HP UX IPQos Software manual HP-UX Host Specific Planning Considerations

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Introduction

Planning for HP-UX IPQoS Deployment

As part of this analysis, you must understand the current factors preventing your organization from achieving its network performance goals. Then you can better understand how to use HP-UX IPQoS policies to achieve improvements in network performance.

Assess your network traffic. Analyze the baseline data on both your overall network as well as on your HP-UX hosts.

Understand the typical traffic patterns and bottlenecks in the network, including determining which traffic is most sensitive to congestion. Measure response times for critical applications, determine the bottlenecks in response time or performance, and look at the mix of traffic. Gather data over a long enough time period to show the effects of the cyclical realities of your environment. Prioritize among the various types of traffic in the network.

Review your network topology so that you can plan a strategy for using IP QoS-enabled systems and DS-aware routers. Determine the network resources available for QoS management. Determine if you have the types of devices (hosts and routers) and the capacity on the network to carry out the actions required to meet your business goals.

Decide which systems will be IP QoS-enabled and which routers will be DS-aware. Minimally, you will need at least one IP QoS-enabled system and at least one DS-aware router. If your local router is not DS-aware, then it will pass marked packets on to the next hop without evaluating the DSCP marks. For each DS-aware component, you must plan an IP QoS strategy and map it into policies.

As part of identifying specific resources for IP QoS deployment follow these steps:

1.Determine key connector devices and locate frequently used paths.

2.Know the resources that are the bottlenecks in these paths.

3.Know which adapters (NICs) on these resources you must specifically apply IP QoS mechanisms to.

4.Isolate parts of the network that cause problems or need to be managed.

HP-UX Host Specific Planning Considerations

After examining network wide considerations, analyze HP-UX host specific considerations to help you plan your HP-UX IPQoS implementation.

Review, classify, and prioritize the outbound traffic HP-UX hosts generate. Determine any groups into which outbound HP-UX host traffic can be divided. Organize these groups into differentiated classes of service by determining appropriate classification, metering and marking behaviors that can then be translated to filter and policy specifications.

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Contents HP-UX IPQoS A.01.00 Administrator’s Guide Manufacturing Part Number OctoberCopyright Notice WarrantyGovernment License Trademark NoticesContents HP-UX IPQoS Configuration Files HP-UX IPQoS Configuration File Attributes Quick Reference Ipqosadmin Quick Reference Tables Tables Figures Figures Intended Audience New and Changed Documentation in This EditionWhat Is in This Document Publishing HistoryTypographic Conventions UserInputHP Product Documentation Related DocumentsHP-UX Release Name and Release Identifier ManpagesRelated RFCs HP-UX IPQoS Relevant RFCsDescription HP Welcomes Your Comments Introduction Introduction Overview Benefits of HP-UX IPQoSDiffServ Mechanisms Traffic Classification Traffic ConditioningTraffic Classification and Conditioning Flow in HP-UX IPQoS Dscp Marking Summary HP-UX IPQoS Features Conforms to the Ietf DiffServ modelProvides provisioned QoS management No changes to existing applications are required Provides a simple configuration file formatSupports both IPv4 and IPv6 Compatible with HP-UX IPSecHP-UX IPQoS Architecture Architectural OverviewHP-UX 11i v2 HP-UX IPQoS uses the Interfacemodules list Planning for HP-UX IPQoS Deployment OverviewGeneral Planning Considerations HP-UX Host Specific Planning Considerations Planning for HP-UX IPQoS Deployment Planning for HP-UX IPQoS Deployment Chapter Installing HP-UX IPQoS Installing HP-UX IPQoS Supported Operating Systems System RequirementsSupported Hardware Disk Space RequirementsHP-UX 11i v1 Patch Requirements HP-UX 11i v2 Patch RequirementsAcquiring HP-UX IPQoS StepUpdate Installation Installing HP-UX IPQoSInitial Installation #swinstall -s /tmp/IPQoS.depot HpuxipqosOpt/ipqos/db/ipqosdb.db the active configuration database Verifying the HP-UX IPQoS Installation Removing HP-UX IPQoS #swremove Hpuxipqos#swlist -l product Hpuxipqos Removing HP-UX IPQoS Chapter Getting Started with HP-UX IPQoS Getting Started with HP-UX IPQoS HP-UX IPQoS Deployment Overview HP-UX IPQoS Configuration Files HP-UX IPQoS Deployment ComponentsRole of Filters Role of Policies General Pseudo-Syntax ExampleSimple Configuration File Example Ipqosadmin Administration Utility System Operation HP-UX IPQoS Operating StatesStarting HP-UX IPQoS Without a Reboot State After RebootStart and Stop Scripts #/sbin/init.d/net start #ipqosadmin -state#/sbin/init.d/ipqosdne start #/sbin/init.d/net-ipv6 startStopping HP-UX IPQoS Without a Reboot #/sbin/init.d/ipqos stop#/sbin/init.d/ipqosdne stop HP-UX IPQoS Configuration Files HP-UX IPQoS Configuration Files Introduction Configuration File Syntax Syntax Rules Configuration File Syntax Creating an HP-UX IPQoS Configuration File #vi ftpmgmt.qosconfCreating an HP-UX IPQoS Configuration File #ipqosadmin -verify -f ftpmgmt.qosconf -verbose Filter Blocks Filter AttributesAddress and Port Attributes Low end of the source port number range Syntax Rules Additional Attributes Supported Transport Protocol NumbersTransport Protocol Numbers Supported Network Protocol Numbers Priority AttributePriority p Policy Blocks Policy AttributesReservation b1suffix Maximum b2suffix Vpr priority For more information on HP-UX Vlan usage, refer to Using Adapter Blocks Adapter AttributeUses policy3, policy4, policy5 uses policy6, policy7 Adapter Blocks Chapter Administering HP-UX IPQoS Administering HP-UX IPQoS Ipqosadmin Overview Ipqosadmin Options and Administrative ActionsIpqosadmin Usage Rules Ipqosadmin Overview #ipqosadmin -unload Administering HP-UX IPQoS Operating StatesUsing ipqosadmin to Change States #ipqosadmin -load -f filename -verboseDisabling/Re-Enabling HP-UX IPQoS Administering HP-UX IPQoS Operating States Option Displaying State InformationSyntax ExampleVerifying a Configuration File #cat file1 file2 ipqosadmin -verify -fOptions Example Loading a Configuration File #cat file1 file2 ipqosadmin -load -fDefault -abort Unloading a Configuration Showing Configuration Information Output is always current Showing Statistics Packets Bytes Setting and Showing Log Level Setting and Showing Log Level Setting and Showing Log Level Chapter Troubleshooting HP-UX IPQoS 100 Chapter 101 Troubleshooting Tools HP-UX IPQoS ipqosadmin Utility#ipqosadmin -showstats #ipqosadmin -verify-load -f filename -verbose#ipqosadmin -showconfig HP-UX System and Networking UtilitiesTroubleshooting Scenarios Installation Scenario HP-UX IPQoS Installation FailsHP-UX IPQoS Configuration File Verification Fails #ipqosadmin -load -f fixedfilename -verbose Active Configuration Is Not As Expected#ipqosadmin -verify -f file -verbose State Is Not As ExpectedTraffic Management Problems #ipqosadmin -load -f filename#ipqosadmin -showconfig -conf reinstate.cfg Corrupt or Missing HP-UX IPQoS Configuration File#ipqosadmin -load -f simplefile -verbose #ipqosadmin -load -f reinstate.cfg -verbose#cp /opt/ipqos/db/ipqosdb.db /tmp/problemipqosdb.db #ll /opt/ipqos/db/ipqosdb.db#cp /opt/ipqos/db/template.db /opt/ipqos/db/ipqosdb.db Sample Error and Warning Messages Sample Error Messages ResolutionMessage Resolution Sample Warning and Informational MessagesReporting Problems to HP 112 HP-UX IPQoS Configuration File Attributes Quick Reference Summary of Configuration File Attributes Table A-1 Filter Attributes DefinitionAppendix a 115 Adapter this block applies to. Specify only one Table A-2 Policy Attributes DefinitionTable A-3 Adapter Attributes Definition Adapter per adapter blockHP-UX IPQoS Configuration File Examples Appendix B Example 1 Premium Services Class Web Server 120 Example 2 Trusted Applications and Dscp Example 3 Packets Can Match Multiple Filters Example 4 Limit ftp Bandwidth 124 Ipqosadmin Quick Reference Ipqosadmin Usage Syntax Summary Summary of the ipqosadmin usage syntax is as followsIpqosadmin Syntax Quick Reference Load an HP-UX IPQoS Configuration FileUnload an HP-UX IPQoS Configuration File Show Configuration Information Set/Show Log Level for HP-UX IPQoS Messages Get Help130 Glossary See DscpMeter Traffic shaper See shaperIndex Dscp134 135
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UX IPQos Software specifications

