consent of the publisher.We strive to update the contents of our website and tutorials as timely and as precisely as possible, however, the contents may contain inaccuracies or errors. Tutorials Point (I) Pvt. Ltd. provides no guarantee regarding the accuracy, timeliness or completeness of our website or its contents including this tutorial. If you discover any errors on our website or inthistutorial,******************************************.T able of ContentsAbout the Tutorial (i)Audience (i)Prerequisites (i)Disclaimer & Copyright (i)Table of Contents (ii) Core – Overview (1)Characteristics of .NET Core (1)The .NET Core Platform (2) Core – Prerequisites (3) Core – Environment Setup (4)Visual Studio 2015 (4) Core – Getting Started (10) Core – Numerics (13)Integral types (13)Floating-point types (13) Core – Garbage Collection (16)Advantages of Garbage Collection (16)Conditions for Garbage Collection (16)Generations (16) Core – Code Execution (18).NET Core Code Execution Process (19) Core – Modularity (21) Core – Project Files (24) Core – Package References (28) Core – Create UWP App with .NET Core (34) Core – MSBuild (42) Core – Metapackage (47) Core – Windows Runtime and Extension SDKs (53) Core – Create .NET Standard Library (58) Core – Portable Class Library (63)What is PCL (64) Core – Adding References to Library (72) Core – Sharing .NET Core Libraries (77) Core – Creating a Xamarin.Forms Project (87) Core – PCL Troubleshooting (95) Core – Create a Testing Project (105) Core – Running Tests in Visual Studio (109) Core – Testing Library (116) Core – Managed Extensibility Framework (124) Core – .NET Core SDK (134) Core – MSBuild and project.json (140)MSBuild vs project.json (141) Core – Restoring and Building with MSBuild (143) Core – Migrations (147).NET Core is the latest general purpose development platform maintained by Microsoft. It works across different platforms and has been redesigned in a way that makes .NET fast, flexible and modern. This happens to be one of the major contributions by Microsoft. Developers can now build Android, iOS, Linux, Mac, and Windows applications with .NET, all in Open Source.In this tutorial, we will cover .NET Core and a few new innovations including the .NET Framework updates, .NET Standard, and Universal Windows Platform updates, etc.Characteristics of .NET CoreThe following are the major characteristics of .NET Core:Open source∙.NET Core is an open source implementation, using MIT and Apache 2 licenses.∙.NET Core is a .NET Foundation project and is available on GitHub.∙As an open source project, it promotes a more transparent development process and promotes an active and engaged community.Cross-platform∙Application implemented in .NET Core can be run and its code can be reused regardless of your platform target.∙It currently supports three main operating systems (OS):o Windowso Linuxo MacOS∙The supported Operating Systems (OS), CPUs and application scenarios will grow over time, provided by Microsoft, other companies, and individuals.Flexible deployment∙There can be two types of deployments for .NET Core applications:o Framework-dependent deploymento Self-contained deployment4.NET Core5∙ With framework-dependent deployment, your app depends on a system-wide version of .NET Core on which your app and third-party dependencies are installed.∙With self-contained deployment, the .NET Core version used to build your application is also deployed along with your app and third-party dependencies and can run side-by-side with other versions.Command-line tools∙All product scenarios can be exercised at the command-line.Compatible∙.NET Core is compatible with .NET Framework, Xamarin and Mono, via the .NET Standard Library.Modular∙ .NET Core is released through NuGet in smaller assembly packages.∙ .NET Framework is one large assembly that contains most of the core functionalities. ∙ .NET Core is made available as smaller feature-centric packages.∙ This modular approach enables the developers to optimize their app by including just those NuGet packages which they need in their app.∙The benefits of a smaller app surface area include tighter security, reduced servicing, improved performance, and decreased costs in a pay-for-what-you-use model.The .NET Core Platform.NET Core Platform contains the following main parts:∙ .NET Runtime : It provides a type system, assembly loading, a garbage collector, native interop and other basic services.∙ Fundamental Libraries : A set of framework libraries, which provide primitive data types, app composition types and fundamental utilities.∙ SDK & Compiler : A set of SDK tools and language compilers that enable the base developer experience, available in the .NET Core SDK.∙‘dotnet’ app host : it is used to launch .NET Core apps. It selects the runtime and hosts the runtime, provides an assembly loading policy and launches the app. The same host is also used to launch SDK tools in much the same way..NET Core6In this chapter, we will discuss the various dependencies that you need to deploy and run. These include the .NET Core applications on Windows machines that are developed using Visual Studio.Supported Windows Versions.NET Core is supported on the following versions of Windows:∙ Windows 7 SP1 ∙ Windows 8.1 ∙ Windows 10∙ Windows Server 2008 R2 SP1 (Full Server or Server Core) ∙ Windows Server 2012 SP1 (Full Server or Server Core) ∙ Windows Server 2012 R2 SP1 (Full Server or Server Core) ∙Windows Server 2016 (Full Server, Server Core or Nano Server)Dependencies∙If you are running your .NET Core application on Windows versions earlier than Windows 10 and Windows Server 2016, then it will also require the Visual C++ Redistributable.∙ This dependency is automatically installed for you if you use the .NET Core installer. ∙You need to manually install the Visual C++ Redistributable for Visual Studio 2015 if you are installing .NET Core via the installer script or deploying a self-contained .NET Core application.∙For Windows 7 and Windows Server 2008 machines, you need to make sure that your Windows installation is up-to-date and also includes hotfix KB2533623 installed through Windows Update.Prerequisites with Visual Studio∙ To develop .NET Core applications using the .NET Core SDK, you can use any editor of your choice.