Shows the software version, Displays the switch shutdown | HP 2500

		Troubleshooting
		Diagnostic Tools
	CLI Administrative and Troubleshooting Commands
	These commands provide information or perform actions that you may find
	helpful in troubleshooting operating problems with the switch.

N o t e	For more on the CLI, refer to chapter 3, "Using the Command Line Reference
	(CLI).
	Syntax: show version	Shows the software version
	Syntax: show version	Shows the software version
		currently running on the switch.
	show boot-history	Displays the switch shutdown
		history.
	show history	Displays the current command
		history.
	[no] page	Toggles the paging mode for
		display commands between
		continuous listing and per-page
		listing.
	Setup	Displays the Switch Setup screen
		from the menu interface
	Repeat	Repeatedly executes the previous
		command until a key is pressed.
	kill	Terminates all other active
		sessions.

Troubleshooting

11-19

Image 351

HP 2500 Shows the software version, Currently running on the switch, Displays the switch shutdown, History, Listing, 11-19

Contents

Hp procurve series 2500 switches Page Management and Configuration Guide HP ProCurve Switches 2512 Publication Number Use of This Guide and Other ProCurve Switch Documentation PrefacePreface Page Contents Tasks for Your First HP Web Browser Interface Session Using a Standalone Web Browser in a PC or Unix Workstation Globally Assigned IP Network Addresses Viii Chapter Contents Overview Operating and Troubleshooting Notes Web Displaying and Configuring Port Security FeaturesMenu Viewing and Configuring IP Authorized Managers Web Configuring IP Authorized Managers Rmon Support Extended Rmon Advanced Management Rmon and HP Extended Another Stack Monitoring Stack Status Vlan Support and the Default Vlan Multimedia Traffic Control with IP Multicast Igmp Igmp Operating Features 10-9 10-8 Using the Event Log To Identify Problem Sources Daylight Savings Time on HP ProCurve Switches Xvi Selecting a Management Interface Chapter Contents Selecting a Management Interface OverviewUnderstanding Management Interfaces Selecting a Management Interface Advantages of Using the Menu Interface Advantages of Using the Menu InterfaceMenu interface also provides access for Enables Telnet in-band access to the menu functionality HP2512 Advantages of Using the CLIHP2512config# CLI Usage Advantages of Using the HP Web Browser Interface Advantages of Using the HP Web Browser Interface Advantages of Using HP TopTools for Hubs & Switches Advantages of Using HP TopTools for Hubs & Switches Interface Selecting a Management Interface Using the Menu Interface Starting and Ending a Menu SessionScreen Structure and Navigation Menu Interface Configure these featuresUsing the Menu Interface Using Starting and Ending a Menu Session Menu Interaction with Other InterfacesStarting and Ending a Menu Session Results How To Start a Menu Interface SessionPassword HP2512# menu Enter Main Menu with Manager Privileges How To End a Menu Session and Exit from the Console Using the Menu Interface Main Menu Features Main Menu Features Using the Menu Interface Screen Structure and Navigation Screen Structure and Navigation TaskActions How To Navigate in the Menu Interface Example Showing How To Display Help Rebooting the Switch Rebooting the Switch Reboot Switch option Indication of a Configuration Change Requiring a Reboot Menu Features List Menu Features ListLogout Option Where To Turn Where To Go From Here Using the Menu Interface Use Tab To Search for or Complete a Command Word Conventions for Command Option DisplaysDisplaying Help for an Individual Command Accessing the CLI Using the CLICLI commands are not case-sensitive Privilege Levels at Logon Using the CLI Location, such as a locked wiring closet Privilege Level OperationOperator Privileges Manager prompt HP2512 EnableHP2512config# vlan HP2512vlan-10# Manager Privileges Menu SetupEnable Privilege Level Hierarchy Change in Levels Example of Prompt , Command, and Result How To Move Between Levels Listing Commands and Command Options Listing Commands Available at Any Privilege Level? at the Operator level produces this listing Typing ? at the Manager level produces this listing Example of the Manager-Level Command Listing HP2512config# portTab HP2512config# port-security Command Option Displays Displaying CLI Help Example of How To List the Options for a Specific Command Interface CLI Example of Context-Sensitive Command-List Help HP2512# interface help Invalid input interface Configuration Commands and the Context Configuration Modes HP2512eth-5-8# ? 