HP Auto Port Aggregation Administrator's Guide HP-UX 11i v1, 11i v2 HP Part Number: J4240-90046 Published: September 2008 Edition: September 2008, E0908 © Copyright 2008 Hewlett-Packard Development Company, L.P. Confidential computer software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the U.S. Government under vendor's standard commercial license. The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. UNIX is a registered trademark of The Open Group. Table of Contents About This Document.........................................................................................................9 1 Introduction...................................................................................................................13 Conceptual Overview...........................................................................................................................13 Link Aggregate................................................................................................................................13 Load Balancing...........................................................................................................................14 Failover Group.................................................................................................................................15 Proactive Failover.......................................................................................................................15 TCP Segmentation Offload..............................................................................................................16 VLAN Support.................................................................................................................................16 Interoperability with HP Serviceguard................................................................................................17 Administrative Methods.......................................................................................................................17 HP System Administration Manager..............................................................................................17 lanadmin Command........................................................................................................................18 Manually Editing Configuration Files.............................................................................................18 2 Installing the APA Software.........................................................................................19 Installation Requirements.....................................................................................................................19 Hardware Requirements.................................................................................................................19 Supported Switches....................................................................................................................19 Supported LAN Cards...............................................................................................................19 Operating System Requirements.....................................................................................................20 Software Requirements ...................................................................................................................20 Installing the Software..........................................................................................................................20 Verifying the Installation .....................................................................................................................20 Removing the Software.........................................................................................................................21 3 Configuring APA..........................................................................................................23 HP APA Configuration Examples........................................................................................................23 Enterprise Intranet Client/Server Environment..............................................................................23 Internet or Large Enterprise Environments Using Routers............................................................24 Server-to-Server (Back-to-Back).......................................................................................................26 Hot Standby for High Availability..................................................................................................27 Server-to-Server with Switch (Not Recommended)........................................................................28 Failover Group.................................................................................................................................29 Failover Group Using Link Aggregates .........................................................................................30 Preparing for Configuration.................................................................................................................31 Link Aggregate Advanced Parameters.................................................................................................34 Failover Group Advanced Parameters.................................................................................................35 Configuring a Link Aggregate..............................................................................................................36 Configuring an FEC_AUTO Mode Link Aggregate.......................................................................36 Using SAM to Configure a MANUAL Mode Link Aggregate........................................................41 Configuring a Failover Group..............................................................................................................46 Configuring an IP Address...................................................................................................................47 Configuring the Link Partner................................................................................................................47 Configuring HP Serviceguard..............................................................................................................47 Creating VLANs Over APA..................................................................................................................47 Verifying the Configuration..................................................................................................................47 Table of Contents 3 What Happens During Start Up?..........................................................................................................48 4 Using the lanadmin Command..................................................................................51 Set Options............................................................................................................................................52 Display Options....................................................................................................................................54 Invoking lanadmin from the Command Line.......................................................................................57 Using lanadmin Interactively...............................................................................................................59 5 Administering HP APA.................................................................................................63 Modifying HP APA Global Parameters................................................................................................63 Logging Messages to the syslog.log File...............................................................................................63 Examples..........................................................................................................................................64 Viewing HP APA Statistics...................................................................................................................65 6 Troubleshooting HP APA.............................................................................................67 Operation..............................................................................................................................................67 Getting Started......................................................................................................................................67 Solving HP APA Problems...................................................................................................................67 Solving Link Aggregate Problems (MANUAL Mode)....................................................................70 Solving Link Aggregate Problems (LACP Mode)...........................................................................74 Solving Link Aggregate Problems (FEC Mode)..............................................................................79 Solving Failover Group Problems...................................................................................................83