∙However, if you want to develop .NET Core applications on Windows using Visual Studio, you can use the following two versions:o Visual Studio 2015 o Visual Studio 2017 RC.NET Core7Projects created with Visual Studio 2015 will be project.json-based by default while projects created with Visual Studio 2017 RC will always be MSBuild-based.In this chapter, we will discuss the Environment Setup of .NET Core. It is a significant redesign of the .NET Framework. To use .NET Core in your application, there are two versions you can use:∙Visual Studio 2015∙Visual Studio 2017 RCVisual Studio 2015To use Visual Studio 2015, you must have installed the following;∙Microsoft Visual Studio 2015 Update 3∙Microsoft .NET Core 1.0.1 - VS 2015 Tooling Preview 2Microsoft provides a free version of visual studio which also contains the SQL Server and can be downloaded from https:///en-us/downloads/download-visual-studio-vs.aspx and Microsoft .NET Core 1.0.1 - VS 2015 Tooling Preview 2 can be downloaded from https:///fwlink/?LinkId=817245.You can also follow the installation guidelines on the following Url https:///net/core/#windowsvs2015.Installation of Visual Studio 2015Follow these steps to install Visual Studio 2015:Step 1: Once the downloading completes, then run the installer. The following dialog box will be displayed.89Step 2: Click Install to start the installation process.Step 3: Once the installation completes, you will see the following dialog box.Step 4: Close this dialog and restart your computer if required.10Step 5: Open Visual Studio from the Start Menu; you will receive the following dialog box. It may take a few minutes to load and finally be used for the first time.Step 6: Once it is loaded, you will see the following screen.11Step 7: Once Visual Studio installation is finished, then close Visual Studio and launch Microsoft .NET Core - VS 2015 Tooling Preview 2.Step 8: Check the checkbox and click Install.12Step 9: Once the installation completes, you will see the following dialog box.You are now ready to start your application using .NET Core.Visual Studio 2017In this tutorial, we will be using Visual Studio 2015, but if you want to use Visual Studio 2017, an experimental release of .NET Core tools for Visual Studio is included in Visual Studio 2017 RC and you can see the installation guidelines here https:///net/core/#windowsvs2017.13Visual Studio 2015 provides a full-featured development environment for developing .NET Core applications. In this chapter, we will be creating a new project inside Visual Studio. Once you have installed the Visual Studio 2015 tooling, you can start building a new .NET Core Application.In the New Project dialog box, in the Templates list, expand the Visual C# node and select .NET Core and you should see the following three new project templates: ∙Class Library (.NET Core)∙Console Application (.NET Core)∙ Core Web Application (.NET Core)In the middle pane on the New Project dialog box, select Console Application (.NET Core) and name it "FirstApp", then click OK.14Visual Studio will open the newly created project, and you will see in the Solution Explorer window all of the files that are in this project.To test that .NET core console application is working, let us add the following line.Now, run the application. You should see the following output.1617.NET Core supports the standard numeric integral and floating-point primitives. It also supports the following types:∙ System.Numerics.BigInteger which is an integral type with no upper or lower bound. ∙ plex is a type that represents complex numbers.∙A set of Single Instruction Multiple Data (SIMD)-enabled vector types in the System.Numerics namespace.Integral types.NET Core supports both signed and unsigned integers of different ranges from one byte to eight bytes in length. All integers are value types.The following table represents the integral types and their size;Each integral type supports a standard set of arithmetic, comparison, equality, explicit conversion, and implicit conversion operators.You can also work with the individual bits in an integer value by using the System.BitConverter class.Floating-point types.NET Core includes three primitive floating point types, which are shown in the following table.∙Each floating-point type supports a standard set of arithmetic, comparison, equality, explicit conversion, and implicit conversion operators.∙You can also work with the individual bits in Double and Single values by using the BitConverter class.∙The Decimal structure has its own methods, Decimal.GetBits and Decimal.Decimal(Int32()), for working with a decimal value's individual bits, as well as its own set of methods for performing some additional mathematical operations.BigInteger∙System.Numerics.BigInteger is an immutable type that represents an arbitrarily large integer whose value in theory has no upper or lower bounds.∙The methods of the BigInteger type is closely parallel to those of the other integral types.Complex∙The plex type represents a complex number, i.e., a number witha real number part and an imaginary number part.∙It supports a standard set of arithmetic, comparison, equality, explicit conversion, and implicit conversion operators, as well as mathematical, algebraic, and trigonometric methods.SIMD∙The Numerics namespace includes a set of SIMD-enabled vector types for .NET Core.∙SIMD allows some operations to be parallelized at the hardware level, which results in huge performance improvements in mathematical, scientific, and graphics apps that perform computations over vectors.∙The SIMD-enabled vector types in .NET Core include the following:o System.Numerics.Vector2, System.Numerics.Vector3, and System.Numerics.Vector4 types, which are 2, 3, and 4-dimensional vectors oftype Single.o The Vector<T> structure that allows you to create a vector of any primitive numeric type. The primitive numeric types include all numeric types in theSystem namespace except for Decimal.18o Two matrix types, System.Numerics.Matrix3x2, which represents a 3x2 matrix;and System.Numerics.Matrix4x4, which represents a 4x4 matrix.o The System.Numerics.Plane type, which represents a three-dimensional plane, and the System.Numerics.Quaternion type, which represents a vector that is used to encode three-dimensional physical rotations.19.NET Core20 In this chapter, we will cover the concept of Garbage collection which is one of most important features of the .NET managed code platform. The garbage collector (GC) manages the allocation and release of memory. The garbage collector serves as an automatic memory manager.∙You do not need to know how to allocate and release memory or manage the lifetime of the objects that use that memory. ∙An allocation is made any time you declare an object with a “new” keyword or a value type is boxed. Allocations are typically very fast. ∙When there isn’t enough memory to allocate an object, the GC must collect and dispose of garbage memory to make memory available for new allocations. ∙ This process is known as garbage collection .Advantages of Garbage CollectionGarbage Collection provides the following benefits:∙You don’t need to free memory manually while developing your application. ∙It also allocates objects on the managed heap efficiently. ∙When objects are no longer used then it will reclaim those objects by clearing their memory, and keeps the memory available for future allocations. ∙Managed objects automatically get clean content to start with, so their constructors do not have to initialize every data field. ∙ It also provides memory safety by making sure that an object cannot use the content of another object.Conditions for Garbage CollectionGarbage collection occurs when one of the following conditions is true.