10. Context-Specific Commands Affecting Port Context HP2512config# vlan HP2512vlan-100#HP2512vlan-100# ? CLI Control and Editing Tasks for Your First HP Web Browser Interface Session Using the HP Web Browser Interface Agent Enabled parameter setting to No Using Using the HP Web Browser InterfaceHP Web Browser Interface General Features General Features PCs Web Browser Interface RequirementsPCs Platform Entity and OS Version Minimum Recommended Enable Java and Enable JavaScript options Using a Standalone Web Browser in a PC or Unix Workstation Http Using HP TopTools for Hubs & Switches Example of Status Overview Screen Window displayed for the selected device, as shown in figure HP Web Browser Viewing the First Time Install WindowTasks for Your First HP Web Browser Interface Session Tasks for Your First HP Web Browser Interface Session Creating Usernames and Passwords in the Browser Interface String Device Passwords Window Using the Passwords Using the User NamesIf You Lose a Password Server URL on Online Help for the HP Web Browser Interface Support/Mgmt URLs Feature Support/Mgmt URLs Feature Support URL Help and the Management Server URLIf Online Help Fails To Operate. Do one of the following How To Access Web Browser Interface Online Help Status Reporting Features Status Reporting FeaturesOverview Window Port Utilization Port Utilization and Status Displays 10. Changing the Graph Area Scale Port Status 12. The Port Status Indicators and Legend Alert The specific event identification Alert LogSorting the Alert Log Entries Each alert has the following fields of information Alert Types Alert Strings and DescriptionsAlert String Alert Description Console interface Viewing Detail Views of Alert Log Entries Blue Status Indicator KeyColor Switch Status Status Bar 16. The Fault Detection Window Setting Fault Detection Policy Using the HP Web Browser Interface Using Interface Access Console/Serial Link, Web IP Addressing Access, Feature Default Menu IP ConfigurationIP Configuration Features IP Configuration IP Addressing with Multiple VLANs HP2512# setupRemove it from the switch Just Want a Quick Start? IP Addressing in a Stacking Environment Following screen To Configure IP AddressingSwitch Configuration IP Configuration From the Main Menu, Select IP Commands Used in This Section Address Ip default-gateway Ip ttl No ip timepShow ip Syntax show ip HP2512config# ip ttl Click on the Configuration tab Web Configuring IP AddressingHow IP Addressing Affects Switch Operation Configure the Optional Timep Server Servers DHCP/Bootp OperationFeatures Available Without an IP Address Network Address received via Dhcp or Bootp ReplyProcess immediately Is the IP address to be assigned to the switch or Vlan J2512switch Network Preparations for Configuring DHCP/Bootp Globally Assigned IP Network Addresses CountryCompany Name/Address Locked environment Interface Access Features Menu Modifying the Interface Access To Access the Interface Access ParametersSwitch Configuration System Information Interface Access Commands Used in This Section CLI Modifying the Interface Access Two parameters To disable web browser accessTo re-enable web browser access Configuration will take effect Configuring Interface Example of Executing a Series of Console Commands System Information System Information FeaturesAt last Power reset System Information Enter, then press S for Save and return to the Main Menu Menu Viewing and Configuring System InformationOn configuration options for these features Press E for Edit. The cursor moves to the System Name field CLI Viewing and Configuring System Information System Information Commands Used in This SectionSystem information settings HP2512config# mac-age-time For example, to configure the age interval to seven minutes Configure System Parameters in the Web Browser Interface Web Configuring System ParametersFor example, to set the switch to 345 p.m. on October 1 HP2512config# time 1545 10/01/00 Configuring Interface Port Trunking Viewing Port Status and Configuring Port Parameters Port Status and ConfigurationFeaturesViewing port status Configuring ports 10/100TX Status or