HP UX IPQos Software manual System Operation, HP-UX IPQoS Operating States

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Getting Started with HP-UX IPQoS

System Operation

System Operation

This section provides information about relevant HP-UX IPQoS operating states including the state after initial boot and the state after reboots. It also describes how to start and stop HP-UX IPQoS without needing to reboot the system.

HP-UX IPQoS Operating States

HP-UX IPQoS operates in one of three possible states. Table 3-1 lists these states.

Table 3-1

HP-UX IPQoS Operating States

 

 

 

 

State

Description

 

 

 

DISABLED

 

HP-UX IPQoS is not running.

 

 

ENABLED but NOT FILTERING

HP-UX IPQoS is running, but has no loaded

 

 

configuration.

 

 

ENABLED and FILTERING

HP-UX IPQoS is running, and has a loaded

 

 

configuration.

 

 

 

State During Normal Operations

During normal operation, HP-UX IPQoS is typically in the ENABLED and FILTERING state (when you have a configuration loaded) or possibly in the ENABLED but NOT FILTERING state (when you do not have a configuration loaded). In rare cases, you may want HP-UX IPQoS to be put into the DISABLED state or to be changed to an ENABLED state from the DISABLED state. See “Administering HP-UX IPQoS Operating States” on page 83, for information about how to change HP-UX IPQoS operating states.

State at Initial Boot after Installation

By default, HP-UX IPQoS comes up in the ENABLED but NOT FILTERING state during the initial system boot process. This is a result of the start-up parameter IPQOS in the /etc/rc.config.d/ipqos file being set to 1 by default. When IPQOS=1 HP-UX IPQoS is automatically enabled at boot time. (When IPQOS=0, HP-UX IPQoS comes up in the DISABLED state.)

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Chapter 3

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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 ManpagesDescription Related RFCsHP-UX IPQoS Relevant RFCs 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 Provides provisioned QoS management HP-UX IPQoS FeaturesConforms to the Ietf DiffServ model 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 General Planning Considerations Planning for HP-UX IPQoS DeploymentOverview 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 #swlist -l product Hpuxipqos Removing HP-UX IPQoS#swremove Hpuxipqos Removing HP-UX IPQoS Chapter Getting Started with HP-UX IPQoS Getting Started with HP-UX IPQoS HP-UX IPQoS Deployment Overview Role of Filters HP-UX IPQoS Configuration FilesHP-UX IPQoS Deployment Components Role of Policies General Pseudo-Syntax ExampleSimple Configuration File Example Ipqosadmin Administration Utility System Operation HP-UX IPQoS Operating StatesStart and Stop Scripts Starting HP-UX IPQoS Without a RebootState After Reboot #/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 Transport Protocol Numbers Additional AttributesSupported Transport 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 Usage Rules Ipqosadmin OverviewIpqosadmin Options and Administrative Actions 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 ExampleOptions Verifying a Configuration File#cat file1 file2 ipqosadmin -verify -f 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 UtilitiesHP-UX IPQoS Configuration File Verification Fails Troubleshooting ScenariosInstallation Scenario HP-UX IPQoS Installation 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/template.db /opt/ipqos/db/ipqosdb.db #cp /opt/ipqos/db/ipqosdb.db /tmp/problemipqosdb.db#ll /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 followsUnload an HP-UX IPQoS Configuration File Ipqosadmin Syntax Quick ReferenceLoad 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.