∙The system has low physical memory. ∙The memory that is used by allocated objects on the managed heap surpasses an acceptable threshold. This threshold is continuously adjusted as the process runs. ∙ The GC.Collect method is called and in almost all cases, you do not have to call thismethod, because the garbage collector runs continuously. This method is primarily used for unique situations and testing..NET Core21 GenerationsThe .NET Garbage Collector has 3 generations and each generation has its own heap that that is used for the storage of allocated objects. There is a basic principle that most objects are either short-lived or long-lived.Generation First (0)∙In Generation 0, objects are first allocated. ∙In this generation, objects often don’t live past the first generation, since they are no longer in use (out of scope) by the time the next garbage collection occurs. ∙ Generation 0 is quick to collect because its associated heap is small.Generation Second (1)∙In Generation 1, objects have a second chance space. ∙Objects that are short-lived but survive the generation 0 collection (often based on coincidental timing) go to generation 1. ∙Generation 1 collections are also quick because its associated heap is also small. ∙ The first two heaps remain small because objects are either collected or promoted to the next generation heap.Generation Third (2)∙In Generation 2, all long objects are lived and its heap can grow to be very large. ∙The objects in this generation can survive a long time and there is no next generation heap to further promote objects. ∙The Garbage Collector has an additional heap for large objects known as Large Object Heap (LOH). ∙It is reserved for objects that are 85,000 bytes or greater. ∙Large objects are not allocated to the generational heaps but are allocated directly to the LOH. ∙Generation 2 and LOH collections can take noticeable time for programs that have run for a long time or operate over large amounts of data. ∙Large server programs are known to have heaps in the 10s of GBs. ∙The GC employs a variety of techniques to reduce the amount of time that it blocks program execution. ∙The primary approach is to do as much garbage collection work as possible on a background thread in a way that does not interfere with program execution. ∙The GC also exposes a few ways for developers to influence its behavior, which can be quite useful to improve performance.In this chapter, we will understand the execution process of .NET Core and compare it with the .NET Framework. The managed execution process includes the following steps.∙Choosing a compiler∙Compiling your code to MSIL∙Compiling MSIL to native code∙Running codeChoosing a Compiler∙It is a multi-language execution environment, the runtime supports a wide variety of data types and language features.∙To obtain the benefits provided by the common language runtime, you must use one or more language compilers that target the runtime.Compiling your code to MSIL∙Compiling translates your source code into Microsoft Intermediate Language (MSIL)and generates the required metadata.22∙Metadata describes the types in your code, including the definition of each type, the signatures of each type's members, the members that your code references, and other data that the runtime uses at execution time.∙The runtime locates and extracts the metadata from the file as well as from framework class libraries (FCL) as needed during execution.23End of ebook previewIf you liked what you saw…Buy it from our store @ https://24。
VIACONTROL V3版功能介绍
模块代号模块子功能基本信息基本控制基本日志基本策略系统报警策略日志应用程序统计应用程序控制网页浏览日志网页浏览统计网站浏览控制网络流量统计网络流量控制文档操作控制文档备份打印操作日志打印内容记录打印控制v02v03网络流量管控文档操作管控文档操作日志文档打印管控基本功能应用程序管控应用程序日志网页浏览管控v01V04V05V06实时屏幕快照屏幕历史记录远程维护远程控制远程文件传送入侵检测邮件日志邮件控制即时通讯日志即时通讯传输文档控制打印控制即时通讯控制屏幕监控远程维护设备管控设备控制V09V10V11V12网络控制网络通讯控制邮件管控V07V08安全漏洞检查软件分发移动存储授权移动存储加密授权软件安全区域外发对象加密权限设置离线权限设置加密文档操作日志解密申请V15文档透明加密移动存储控制资产管理资产管理系统补丁管理V13V14外发申请注:模块自由选择!但V01为必选模块,功能详细介绍统计客户端计算机基本信息，包括计算机名称，网络地址，操作系统，登录用户，当前状态等信息。
能够在控制端对网内任意客户端计算机进行锁定、关闭、重启、注销和发送通知信息等。
对客户端计算机的开机/关机，用户登入/登出，拨号等的事件记录。
设置客户端计算机的本地系统的操作权限，包括控制面板，计算机管理，系统管理，网络属性，插件管理等所有计算机属性。
并能够将客户端计算机的IP与MAC地址进行绑定。
设置当客户端计算机系统状态变化时报警，包括硬件异动，存储设备和通讯设备插拔，软件安装卸载，系统信息和网络配置变化等。
记录客户端计算机在执行策略时的操作日志，如禁止、报警、警告和锁定计算机等。
详细记录应用程序的启动、退出；记录窗口切换和标题变化，并可以按时间范围，计算机范围，应用程序名称，应用程序路径、窗口标题等多种查询条件进行查询。
多种方式统计各种应用程序的使用时间和使用百分比，并以列表和图表两种方式显示。
统计方式包括按应用程序类别、名称、明细统计以及按计算机分项统计。
netdisco的用法
netdisco的用法简介：在网络管理中，网络扫描工具是必不可少的工具之一。
它们可以帮助我们了解网络的结构，发现潜在的故障，以及优化网络的性能。
在这篇文章中，我们将介绍一款名为Netdisco的强大网络扫描工具，以及如何使用它来进行网络扫描和配置。
Netdisco是一款开源的网络发现和管理工具，它可以帮助你轻松地发现和配置网络设备。
它可以扫描网络中的所有设备，提供设备的详细信息，并帮助你创建设备列表和设备地图。
此外，Netdisco还具有一些高级功能，如SNMP管理、设备认证和安全审计。
一、用途1. 网络发现：Netdisco可以扫描网络中的所有设备，包括路由器、交换机、服务器、打印机和其他网络设备。
它可以帮助你发现网络中的新设备，以及跟踪已连接设备的变动。
2. 设备详细信息：Netdisco为每个设备提供详细的配置信息，包括设备名称、IP地址、子网掩码、默认网关、MAC地址等。
这些信息可以帮助你了解网络的结构和设备的配置。
3. 设备列表和地图：Netdisco可以将扫描到的设备信息整理成设备列表和设备地图。
设备列表可以帮助你快速查看所有设备的详细信息，而设备地图则可以直观地展示网络的结构。
4. SNMP管理：Netdisco支持SNMP协议，可以通过SNMP获取设备的配置信息和管理信息库（MIB）。
这使得你可以使用Netdisco来监控网络设备的性能和状态。
5. 设备认证：Netdisco支持设备认证功能，可以通过RADIUS或TACACS+协议对网络设备进行认证。
这可以增强网络的安全性，防止未授权的访问。
6. 安全审计：Netdisco具有安全审计功能，可以帮助你记录和监控网络设备的安全事件。
这可以帮助你及时发现潜在的安全问题，保护网络的稳定运行。
二、使用方法1. 安装和运行Netdisco：首先，你需要在您的服务器上安装Netdisco。
安装完成后，运行Netdisco程序。
2. 配置网络扫描：在Netdisco的主界面，点击“扫描”按钮，选择扫描范围和扫描方式（如IP范围、网段等），然后点击“开始扫描”。
nGenius T3E3 广域网探针
NetScout 美国总部 NetScout Systems, Inc. 310 Littleton Road Westford, MA 01886-4105
电话： (1) 978-614-4000 (1) 888-999-5946
传真： (1) 978-614-4004 网址：
• 为超过利用率、响应性和可用性阈值的的网 段提供故障排除信息
VoIP（多媒体）监控 • 为使用 RTP、RTCP、H.323、Avaya
Extended H.323、SIP、MGCP、和 Cisco SCCP 协议的视频和 Voice-over-IP 多媒体应 用提供专门化指标
nGenius® T3/E3 广域网探针
安全 – UL、CSA、TUV、CE、VC1、AUSTEL EMI/EMC – FCC15 等级 A、CISPIR 22 等级 A 谐波和闪烁
订货信息 型号码
说明
9441/HC 9442/HC 9451/HC 9452/HC 9461/HC 9462/HC
单端口 HSSI 广域网探针, 高容量 双端口 HSSI 广域网探针, 高容量 单端口 DS3 广域网探针, 高容量 双端口 DS3 广域网探针, 高容量 单端口 E3 广域网探针, 高容量 双端口 E3 广域网探针, 高容量
其他型号可供货。详情请与 NetScout 销售代表联系 HSSI 探针与 HSSI Tap 和缆线一起装运 DS3 和 E3 探针与 BNC Tap 和缆线一起装运 * 更多信息，请参阅 nGenius Flow Director 一览表
机箱尺寸 1U 1U 1U 1U 1U 1U
nFD* 机箱尺寸
HSSI：DB26/MD50、DS3/E3：DB15/BNC
Comware V3 说明书(网络协议)