Description Parameter Status and Parameters for Each Port Type Status or Description From the Main Menu, Select Menu Viewing Port Status and Configuring Port ParametersUsing the Menu To Configure Ports Trunking on CLI Viewing Port Status and Configuring Port Parameters Port Status and Configuration CommandsShow interfaces Below Show interface config Interface Example of a Show Interface Command Listing Viewing Port Status and Configuring Port Parameters Web Viewing Port Status and Configuring Port Parameters Web browser interface Click on the Configuration tabClick on Port Configuration Mbps Links Viewing port trunks Configuring a static trunk None GroupPort Trunking Port Trunking T e U t i o n C P N o t e Switch 2512 and 2524 Port Trunk Features and Operation Trunk Types Used in Static and Dynamic Trunk Groups Trunk Configuration MethodsHP2512config# Int e Lacp passive Protocol Trunking Options Trunk Configuration ProtocolsSee Trunk Group Operation Using Lacp on See Trunk Operation Using the FEC Option on General Operating Rules for Port Trunks Monitor Port Switch Configuration Port/Trunk Settings CLI To Configure Ports on Example of the Configuration for a Two-Port Trunk Group Using the CLI To View Port Trunks Trunk Status and Configuration CommandsShow trunks Below Show lacp Trunk Interface lacp Example of a Show Trunk Listing Without Specifying Ports Using the CLI To Configure a Static or Dynamic Trunk Group Yes Trunk You can configure trunk group types as followsTrunk Type Trunk Group Membership Trk1 Static Dyn1 Dynamic HP2512config# interface 5-6 lacp active Click on Port Status HP2512config# no interface 1 lacpHP2512config# interface 1 lacp passive Web Viewing Existing Port Trunk Groups Lacp Trunk Types Trunk Group Operation Using LacpTrunk group Lacp trunk status include Lacp Port Status Data Default Port OperationParticular switch, execute the following command in the CLI HP2512 show lacp Lacp Notes and Restrictions Disabled The port cannot carry traffic Trunk Operation Using the FEC Option Trunk Group Operation Using the Trunk Option Outbound Traffic Distribution Across Trunked Links How the Switch Lists Trunk Data Node a Node W Node B Node C Node Y Node D Node Z 11. Example of Port-Trunked Network Through Traffic Control Optimizing Port Usage CLI Port Security Command Options and Operation Chapter Contents Using Passwords, Port Overview Using Password Security Password Features Default MenuLevel Actions Permitted Menu Setting Manager and Operator passwords Continue Deletion of password protection? No To set a new password Syntax password manager operator no password CLI Setting Manager and Operator PasswordsPassword Commands Used in This Section Password below Web Configuring User Names and Passwords Click on Device PasswordsClick on the Security tab Cast traffic Configuring and Monitoring Port SecurityConfiguring Port Security Disabled Basic Operation Blocking Unauthorized Traffic Configuring and Monitoring Port Security Trunk Group Exclusion Planning Port Security Configuring and Monitoring Port Security Acquires and maintains authorized addresses CLI Port Security Command Options and OperationPort Security Commands Used in This Section Commands Ethernet port-list Port Security Parameters Address-limit integer Mac-address mac-addrClear-intrusion-flag Using the CLI To Display Port Security Settings CLI Displaying Current Port Security Settings CLI Configuring Port Security Using Passwords, Port Security, and Authorized IP HP2512config# port-security 1 mac-address 0c0090-456456 U t i o n T e Click on Port Security Web Displaying and Configuring Port Security Features How the Intrusion Log Operates Reading Intrusion Alerts and Resetting Alert Flags Example of Multiple Intrusion Log Entries for the Same Port Keeping the Intrusion Log Current by Resetting Alert Flags Status and Counters Port Status Type I Intrusion log to display the Intrusion Log Configuring and Monitoring Port Security List Intrusion Log content List Intrusion Alert statusClear Intrusion flags on all ports Event Log lists port security intrusions as Using the Event Log To Find Intrusion Alerts Operating Notes for Port Security Configuring and Monitoring Port Security Authorized IP Manager Features Using IP Authorized Managers Access Levels Using IP Authorized ManagersDefining Authorized Management Stations Masks on Overview of