HP-UX IPQoS is a sophisticated software solution designed to enhance the network performance of HP's Unix-based operating system, HP-UX. This software focuses on Quality of Service (QoS) mechanisms that ensure efficient bandwidth utilization and prioritize network traffic to meet the demands of various applications.

One of the main features of HP-UX IPQoS is its ability to define traffic priorities. Administrators can classify traffic into different priority levels, allowing critical applications to receive the bandwidth they need while less important traffic can be deprioritized. This feature is essential in environments where bandwidth is a limited resource, ensuring that business-critical processes maintain their performance even during peak usage times.

The software employs advanced traffic shaping techniques that allow the management of data flow in the network. By controlling the rate of traffic and smoothing out bursts, IPQoS helps prevent network congestion, leading to a consistently reliable user experience. In addition, it can manage both inbound and outbound traffic, ensuring optimal performance in various network scenarios.

Another significant characteristic of HP-UX IPQoS is its integration with other network management tools. It operates seamlessly with HP’s Network Management Suite, providing a holistic view of network performance. This integration facilitates easier troubleshooting and monitoring, as administrators can correlate data from different sources for comprehensive insights.

Moreover, HP-UX IPQoS supports various protocols, including DiffServ and MPLS. By adhering to these standards, it positions itself as a versatile tool that can operate in diverse network environments, providing flexibility and ease of deployment. Additionally, the software supports policy-based management, enabling organizations to implement specific rules tailored to their network requirements.

Security is also a critical focus of HP-UX IPQoS. The software provides mechanisms to enforce traffic policies while safeguarding against potential threats. By ensuring that only authorized traffic flows through the network, it minimizes the risk of attacks and data breaches, contributing to a more secure IT environment.

The user interface of HP-UX IPQoS is designed for ease of use, allowing network administrators to configure settings, monitor performance, and generate reports without extensive training. This user-friendliness accelerates the deployment process and enhances the overall management of network resources.

In summary, HP-UX IPQoS is a robust and versatile network management solution that brings substantial benefits to organizations looking to optimize their network performance. With its traffic prioritization features, integration capabilities, support for industry standards, and focus on security, it stands out as an essential tool for maintaining effective and secure network operations in a dynamically changing IT landscape.