目录第1章 IP地址配置..................................................................................................................1-11.1 IP地址介绍.........................................................................................................................1-11.2 IP地址的配置......................................................................................................................1-41.2.1 配置接口IP地址.......................................................................................................1-41.2.2 配置接口借用IP地址（IP Address Unnumbered）.................................................1-61.2.3 IP地址显示和调试....................................................................................................1-71.2.4 IP Address Unnumbered显示和调试.......................................................................1-81.2.5 IP地址配置举例.......................................................................................................1-81.2.6 典型IP Address Unnumbered配置举例...................................................................1-81.2.7 IP地址配置排错.......................................................................................................1-9第2章地址解析协议（ARP）的配置.....................................................................................2-12.1 静态/动态ARP配置.............................................................................................................2-12.1.1 动态ARP简介...........................................................................................................2-12.1.2 静态ARP简介...........................................................................................................2-12.1.3 静态ARP的配置.......................................................................................................2-12.1.4 动态ARP相关配置...................................................................................................2-22.1.5 ARP显示和调试.......................................................................................................2-32.2 代理ARP的配置..................................................................................................................2-32.2.1 代理ARP简介...........................................................................................................2-32.2.2 代理ARP的应用环境................................................................................................2-32.2.3 配置代理ARP...........................................................................................................2-42.3 免费ARP配置.....................................................................................................................2-52.3.1 免费ARP简介...........................................................................................................2-52.3.2 使能免费ARP报文学习功能.....................................................................................2-52.3.3 使能应答不同网段ARP请求报文的功能...................................................................2-62.3.4 使能周期性发送免费ARP报文功能并设置发送周期.................................................2-62.3.5 广域网接口IP地址与链路层协议地址的映射............................................................2-62.4 授权ARP配置.....................................................................................................................2-62.4.1 授权ARP简介...........................................................................................................2-62.4.2 基本概念..................................................................................................................2-72.4.3 ARP报文结构...........................................................................................................2-82.4.4 ARP表.....................................................................................................................2-92.4.5 授权ARP的工作机制..............................................................................................2-102.4.6 授权ARP配置.........................................................................................................2-102.4.7 授权ARP典型配置举例..........................................................................................2-13第3章域名解析（DNS）的配置............................................................................................3-13.1 域名解析简介.....................................................................................................................3-13.2 静态域名解析的配置..........................................................................................................3-13.2.1 配置静态域名解析....................................................................................................3-13.2.2 域名解析表显示和调试............................................................................................3-23.3 DNS Client配置..................................................................................................................3-23.3.1 DNS系统组成简介...................................................................................................3-23.3.2 DNS Client的配置....................................................................................................3-33.3.3 DNS Client的显示和调试.........................................................................................3-43.3.4 使用DNS进行域名解析典型配置举例......................................................................3-53.3.5 故障诊断与排除.......................................................................................................3-63.4 DNS Proxy配置..................................................................................................................3-73.4.1 DNS Proxy简介.......................................................................................................3-73.4.2 DNS Proxy的工作机制............................................................................................3-73.4.3 DNS Proxy的配置....................................................................................................3-73.4.4 DNS Proxy典型配置举例.........................................................................................3-8第4章 DDNS配置..................................................................................................................4-14.1 DDNS简介..........................................................................................................................4-14.2 配置DDNS..........................................................................................................................4-24.2.1 配置准备..................................................................................................................4-24.2.2 配置DDNS...............................................................................................................4-24.2.3 配置访问DDNS服务提供商的参数...........................................................................4-34.2.4 DDNS典型配置举例................................................................................................4-3第5章 