IP Mask Operation Menu Viewing and Configuring IP Authorized Managers Switch Configuration IP Authorized ManagersFrom the console Main Menu, select IP Mask CLI Viewing and Configuring Authorized IP ManagersListing the Switch’s Current Authorized IP Managers Authorized IP Managers Commands Used in This Section HP2512config# ip authorized-managers Configuring IP Authorized Managers for the Switch Address of the authorized manager you want to delete Web Configuring IP Authorized ManagersConfiguring One Station Per Authorized Manager IP Entry Building IP Masks Analysis of IP Mask for Single-Station Entries Authorized 227 125Manager IP Analysis of IP Mask for Multiple-Station Entries Port IP Authorized Operating and Troubleshooting NotesAdditional Examples for Authorizing Multiple Stations Results Security, and Authorized IP Using Passwords, Port Monitoring and Managing the Switch Configuring for Network Management Applications Monitoring Configuring for Network Management Applications Managing Switch Snmp Management Features Snmp Management Features HP Entity MIB entity.mib Configuring for Snmp Access to SwitchSwitch Configuration Snmp Community Names Configuring for Snmp Access to the Switch To Restricted To View, Edit, or Add Snmp Communities Snmp Community FeaturesWrite access for the public community to Restricted Snmp Communities Snmp Add or Edit Screen Snmp Communities Screen Default Values Community community-str CLI Viewing and Configuring Community NamesCommunity Name Commands Used in This Section Listing Current Community Names and Values Configuring Identity Information Configuring Community Names and ValuesHP2512# show snmp-server public Opotions are used with the snmp-server host command Trap Receivers and Authentication TrapsTrap Features Regardless of the trap receiver configuration Syntax show snmp-server CLI Configuring and Displaying Trap ReceiversUsing the CLI To List Current Snmp Trap Receivers Trap Receiver Commands Used in This Section Using the CLI To Enable Authentication Traps Configuring Trap ReceiversUsing the CLI To Enable Authentication Traps Extended Rmon Advanced Management Rmon and HP Extended Rmon Support Monitoring Advanced Management Rmon and HP Extended Rmon Support Features Using the CLI To View Stack Status and Configure Stacking Configuring Advanced Features Configuring Advanced Features 109 103105 108 Overview Reduce the number of IP addresses needed in your network Stacking Features Default MenuConfigure stacking HP ProCurve Stack Management HP ProCurve Switch 8000M HP ProCurve Switch 4000MWhich Devices Support Stacking? Components of HP ProCurve Stack Management General Stacking OperationStacking Definitions Operating Rules for Stacking General RulesNetwork Backbone Specific Rules Stack Name N/A IP Addr Optional Overview of Configuring and Bringing Up a Stack No Manager password Or fewer stack members at the moment Stacking Configuration Guide General Steps for Creating a Stack Use of System Name to Help Identify Individual Switches Configuring Advanced Features Default Stacking Menu Default Stack Configuration Screen Using the Menu To Manage a Candidate Switch Seconds Range 1 to 300 seconds Candidate Configuration Options in the Menu InterfaceParameter Default Setting Other Settings Stack State Candidate Commander, Member, or Disabled Using the Commander To Manage The Stack Stacking Stack Management Using the Commander’s Menu To Manually Add a Candidate to aTo add a Member, start at the Main Menu and select You will then see the Stack Management screen 10. Example of Candidate List in Stack Management Screen Stacking Status All Stacking Member MAC Addresses You will then see the Stacking Status All screen Member listed Commander 14. Example of Selecting a Member for Removal from the Stack Stacking Stack Access You will then see the Stack Access screen Stacking From the Main Menu of the switch you want to move, selectStacking Status All Features Press Return Stack Status Environments Stack ConfigurationScreen Name Commander Member Candidate Monitoring Stack Status You will then see the Commander’s Stacking Status screen Stacking Stacking Status This SwitchStacking Stacking Status All You will then see the Member’s Stacking Status screen 19. Example of the Commander’s Stacking Status Screen You will then see the Candidate’s Stacking Status screen Configuring Advanced