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                        management and
configuration guide
hp procurve series 2500 switches
www.hp.com/go/procurve                                                                                                                                                                                                                                                                                                                                                                                                                          
                    
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                        HP ProCurve Switches 2512 and 2524 Software Release F.01or Greater Management and Configuration Guide                                                                                                                                                                                                                                                                                                                                                                                                               
                    
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                        © Copyright 2000 Hewlett-Packard Company Disclaimer All Rights Reserved. The information contained in this document is subject to  change without notice. This document contains information which is protected by  copyright. Reproduction, adaptation, or translation without HEWLETT-PACKARD COMPANY MAKES NO WARRANTY  prior permission is prohibited, except as allowed under the OF ANY KIND WITH REGARD TO THIS MATERIAL,  copyright laws. INCLUDING, BUT NOT LIMITED TO, THE IMPLIED  WARRANTIES OF MERCHANT
                    
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                        Preface Preface Use of This Guide and Other ProCurve Switch  Documentation This guide describes how to use the command line interface (CLI), menu  interface, and web browser interface for the HP ProCurve Switches 2512 and  2524 - hereafter referred to individually as the “Switch 2512” or “Switch 2524”  and collectively as the “Switches 2512/2524” or “Series 2500 switches”).  If you need information on specific parameters in the menu interface,  refer to the online help provided in the interface
                    
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                        Contents Contents Preface  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii Use of This Guide and Other ProCurve Switch Documentation . . . . . . iii 1: Selecting a Management Interface Chapter Contents  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Overview  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Understanding M
                    
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                        Contents Accessing the CLI  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Using the  CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Privilege Levels at Logon  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Privilege Level Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Operator Privileges  . . . . . . . . . . . . . . . .
                    
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                        Contents The Port Utilization and Status Displays  . . . . . . . . . . . . . . . . . . . . . . . 4-17 Port Utilization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17 Port Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19 The Alert Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20 Sorting the Alert Log Entries  . . . . . . . . . . . . . . . . . . . . . . .
                    
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                        Contents 6. Optimizing Port Usage Through Traffic Control and  Port Trunking Chapter Contents  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1 Overview  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 Viewing Port Status and Configuring Port Parameters . . . . . . . . . . . 6-2 Menu: Viewing Port Status and Configuring Port Parameters  . . . . . . 6-5 CLI: Viewing Port Status and Configuri
                    
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                        Contents Configuring and Monitoring Port Security . . . . . . . . . . . . . . . . . . . . . . 7-9 Basic Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9 Blocking Unauthorized Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10 Trunk Group Exclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11 Planning Port Security  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11 C
                    
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                        Contents SNMP Management Features  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3 Configuring for SNMP Access to the Switch  . . . . . . . . . . . . . . . . . . . . 8-4 SNMP Communities  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6 Menu: Viewing and Configuring SNMP Communities  . . . . . . . . . . . . . 8-6 To View, Edit, or Add SNMP Communities: . . . . . . . . . . . . . . . . . . 8-6 CLI: Viewing and Configuring Community N
                    
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                        Contents Using the Commander To Manage The Stack . . . . . . . . . . . . . . . . . . . 9-19 Using the Commander To Access Member Switches for   Configuration Changes and Monitoring Traffic . . . . . . . . . . . . . . 9-26 Converting a Commander or Member to a Member of Another Stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-27 Monitoring Stack Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-28 Using the CLI To View St
                    
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                        Contents VLAN Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-75 Symptoms of Duplicate MAC Addresses in VLAN Environments  9-76 GVRP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-77 General Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-78 Per-Port Options for Handling GVRP “Unknown VLANs” . . . . . . . . . 9-80 Per-Port Options f
                    
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                        Contents General System Information  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5 Menu Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5 CLI Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-5 Switch Management Address Information . . . . . . . . . . . . . . . . . . . . . . 10-6 Menu Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
                    
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                        Contents Unusual Network Activity  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6 General Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-6 IGMP-Related Problems  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-7 Problems Related to Spanning-Tree Protocol (STP) . . . . . . . . . . 11-8 Stacking-Related Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-8 Timep or Gateway Problems  
                    
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                        Contents Transferring Switch Configurations . . . . . . . . . . . . . . . . . . . . . . . . . .  A-10 B: MAC Address Management Appendix B Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  B-1 Overview  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  B-1 Determining MAC Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  B-2 Menu: Viewing the Switch’s MAC Addresses . . . 
                    
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                        Selecting a Management  Interface 1 Selecting a Management Interface Chapter Contents Overview  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Understanding Management Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Advantages of Using the Menu Interface . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Advantages of Using the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Advantages 
                    
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                        Selecting a Management Interface Overview Overview This chapter describes the following:  Management interfaces for the Switches 2512/2524  Advantages of using each interface Understanding Management Interfaces Management interfaces enable you to reconfigure the switch and to monitor  switch status and performance. The HP Switches 2512/2524 offer the following  interfaces:  Menu interface—a menu-driven interface offering a subset of switch  commands through the built-in VT-100/ANSI console—pa