URPF配置...................................................................................................................5-15.1 URPF简介..........................................................................................................................5-15.1.1 URPF基本介绍........................................................................................................5-15.1.2 URPF处理流程........................................................................................................5-15.2 URPF配置..........................................................................................................................5-25.3 URPF的显示与调试............................................................................................................5-2第6章 IP Accounting配置.......................................................................................................6-16.1 IP Accounting简介.............................................................................................................6-16.2 IP Accounting配置.............................................................................................................6-16.2.1 配置准备..................................................................................................................6-16.2.2 IP Accounting配置过程............................................................................................6-16.2.3 IP Accounting配置举例............................................................................................6-26.3 显示和维护.........................................................................................................................6-46.4 常见配置错误.....................................................................................................................6-4第7章 UDP HELPER配置......................................................................................................7-17.1 UDP HELPER简介.............................................................................................................7-17.2 UDP HELPER配置.............................................................................................................7-17.2.1 启动/关闭UDP中继转发功能....................................................................................7-17.2.2 配置需要中继转发的UDP端口.................................................................................7-27.2.3 配置广播报文中继转发的目的服务器.......................................................................7-27.3 UDP HELPER的显示和调试..............................................................................................7-3第8章 BOOTP客户端配置.....................................................................................................8-18.1 BOOTP客户端简介............................................................................................................8-18.2 BOOTP客户端配置............................................................................................................8-18.2.1 配置以太网接口通过BOOTP协议获取IP地址..........................................................8-18.3 BOOTP客户端的显示及调试..............................................................................................8-2第9章 DHCP配置..................................................................................................................9-19.1 DHCP简介..........................................................................................................................9-19.1.1 DHCP介绍...............................................................................................................9-19.1.2 DHCP的IP地址分配.................................................................................................9-19.2 DHCP服务器介绍...............................................................................................................9-29.2.1 DHCP服务器的应用环境.........................................................................................9-29.2.2 DHCP服务器的基本原理.........................................................................................9-29.2.3 DHCP Accounting简介............................................................................................9-49.2.4 DHCP 服务器支持option 82简介............................................................................9-69.2.5 DHCP 服务器支持BIMS option简介........................................................................9-79.2.6 DHCP服务器支持option184简介............................................................................9-89.2.7 广域网口支持DHCP地址分配................................................................................9-109.3 DHCP中继介绍................................................................................................................9-119.3.1 DHCP中继的基本原理...........................................................................................9-119.3.2 DHCP中继支持option 82概述...............................................................................9-129.4 DHCP公共配置................................................................................................................9-149.4.1 使能/禁止DHCP服务.............................................................................................9-149.4.2 配置伪DHCP服务器检测功能................................................................................9-149.5 DHCP服务器配置.............................................................................................................9-159.5.1 配置接口工作在DHCP服务器模式.........................................................................9-159.5.2 创建DHCP全局地址池...........................................................................................9-169.5.3 配置DHCP地址池的地址分配................................................................................9-179.5.4 配置DHCP地址池中不参与自动分配的IP地址.......................................................9-199.5.5 配置DHCP地址池的IP地址租用有效期限..............................................................9-199.5.6 配置DHCP客户端的域名.......................................................................................9-209.5.7 配置DHCP客户端的DNS服务器的IP地址..............................................................9-219.5.8 配置DHCP客户端的NetBIOS服务器的IP地址.......................................................9-229.5.9 配置DHCP客户端的NetBIOS节点类型..................................................................9-239.5.10 配置DHCP自定义选项.........................................................................................9-249.5.11 配置DHCP客户端的出口网关路由器...................................................................9-259.5.12 配置DHCP服务器的ping包发送...........................................................................9-259.5.13 配置DHCP服务器计费.........................................................................................9-269.5.14 配置DHCP服务器支持BIMS