Interface CLI Commands for Configuring Stacking on a Switch Commander’s CLI CLI Command Operation No stack memberManager password Used In Commander Only Viewing the Status of Candidates the Commander Has Detected Using the CLI To View Stack Status Viewing the Status of the Commander and Current Members Features Configuring Advanced Using the CLI To Configure a Commander Switch 26. Example of the Commander’s Show Stack Screen with Only Commander Discovered Adding to a Stack or Moving Switches Between Stacks 28. Example of How To Determine Available Switch Numbers SNs Using the Commander’s CLI To Manually Add a Candidate to Candidate HP2512config# stack member 2 mac-address 0060b0-dfla00HP2512config# no stack auto-join HP 2512config# stack auto-join 31. Example of Pushing a Candidate Into a Stack Using the Destination Commander CLI To Pull a Member from 32. Example of Stack Listing with Two Stacks in the Subnet HP2524config# stack member 1 mac-address 0060b0-df1a00 Or the Member Using the CLI To Remove a Member from a StackAccess to the Commander Member Using the Member’s CLI To Remove the Member from a Stack HP2512config# no stack member 3 mac-address 0030c1-7fc700 HP2512config# telnet North Seaconfig# no stack join 0030c1-7fec40 Snmp Community Operation in a Stack Snmp Management Station Access to Members Via the CommanderCommander Switch Member Switch Using the CLI To Disable or Re-Enable Stacking Transmission IntervalSnmpget MIB variable 10.31.29.100 blue@sw2 38. Example of the Web Browser Interface for a Commander Web Viewing and Configuring Stacking Status Messages Stacking screens and listings display these status messagesMessage Condition Action or Remedy Address would normally belong to the same Vlan Vlan Features Default MenuDisabled See Gvrp on VLANs Port-Based Virtual LANs Static VLANs 39. Example of Routing Between VLANs via an External Router 40. Example of Overlapping VLANs Using the Same Server Overview of Using VLANs Vlan Support and the Default VlanWhich Vlan Is Primary? Per-Port Static Vlan Configuration Options Forbid TaggedUntagged Auto General Steps for Using VLANs You will then see the following screen Menu Configuring Vlan ParametersTo Change Vlan Support Settings Switch Configuration Vlan Menu Vlan Support Space bar to select from the existing options Gvrp onTo the Vlan Menu screen Switch Configuration Vlan Menu Vlan Names Adding or Editing Vlan Names802.1Q Vlan ID Name Adding or Changing a Vlan Port Assignment Switch Configuration Vlan Menu Vlan Port Assignment Untagged, or Forbid 48. Example of Vlan Port Assignment Screen 49. Example of Vlan Assignments for Specific Ports CLI Configuring Vlan Parameters No tagged port-list No untagged port-list No forbid Vlan Commands Used in this Section9-67 Available if Gvrp enabled Static-vlan vlan-id 9-67 Available if Gvrp enabled 51. Example of Show Vlan for a Specific Static Vlan For example, to reconfigure the switch to allow 10 VLANs HP2512config# primary-vlanFor example, to make Vlan 22 the primary Vlan For example, to create a new static Vlan with a VID HP2512vlan-100# vlan defaultvlanCreating a New Static Vlan Changing the Vlan Context Level That static Vlan HP2512config# static-vlan HP2512vlan-100# no tagged Web Viewing and Configuring Vlan ParametersHP2512config# no vlan 100 tagged At the Vlan 100 context level, use Vlan Tagging Information Click on Vlan Configuration Click on Add/Remove VLANs 54. Example of Tagged and Untagged Vlan Port Assignments For the Red VID in switch Y Switch Switch Y Port Red Vlan Green VlanUntagged Tagged To summarize Effect of VLANs on Other Switch FeaturesSpanning Tree Protocol Operation with VLANs IP Interfaces Vlan MAC Addresses Port TrunksPort Monitoring Vlan to another Vlan Vlan RestrictionsIP Host-Only Supported Symptoms of Duplicate MAC Addresses in Vlan Environments On a GVRP-enabled switch View Gvrp configuration Vlan Advertising and Joining on General Operation To allow tagged packets to pass through Switch D Gvrp OnSwitch C Gvrp On Switch E Gvrp On Per-Port Options for Handling Gvrp Unknown VLANs Mode Options for Handling Unknown Vlan Advertisements Tagged or Untagged2 Auto2 Forbid2 Per-Port Static Vlan Options Gvrp ConfigurationPer-Port Options for Dynamic Vlan Advertising Joining Controlling Vlan Behavior on Ports with Static VLANs To generate advertisements Gvrp and Vlan Access