Using HP-UX VLANsHP 9000 Networking for HP-UX 11iManufacturing Part Number: T1453-90001E0302U. S. A.© Copyright 2002 Hewlett-Packard Company.

What are HP-UX VLANs?Chapter 110A Virtual LAN (VLAN) is a logical or virtual network segment that canspan multiple physical network segments. Using V

What are HP-UX VLANs?Chapter 1 11VLANs create broadcast domains using switches instead of routers.While VLANs in some environments may reduce the numb

What are HP-UX VLANs?HP-UX VLAN FeaturesChapter 112HP-UX VLAN FeaturesFollowing are some of the features of HP-UX VLANs:• HP-UX VLANs are implemented

What are HP-UX VLANs?Benefits of HP-UX VLANsChapter 1 13Benefits of HP-UX VLANsThe advantages of HP-UX VLANs are:• Physically dispersed workgroups can b

What are HP-UX VLANs?Types of VLANs Supported by HP-UXChapter 114Types of VLANs Supported by HP-UXThe types of HP-UX VLANs that you can create are as

What are HP-UX VLANs?HP-UX VLAN TaggingChapter 1 15HP-UX VLAN TaggingNetwork switches and end stations that know about VLANs are said tobe VLAN-aware.

What are HP-UX VLANs?HP-UX VLAN TaggingChapter 116Figure 1-3 VLANS Overlapping or Sharing the Same LAN Card PortServerHP Gigabit or Fast EthernetLAN C

What are HP-UX VLANs?System and Software RequirementsChapter 1 17System and Software RequirementsFollowing are the hardware and software requirements

What are HP-UX VLANs?System and Software RequirementsChapter 118SAM PHCO_25866* Either the 100Base-T or Gigabit patchmay be optional depending on whic

What are HP-UX VLANs?Supported SwitchesChapter 1 19Supported SwitchesHP-UX VLANs are supported with switches that implement IEEE802.1Q-compliant VLAN

2Legal NoticesThe information in this document is subject to change without notice.Hewlett-Packard makes no warranty of any kind with regard to thisma

What are HP-UX VLANs?Unsupported FunctionalityChapter 120Unsupported FunctionalityHP-UX VLANs do not support the following functionality:• GARP VLAN r

Chapter 2 212 Overview of Installation andConfiguration

Overview of Installation and ConfigurationPlanning HP-UX VLANsChapter 222Planning HP-UX VLANsThe following requirements must be satisfied before setting

Overview of Installation and ConfigurationHow to Configure VLANs on the SwitchChapter 2 23How to Configure VLANs on the SwitchIEEE 802.1Q compliant devic

Overview of Installation and ConfigurationHow to Configure VLANs on the SwitchChapter 224Table 2-1 Summary of VLAN Tagging AssignmentVLANs PerPortTaggin

Overview of Installation and ConfigurationHow to Configure VLANs on HP-UXChapter 2 25How to Configure VLANs on HP-UXChoose Configuration Method: Use SAM;

Overview of Installation and ConfigurationConfiguration ProcessChapter 226Configuration ProcessFollowing are the steps to configure HP-UX VLANs. These ste

Overview of Installation and ConfigurationProperties of a VLANChapter 2 27Properties of a VLANWhen a VLAN is created on a given LAN card port, (see “Cr

Overview of Installation and ConfigurationSpecial Case of VLAN ID 0--Priority Tagged FramesChapter 228Special Case of VLAN ID 0--Priority TaggedFramesV

Overview of Installation and ConfigurationAllowable Values for HP VLANsChapter 2 29Allowable Values for HP VLANsTable 2-2 lists the allowable values fo

Contents31. What are HP-UX VLANs?HP-UX VLAN Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Overview of Installation and ConfigurationAllowable Values for HP VLANsChapter 2301 Default is an empty string; lanadmin will display it as UNNAMED.Tab