option.....................................................................9-289.5.15 配置DHCP服务器支持option184.........................................................................9-299.5.16 配置DHCP服务器支持option 82..........................................................................9-329.5.17 清除DHCP相关信息............................................................................................9-339.6 DHCP中继配置................................................................................................................9-339.6.1 配置接口工作在DHCP中继模式............................................................................9-339.6.2 配置DHCP中继指定的外部服务器地址..................................................................9-349.6.3 通过DHCP中继配置DHCP服务器负载分担...........................................................9-359.6.4 通过DHCP中继释放客户端的IP地址.....................................................................9-359.6.5 配置DHCP中继支持option 82................................................................................9-369.6.6 清除DHCP中继的统计信息....................................................................................9-379.7 DHCP客户端配置.............................................................................................................9-379.8 DHCP显示和调试.............................................................................................................9-389.9 DHCP典型配置举例.........................................................................................................9-409.9.1 DHCP服务器典型配置举例....................................................................................9-409.9.2 DHCP中继典型配置举例.......................................................................................9-419.9.3 DHCP客户端典型配置举例....................................................................................9-429.9.4 DHCP Accounting配置举例...................................................................................9-449.9.5 3COM VCX请求option 184组网案例....................................................................9-469.9.6 DHCP Relay支持option 82典型组网举例.............................................................9-479.9.7 封装PPP的串口支持DHCP配置举例.....................................................................9-48第10章 IP性能配置..............................................................................................................10-110.1 IP性能配置.....................................................................................................................10-110.1.1 配置接口最大传输单元（MTU）.........................................................................10-110.1.2 配置TCP报文分片...............................................................................................10-110.1.3 配置TCP属性.......................................................................................................10-110.1.4 配置ICMP发送重定向报文...................................................................................10-210.1.5 IP性能显示和调试................................................................................................10-310.2 接口转发广播报文配置...................................................................................................10-410.2.1 配置接口转发广播报文........................................................................................10-410.2.2 利用路由器实现远程WOL组网应用.....................................................................10-510.3 单播快速转发配置..........................................................................................................10-510.3.1 单播快速转发简介...............................................................................................10-510.3.2 单播快速转发配置...............................................................................................10-610.3.3 单播快速转发的显示和调试.................................................................................10-710.4 组播快速转发配置..........................................................................................................10-710.4.1 组播报文快速转发简介........................................................................................10-710.4.2 组播报文快速转发配置........................................................................................10-810.4.3 组播报文快速转发的显示和调试..........................................................................10-810.5 IP性能配置排错..............................................................................................................10-8第11章地址转换（NAT）的配置........................................................................................11-111.1 地址转换（NAT）简介...................................................................................................11-111.1.1 地址转换概述.......................................................................................................11-111.2 地址转换实现的功能......................................................................................................11-211.2.1 多对多地址转换及地址转换的控制......................................................................11-211.2.2 NAPT——网络地址端口转换...............................................................................11-311.2.3 静态网段地址转换...............................................................................................11-411.2.4 双向地址转换.......................................................................................................11-411.2.5 内部服务器..........................................................................................................11-511.2.6 Easy IP................................................................................................................11-611.2.7 地址转换应用网关...............................................................................................11-611.2.8 支持NAT多实例...................................................................................................11-611.3 NAT限制最大连接数......................................................................................................11-611.4 NAT的配置.....................................................................................................................11-711.4.1 配置地址池..........................................................................................................11-711.4.2 配置地址转换.......................................................................................................11-811.4.3 配置双向地址转换.............................................................................................11-1011.4.4 配置内部服务器.................................................................................................11-1111.4.5 配置地址转换应用网关......................................................................................11-1211.4.6 配置内部主机通过域名区分并访问其对应的内部服务器....................................11-1211.4.7 配置地址转换有效时间......................................................................................11-1311.4.8 