ControlPort-Leave From a Dynamic Vlan Dynamically joining other VLANs Configuring Gvrp On a Switch Menu Viewing and Configuring GvrpPlanning for Gvrp Operation 60. The Vlan Support Screen Default Configuration CLI Viewing and Configuring Gvrp Gvrp Commands Used in This SectionShow gvrp Below Gvrp Unknown -vlans HP2512config# gvrp HP2512config# no gvrpHP2512config# interface 1-2 unknown-vlans block VLAN-222 VLAN-33 64. Example of Listing Showing Dynamic VLANs Web Viewing and Configuring Gvrp HP2512config# staticGvrp Operating Notes Configuring Advanced Multimedia Traffic Control with IP Multicast Igmp Igmp Features Default MenuView igmp configuration Multimedia Traffic Control with IP Multicast Igmp Igmp Operating Features IGMP. Refer to IP Configuration onAddress Information screen How Igmp Operates on CLI Configuring and Displaying IgmpIndicating whether querier functionality is enabled Igmp Commands Used in This Section Including per-port data Igmp configuration for allVLANs on the switch Igmp configuration for a HP2512config# vlan 1 ip igmp HP2512config# no vlan 1 ip igmpHP2512vlan-1# ip igmp Configuring Per-Port Igmp Packet Control. Use this command How Igmp Operates Web Enabling or Disabling Igmp Role of the Switch 67. The Advantage of Using Igmp 68. Isolating IP Multicast Traffic in a Network Per Vlan in which it is used Be flooded instead of filtered by the switchNumber of IP Multicast Addresses Allowed Interaction with Multicast Traffic/Security Filters STP Features Default Menu Spanning Tree Protocol STPCast storm that can bring down the network Switch Configuration Spanning Tree Operation Menu Configuring STP Actions line 69. Example of the STP Configuration Screen STP Commands Used in This Section CLI Configuring STPDefault Default configuration, STP appears as shown here 10.General STP Operating Parameters HP2512config# spanning tree 107 HP2512config# spanning tree maximum-age 30 hello-timeDefault See -11, above 11.Per-Port STP Parameters How STP Operates Web Enabling or Disabling STP 71. Example of Redundant Paths Between Two Nodes STP Fast Mode Ing network loops To Configure Fast Mode for a Switch PortHP2512config# spanning-tree ethernet 1-3,5 mode fast STP Operation with 802.1Q VLANs 72. Example of Using a Trunked Link with STP and VLANs 112 Switch Operation Internet Group Management Protocol Igmp Status10-1 10-2 Ing. See Diagnostic Tools onMonitoring Switch Monitoring and Analyzing Switch Operation Analyzing Operation Interface Purpose Window under the Configuration tabStatus and Counters Data 10-3 Status and Counters Menu Access To Status and Counters 10-5 Menu AccessCLI Access General System Information Switch Management Address Information Monitoring Switch10-6 Menu Displaying Port Status Web AccessStatus and Counters . . .3. Port Status Switch Operation Port Status Particular port or trunk Resetting counters Viewing Port and Trunk Group StatisticsFor all ports Menu Access to Port and Trunk Statistics To access this screen from the Main Menu, selectStatus and Counters Port Counters Click on Port Counters CLI Access To Port and Trunk Group StatisticsWeb Browser Access To View Port and Trunk Group Statistics Mand provides traffic details for the port you specify 10-11 Viewing the Switch’s MAC Address Tables Enter MAC address Menu Access to the MAC Address Views and SearchesStatus and Counters Address Table To page through the listing, use Next page and Prev Listing MAC Addresses for a Specific Port Example of Menu Indicating Located MAC Address To Find the Port On Which the Switch Learned a Specific MAC CLI Access for MAC Address Views and Searches Menu Access to STP Data Spanning Tree Protocol STP InformationStatus and Counters Spanning Tree Information CLI Access to STP Data HP2512 show spanning-tree10-16 10-17 Show Command Output 10-18 Switch uses the CLI to display the following Vlan statusVlan Information Ports Listing the Vlan ID VID and Status for Specific Ports Listing Individual Vlan Status10-19 10-20 Web Browser Interface Status Information Port Monitoring Features Port Monitoring Features Default Menu10-21 Switch Configuration Network Monitoring Port Menu Configuring Port Monitoring To monitor individual ports To monitor all ports in a VlanMonitoring and Analyzing Port Monitoring Commands Used in This Section CLI Configuring Port Monitoring To turn off port monitoring