Overview of Installation and ConfigurationUsing VLANs with MC/ServiceGuardChapter 2 31Using VLANs with MC/ServiceGuardYou can create MC ServiceGuard fa

Overview of Installation and ConfigurationHow is 802.1p Priority Set?Chapter 232How is 802.1p Priority Set?IP packets are classified and marked into dif

Overview of Installation and ConfigurationHow do Pri and ToS Override Affect My Inbound and Outbound frames?Chapter 2 33How do Pri and ToS Override Aff

Overview of Installation and ConfigurationHow do Pri and ToS Override Affect My Inbound and Outbound frames?Chapter 234CONF_TOS VLAN Tag priority comes

Overview of Installation and ConfigurationSetting 802.1p Priority, ToS, and OverridesChapter 2 35Setting 802.1p Priority, ToS, and Overrides802.1p prio

Overview of Installation and ConfigurationWhere to Get More InformationChapter 236

Chapter 3 373 Configuring VLANs Using SAM

Configuring VLANs Using SAMConfiguring VLANs Using SAMChapter 338Configuring VLANs Using SAMYou can use SAM to configure VLANs by completing the following

Configuring VLANs Using SAMConfiguring VLANs Using SAMChapter 3 396. On the Virtual LAN screen, available VLAN-aware cards aredisplayed. When you select

Contents4Using lanadmin to Delete a VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52A. TroubleshootingDiagnostic

Configuring VLANs Using SAMConfiguring VLANs Using SAMChapter 340Figure 3-3 Create Virtual LANsAfter you have assigned a VLAN ID, the VLAN then shows on

Configuring VLANs Using SAMConfiguring VLANs Using SAMChapter 3 41On the Modify VLAN Properties screen, the fields are all optional;the data elements are

Configuring VLANs Using SAMConfiguring VLANs Using SAMChapter 342

Chapter 4 434 Configuring VLANs by Editingvlanconf File

Configuring VLANs by Editing vlanconf FileModifying Parameters in vlanconf FileChapter 444Modifying Parameters in vlanconf File Following is the format

Configuring VLANs by Editing vlanconf FileModifying Parameters in vlanconf FileChapter 4 45# priority. Only for# IP packets. For non-IP# packets, CONF_

Configuring VLANs by Editing vlanconf FileModifying Parameters in vlanconf FileChapter 446# VLAN_ID[1]=# VLAN_PRIORITY[1]=# VLAN_TOS[1]=# VLAN_PRI_OVER

Using lanadmin -V to Administer VLANsChapter 5 475 Using lanadmin -V toAdminister VLANs

Using lanadmin -V to Administer VLANsUsing the lanadmin -V Command for Administering VLANsChapter 548Using the lanadmin -V Command forAdministering VL

Using lanadmin -V to Administer VLANsUsing the lanadmin -V Command for Administering VLANsChapter 5 49CONF_TOS or CONF_PRI)[pri_override <level>

Tables5Table 1-1. Needed Patches for HP-UX VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17Table 2-1. Summary of VLAN Tagging Assi

Using lanadmin -V to Administer VLANsUsing the lanadmin -V Command for Administering VLANsChapter 550The VLAN (lan5000) appears in lanscan output just

Using lanadmin -V to Administer VLANsUsing the lanadmin -V Command for Administering VLANsChapter 5 51Querying for a Single VPPA on a System You can q

Using lanadmin -V to Administer VLANsUsing the lanadmin -V Command for Administering VLANsChapter 552lanadmin -V modify vlanid 53 pri 3 5000Successful

Using lanadmin -V to Administer VLANsUsing the lanadmin -V Command for Administering VLANsChapter 5 53lanadmin -V delete 5000The lanadmin -p <PPA&g

Using lanadmin -V to Administer VLANsUsing the lanadmin -V Command for Administering VLANsChapter 554

Appendix A 55A Troubleshooting

TroubleshootingAppendix A56This chapter provides guidelines for troubleshooting VLANs. It containsthe following sections:• Diagnostic Flowcharts.• Use