配置最大连接数限制..........................................................................................11-1311.4.9 配置报文匹配方式.............................................................................................11-1411.5 地址转换显示和调试....................................................................................................11-1511.6 NAT配置举例...............................................................................................................11-1611.6.1 典型NAT配置举例.............................................................................................11-1611.6.2 使用loopback接口地址进行地址转换典型配置举例...........................................11-1711.6.3 静态网段地址转换典型组网应用........................................................................11-1911.6.4 双向地址转换配置举例......................................................................................11-2011.6.5 内部服务器与IPSec VPN结合应用配置举例......................................................11-2111.6.6 内部主机通过域名区分并访问对应的内部服务器组网应用................................11-2411.6.7 NAT限制最大连接数典型配置举例....................................................................11-2611.7 NAT排错.......................................................................................................................11-27第12章 IP单播策略路由配置................................................................................................12-112.1 IP单播策略路由简介.......................................................................................................12-112.2 IP单播策略路由的配置...................................................................................................12-212.2.1 配置策略..............................................................................................................12-212.2.2 使能策略路由.......................................................................................................12-412.3 IP单播策略路由显示和调试............................................................................................12-512.4 IP单播策略路由典型配置举例........................................................................................12-512.4.1 配置基于源地址的策略路由.................................................................................12-512.4.2 配置基于报文大小的策略路由.............................................................................12-7第13章 IP组播策略路由配置................................................................................................13-113.1 IP组播策略路由简介.......................................................................................................13-113.1.1 IP组播策略路由概述............................................................................................13-113.1.2 与IP组播策略路由相关的几个概念......................................................................13-113.1.3 应用IP组播策略路由后的报文转发过程...............................................................13-213.2 IP组播策略路由配置.......................................................................................................13-213.2.1 定义route-policy...................................................................................................13-213.2.2 定义route-policy的if-match子句...........................................................................13-313.2.3 定义route-policy的apply子句...............................................................................13-313.2.4 在接口上使能IP组播策略路由..............................................................................13-413.3 IP组播策略路由显示和调试............................................................................................13-4第14章 QLLC配置...............................................................................................................14-114.1 QLLC简介......................................................................................................................14-114.2 QLLC的配置...................................................................................................................14-114.3 QLLC的显示和调试........................................................................................................14-214.4 QLLC典型配置举例........................................................................................................14-2第15章 SOT配置.................................................................................................................15-115.1 SOT简介........................................................................................................................15-115.2 SOT配置........................................................................................................................15-215.2.1 指定SOT本地实体的IP地址.................................................................................15-315.2.2 配置SOT的协议组...............................................................................................15-315.2.3 封装SOT协议.......................................................................................................15-415.2.4 将串口加入到SOT协议组....................................................................................15-415.2.5 配置SOT连接检测的最大次数.............................................................................15-515.2.6 配置keepalive帧超时定时器................................................................................15-515.2.7 在接口下配置协议组的相关参数..........................................................................15-515.3 SOT的显示和调试..........................................................................................................15-715.4 SOT典型配置举例..........................................................................................................15-815.4.1 SOT基本模式典型配置举例.................................................................................15-815.4.2 SOT穿透模式典型配置举例.................................................................................15-915.4.3 SOT穿透模式下的广播发送方式配置举例.........................................................15-1015.4.4 SOT本地应答模式的配置举例...........................................................................15-12第16章 NetStream配置........................................................................................................16-116.1 NetStream简介...............................................................................................................16-116.1.1 NetStream概述....................................................................................................16-116.1.2 NetStream实现....................................................................................................16-116.2 NetStream配置...............................................................................................................16-116.2.1 启用NetStream功能.............................................................................................16-216.2.2 