HP2512config# mirror-portHP2512config# no mirror-port For example, to assign port 12 as the monitoring port Click on Apply Changes Web Configuring Port MonitoringTo enable port monitoring Click on the Configuration tab Click on Monitor Port Troubleshooting Menu Entering and Navigating in the Event Log11-1 Troubleshooting Troubleshooting Approaches Troubleshooting Approaches11-3 Browser or Console Access Problems Cannot access the web browser interfaceBrowser or Console Access Problems 11-5 11-6 General ProblemsUnusual Network Activity Ip Invalid ARP source IP address on IP address 11-7 IGMP-Related Problems Switch Cannot Find the Timep Server or the Configured Problems Related to Spanning-Tree Protocol STPStacking-Related Problems Timep or Gateway Problems Tagged Monitor VLAN-Related Problems11-9 Within Same Outside Tagged Vlan 11-10 11-11 Using the Event Log To Identify Problem Sources08/05/98 105232 Ports Port 1 enabled Date Time System Module 11-12 Menu Entering and Navigating in the Event LogEvent Log System Modules From the Main Menu, select Event Log HP2512 show logging -a system Event Log Control Keys Ping and Link Tests Diagnostic ToolsDiagnostic Features Diagnostic Tools 11-15 Web Executing Ping or Link Tests To halt a ping test before it concludes, press Ctrl C 11-16 CLI Ping or Link Tests 11-17 14.Example of Link Tests Troubleshooting Click on Configuration Report Displaying the Configuration FileCLI Viewing the Configuration File Web Viewing the Configuration File Toggles the paging mode for Currently running on the switchDisplays the switch shutdown Displays the current command Restoring the Factory-Default Configuration CLI Resetting to the Factory-Default ConfigurationClear/Reset Resetting to the Factory-Default Configuration Appendix Contents Downloading an Operating System OS Model. See Transferring Switch Configurations on page A-10 Downloading an Operating System OS Using Tftp To Download the OS File from a Server Console Main Menu, select Download OS to display this screen Menu Tftp Download from a Server CLI Tftp Download from a Server Check the Firmware revision lineValidating and Writing System Software to Flash Using the SNMP-Based Software Update Utility Series 2500 Switch-to-Switch DownloadMenu Switch-to-Switch Download Syntax Using Xmodem to Download the OS File From a PCCLI Switch-To-Switch Download Menu Xmodem Download HP2512 show system CLI Xmodem Download from a PC or Unix Workstation Troubleshooting Tftp Downloads Troubleshooting Tftp DownloadsHP2512# show log tftp Session in which the download was attempted Transferring Switch ConfigurationsTftp Retrieving a Configuration from a Remote Host Transfer Features Default Menu Tftp Copying a Configuration to a Remote Host Syntax copy xmodem startup-config pc unix MAC Address Management Appendix B Contents Determining MAC Addresses MAC Address Viewing Methods Feature Default MenuDetermining MAC Addresses MAC Address Management Configured on the Switch Menu Viewing the Switch’s MAC AddressesBase switch default Vlan VID = Any additional VLANs configured on the switch HP2512# walkmib ifPhysAddress CLI Viewing the Port and Vlan MAC Addresses Switch Memory and Configuration Switch Memory and Configuration Startup-Config File Overview of Configuration File Management Overview of Configuration File Management Any of the following actions reboots the switchHP2512config# interface ethernet 5 disable HP2512config# write memory Using the CLI To Implement Configuration Changes Using the CLI To Implement Configuration Changes Syntax write memory HP2512config# interface e 5 speed-duplex auto-10 With the factory-default startup configuration Do you want to save current configuration y/n? Syntax erase startup-config ChangesChanges on page C-9 Using Save and Cancel in the Menu Interface CancelledMemory in the CLI before rebooting the switch 73.The Reboot Switch Option in the Main Menu Rebooting from the Menu Interface Using the Web Browser Interface To Implement Configuration ChangesConfig file and the startup-config file Canada and Continental US 2524 2400M 224M Switches 2424MDaylight Savings Time on HP ProCurve Switches Alaska Western Europe ProCurve SwitchesMiddle Europe and Portugal Southern Hemisphere Daylight Savings Time on HP ProCurve Switches Page Index Index See FEC Garp Lacp See Igmp See Vlan See MIB See also IP VID Xmodem OS download … A-7 XNS …