TroubleshootingDiagnostic FlowchartsAppendix A 57Diagnostic FlowchartsTable A-1 summarizes the types of network tests in the diagnosticflowcharts. Foll

TroubleshootingFlowchart 1: Link Level TestsAppendix A58Flowchart 1: Link Level TestsCheck communications between link levels on the source and target

TroubleshootingFlowchart 1: Link Level TestsAppendix A 59Figure A-1 Flowchart 1Link Levellanscan and lanadminTestsTestslinkloop Test

Tables6

TroubleshootingFlowchart 1: Link Level TestsAppendix A60Flowchart 1a: Linkloop TestFigure A-2 Flowchart 1aLinkloopYESLinkoopsuccessful?NOTestExecuteNO

TroubleshootingFlowchart 1: Link Level TestsAppendix A 61Flowchart 1a Procedures• Execute linkloop to remote host. If linkloop is successful, continue

TroubleshootingFlowchart 1: Link Level TestsAppendix A62Flowchart 1b: lanscan and lanadmin TestFigure A-3 Flowchart 1blanscanYESProblemfixed?NOYESYESE

TroubleshootingFlowchart 1: Link Level TestsAppendix A 63Flowchart 1b Procedures• Execute lanscan command and verify your interface is displayed bythe

TroubleshootingFlowchart 2: Network Level TestsAppendix A64Flowchart 2: Network Level TestsFigure A-4 Flowchart 2NetworkTestsARP Testping TestLevel

TroubleshootingFlowchart 2: Network Level TestsAppendix A 65Flowchart 2 Procedures• See Flowchart 2a to validate ARP entries and remote hostavailabili

TroubleshootingFlowchart 2: Network Level TestsAppendix A66Flowchart 2a: ARP TestFigure A-5 Flowchart 2aARP TestYESRemotehost up?NONOYESping TestBring

TroubleshootingFlowchart 2: Network Level TestsAppendix A 67Flowchart 2a Procedures• Use ARP to verify that an entry exists for the remote host in you

TroubleshootingFlowchart 2: Network Level TestsAppendix A68Flowchart 2b: ping TestFigure A-6 Flowchart 2bping Testpingsuccessful?NOYESExecuteping remo

TroubleshootingFlowchart 2: Network Level TestsAppendix A 69Flowchart 2b Procedures• Execute ping to remote host using ping.• If ping is successful, s

Figures7Figure 1-1. VLANs (Virtual LANs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Figure 1-2. IEEE 802.1Q VLAN

TroubleshootingFlowchart 2: Network Level TestsAppendix A70Flowchart 2b (continued):Figure A-7 Flowchart 2b (continued)YESNONOYESNetworkNOCorrect BIND

TroubleshootingFlowchart 2: Network Level TestsAppendix A 71Flowchart 2b (continued) Procedures• If network unreachable error, go to the Configuration

TroubleshootingNetTL Trace and Log of VLANsAppendix A72NetTL Trace and Log of VLANsThe nettl tool can be used to troubleshoot VLANs. Following is a sa

TroubleshootingNetTL Trace and Log of VLANsAppendix A 73Device ID : 1 Path ID : -1Connection ID : 0Locatio

TroubleshootingNetTL Trace and Log of VLANsAppendix A74

Glossary 75Glossary802.1p: IEEE Standard supplement, nowincorporated in IEEE 802.1D. Defines 8priority levels for traffic classification at thedata link

GlossaryIP:Glossary76IP: Internet protocol.IP Address: See Internet Address glossaryentry.LAN: See Local Area Network.Local Area Network (LAN): A data

GlossaryVPPA:Glossary 77Virtual PPA or VPPA: Virtual Interfaceswhich are dynamically created by you (usinglanadmin or SAM). The interfaces are“virtual

GlossaryVirtual PPA or VPPA:Glossary78

Figures8

Chapter 1 91 What are HP-UX VLANs?