配置NetStream聚合功能.....................................................................................16-216.2.3 配置NetStream输出的UDP报文..........................................................................16-316.2.4 配置Netstream日志报文的时间戳........................................................................16-416.2.5 配置NetStream的流老化.....................................................................................16-516.2.6 配置NetStream每秒最大老化流数.......................................................................16-616.2.7 配置NetStream的最大流数..................................................................................16-616.2.8 取消Netstream日志报文的日志头中的流方向标记..............................................16-716.3 NetStream显示和调试....................................................................................................16-716.4 NetStream典型配置举例................................................................................................16-816.4.1 配置NetStream分类统计功能..............................................................................16-816.4.2 配置版本5和版本8报文输出.............................................................................16-8第17章 RCR配置.................................................................................................................17-117.1 RCR简介........................................................................................................................17-117.1.1 RCR本地模式的基本概念....................................................................................17-117.1.2 RCR本地模式的调整对象....................................................................................17-117.1.3 RCR本地模式的策略...........................................................................................17-117.1.4 RCR本地模式的启动和运行过程.........................................................................17-217.1.5 防止无效调整.......................................................................................................17-317.2 启动RCR本地模式.........................................................................................................17-317.2.1 配置准备..............................................................................................................17-317.2.2 启动RCR本地模式配置过程................................................................................17-317.3 使能RCR本地模式动态调整...........................................................................................17-317.3.1 配置准备..............................................................................................................17-417.3.2 使能RCR本地模式动态调整配置过程..................................................................17-417.3.3 RCR典型配置举例...............................................................................................17-417.4 RCR显示和维护.............................................................................................................17-517.5 常见配置错误.................................................................................................................17-5第18章移动IP.....................................................................................................................18-118.1 移动IP简介.....................................................................................................................18-118.1.1 基本概念..............................................................................................................18-118.1.2 MIP协议工作原理................................................................................................18-318.1.3 移动IP模块实现的功能........................................................................................18-518.2 配置MIP总体策略...........................................................................................................18-7。
NetScout解决方案功能简介
NetScout网络与应用性能监控解决方案功能简介二零零七年三月上海天旦网络科技发展有限公司目录1NETSCOUT公司简介 (3)1.1公司介绍 (3)1.2技术优势 (3)2NETSCOUT总体解决方案介绍 (5)2.1监控接入方法 (5)2.1.1旁路接入 (5)2.1.2镜像端口接入 (6)2.2主要功能实现 (6)2.2.1物理链路监控分析 (6)2.2.1.1链路层流量监控 (6)2.2.1.2错包及误码监控 (7)2.2.2网络流量深入分析 (7)2.2.2.1应用识别及监控 (8)2.2.2.2异常流量检测 (8)2.2.3响应时间监控 (9)2.2.4服务水平管理（SLA） (10)2.2.5数据捕获和协议分析 (12)2.2.6网络性能分析和优化 (12)2.2.7问题分析和主动管理 (13)2.2.8报表系统 (14)2.3本解决方案的特点 (15)2.3.1产品先进性 (15)2.3.2易用性 (15)2.3.3虚链路监控 (15)2.3.4端口聚合 (16)2.3.5监控组功能 (16)2.3.6子网监控（Site Monitor）功能 (16)2.3.7服务水平管理（IP SLA） (16)2.3.8全面的应用监控能力 (16)2.3.9高可扩展性 (17)3产品功能和性能 (17)3.1N ET S COUT PM软件 (17)3.1.1体系结构 (17)3.1.2多种数据源支持 (18)3.1.3主要功能 (18)3.29XXX系列网络探针 (20)3.33200N ET F LOW 收集器 (22)3.4AFM流记录探针 (25)1NetScout公司简介1.1 公司介绍NetScout成立于1984年，公司总部位于美国东岸城市Westford（波士顿附近）。
NetScout于1999年成为纳斯达克上市公司，编号为NCTC。
从成立至今，NetScout的业务一直围绕着网络监控和性能管理。
NetStor新产品简介
iSUM720
HP – EVA 4000/6000 HDS: AMS200/500 INSPUR AS1000
IBM: DS4300
Workgroup Storage
IBM: DS3000
HP MSA1500
NetApp2020/2050
INSPUR AS500
Entry-Level Storage
iSUM300-成熟的低端产品
• 行之有效的体系结构
– 7年不断创新的历史 – 成熟可靠的无线缆嵌入式结构 – 全国近万套的销售业绩
• 数据和应用的高可靠性
– RAID 6技术提供当前最高RAID保护能力 – 多主机端口设计提供应用持续访问能力
• 功能强大的管理工具
– 提供液晶面板、串口和图形界面等多种工具 – 提供全中文管理界面，适合中国用户
• 可以运行在Win2K, WinXP, Win2k3, Redhat Linux 9, Solaris 8多种操作系统 平台上；
• 提供集中管理功能 • 可以进行 SAN设备发
现功能
• 可以画出ＳＡＮ拓扑结 构
• 可以监控、管理和配置 ＳＡＮ
• 可以通过策略实现动态 的ＳＡＮ管理功能
备份产品线组成
iSUM730存储系统
亮点 一款高性能、高智能的全4Gb企业级光纤存储产品
性能 2个冗余全双工控制器配置，8Gb缓存、4个4Gb主机
端口、240块光纤或SATA硬盘； 可靠性
不影响性能表现的RAID 6支持，缓存电池保护或缓存 硬盘回写支持，本地或远程复制功能； 管理工具
可通过液晶面板、RS232串口、图形管理界面等多种 方式管理存储系统。
VTL 通过iSCSI( IP SAN)为备份 主机提供虚拟磁带机/带库
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产品架构
软件平台
nGenius K2
宏观业务视图 告警汇聚、行为分析
nGenius PM
实时视图 历史报表
Sniffer Analysis 数据包解码分析 专家系统 Packets
MultiSegment Intelligence
多网段关联分析
KPIs
Flows
xDR/Packets
带存储探针 InfiniStream
硬件平台
NetScout独特方法
自下而上的三层数据架构；从宏观到微观，至上而下的关联分析 数据集
AAA 拒绝, DNS错误, 响应时间, 等…
KPIs
“从上至下 关联分析”
指出问题和潜在影响
早期预警
应用/服务 通信对, 利用率, 总量, 等…
Flows
孤立复杂服务问题 识别影响
定位问题
Packets
“从下至上 数据处理”
包头和内容
深入分析数据包 ／更高精度分析
具体事件
国内知名用户
nGenius PM特点
链路层分析链路层分析网络分段及聚合应用协议分析
丰富的应用定义
•自动识别超过1000种应用协议，支持显示1024种协议 •SQL,Oracle等数据库协议深度分析 •灵活定义应用组 •TCP协议端口 •Sever Based Protocal（服务器+端口号） •网址URL •特殊应用识别
应用性能测试
关键性能分析
• 基于TCP协议的特点， 进行响应时间测量； • 支持UDP协议的应用 响应时间测量，DNS； • KPI：
– TCP 错误：0 Window
Size, 重传, Reset, 误 DNS KPIs overtime
– HTTP 错误：4xx, 5xx 错
即时报表
HTML报表 PDF报表
NetScout产品介绍
王彦晶
2013年7月17日 上海天旦网络科技发展有限公司
NetScout 公司介绍
成立于1984年,总部位于美国波士顿 1999年美国纳斯达克上市(代号: NTCT) 2007年收购Network General/Sniffer RMON标准的制定者 全球性服务和技术支持
链路层信息：每秒/毫秒 网络层和以上信息：每分钟
数据采集方式
TAP接入部署
分光器
分光器
光纤链路
探针
端口镜像接入部署
长期报表
告警机制
类型： 阈值告警 智能告警 方式： 邮件 Snmp trap
CDE数据导出
关联分析
Sniffer Analysis
Infinistream Console
关联Sniffer Portable
产品简介
Infinistream流量记录探针
•事后故障分析必备
–存储网络流量数据包
•网络安全鉴证分析
–HTTP、VoIP重组 –应用层数据重组
•大容量数据存储
– 32TB容量 – 高速数据记录能力 – 快速数据包检索能力
•具有以太探针的所有功能
– 除了xFlow数据的收集
•扩展广域探针的监测能力
– 通过nFD数据转录卡
nGenius Performance Manager
• 中央管理软件，对分布式部署的探针等设备进行管理； • 采用丏利的CDM技术来将不同的数据源进行统一处理 以获得汇聚型分析结果； • 内置Sybase数据库和CDM Flow数据库； • 同时实现实时性监控与自动化历史数据分析； • 支持平台包括：Windows、Linux； • 历史数据的颗粒度；