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HP 212M, 224M Executing Ping or Link Tests from the Switch Console, ecute, Time-out, 1.Link Test, Repetitions, 2. Ping Test, 5.Diagnostics, Troubleshooting

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Troubleshooting

Diagnostics

Executing Ping or Link Tests from the Switch Console

1.From the console Main Menu, select:

5.Diagnostics . . .1.Link Test

2. Ping Test

Figure 8-4. Examples of Link Test and Ping Test Screens

2.Do one of the following:

a.For a Link test, enter the MAC address of the target device. (This is a 12-digit hexadecimal number. For an example, see the screen on page 7-11.)

b.For a Ping test, enter the IP address of the target device.

3.Select the Repetitions parameter and type in the number of times you want the test to be made.

4.Select Time-outand select the number of seconds to allow for each test.

5.Press [Enter] to go to the Actions line, then press [x] (for eXecute) to start the test.

To cancel a Ping or Link test that is in progress, press [Ctrl] [C].

Troubleshooting

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Contents

Management and Configuration Guide HP Networking http://www.hp.com/go/network_city Less Work, More Network Page HP ProCurve Switch 212M and 224M Page 1 Selecting a Management Interface 2 Configuring an IP Address on the Switch 3 Using the HP Web Browser Interface 4 Using the Switch Console 5 Using HP TopTools To Monitor and Manage the Switch 6 Configuring the Switch 7 Monitoring and Analyzing Switch Operation 8 Troubleshooting A File Transfers B MAC Address Management Index Page Selecting a Management Interface Selecting a Management Advantages of Using the HP Web Browser Interface Figure 1-1.Example of the HP Web Browser Interface Display Easy access Familiar browser Advantages of Using the Switch Console Figure 1-2.Example of the Switch Console Display More comprehensive set of features and parameters Out-of-band access HP TopTools for Hubs & Switches Figure 1-3.Example of HP TopTools Main Screen Network Devices: Network Traffic: Network Growth: Page Configuring an IP Address on the Switch Methods for Configuring an IP Address and Subnet Mask Manually through the switch’s console: Configure your DHCP/Bootp server to support the switch: Manually Configuring an IP Address 2.Switch Management Access Configuration (IP, SNMP, Console) Figure 2-1.The Internet (IP) Service Screen dit IP Config [DHCP/Bootp] Manual Subnet Mask Where To Go From Here Using the HP Web Browser Interface the HP Web Browser Web Browser Interface Requirements Table 3-1.Supported Network Devices and System Requirements PCs: Using a Standalone Web Browser in a PC or UNIX Workstation Using HP TopTools for Hubs & Switches Figure 3-1.Status Overview Screen Viewing the “First Time Install” Window select the fault detection configuration Browser Web HP the Using Creating User Names and Passwords in the Web Browser Interface Using the Passwords Using the User Names If You Lose a Password Online Help for the HP Web Browser Interface Figure 3-4.How To Access Web Browser Interface Online Help The Overview Window Tab Bar Active Tab Status Bar Port Utilization and Status Displays Button Bar The Port Utilization and Status Displays Maximum Activity Indicator: To change the amount of bandwidth the Port Utilization bar graph shows Figure 3-7.Changing the Graph Area Scale Figure 3-8.Display of Numerical Values for the Bar The Alert Log Figure 3-9.The Alert Log Alert Date/Time Description Sorting the Alert Log Entries Alert Types Table 3-2.Alert Strings and Descriptions Viewing Detail Views of Alert Log Entries Acknowledge Event Delete Event Retest Button Cancel Button The Alert Control Bar Figure 3-11.The Alert Control Bar Refresh Open Event Delete Selected Events The Tab Bar Port Counters Port Status Configuration Tab Figure 3-14.The Configuration Tab and Buttons Device View Fault Detection System Information Security Tab Figure 3-15.The Security Tab and Buttons Device Passwords Diagnostics Tab Figure 3-16.The Diagnostics Tab and Buttons The Status Bar Figure 3-17.The Status Bar Status Indicator Table 3-3.Status Indicator Key Product Name Setting Fault Detection Policy Working With Fault Detection High Sensitivity Medium Sensitivity Low Sensitivity Never Using the Switch Console How To Start a Console Session: How To End a Console Session: Main Menu Features Figure 4-1.The Main Menu (manager mode) Switch Management Access Configuration: Event Log: Diagnostics: Reboot Switch: Download OS: Logout: Screen Structure and Navigation Figure 4-2.Elements of the Screen Structure Table 4-1.How To Navigate in the Console To get full screen Help Help Figure 4-3.Example Showing How To Display Help Using Password Security Connection Inactivity Time To set Manager and Operator passwords: Enter new password again To Delete Password Protection (Including Recovery from a Lost Password): Delete Password Protection Return to Main Menu Rebooting the Switch Figure 4-5.The Reboot Switch Option in the Main Menu Figure 4-6.Example of a Configuration Change Requiring a Reboot Using the Command Prompt Command Prompt Using HP TopTools To Monitor and Manage the Switch SNMP Management Features SNMP Configuration Process 1.From the Main Menu, select Switch Management Access Configuration RMON Extended RMON Configuring the Switch Configuration Features Support URL Management Server URL N o t e s : IP Configuration switch console web browser interface Configuring IP Address from the Web Browser Interface Page Configuring IP Address from the Switch Console How IP Addressing Affects Switch Operation DHCP/Bootp Operation DHCP Operation Bootp Operation /etc/bootptab Bootp Database Record Entries j3299switch: ha=080009123456: gw=11.22.33.1: lg=55.66.77.88: ts=11.22.33.55: T144=”switch.cfg”: Configuring DHCP/Bootp To configure the switch for DHCP/Bootp: DHCP/Bootp Globally Assigned IP Network Addresses Configuring SNMP Communities from the Switch Console To View, Edit, or Add SNMP Communities: 2.SNMP Community Names/Authorized Managers Figure 6-4.The SNMP Communities Screen (Default Values) Figure 6-5.The SNMP Add or Edit Screen Trap Receivers Send Authentication Traps 3.Trap Receivers Figure 6-6.The Trap Receivers Configuration Screen (Default Values) Community Events Console/Serial Link Using the Switch Console To Configure the Console/ Serial Link Configuring System Parameters from the Web Browser Interface Configuring System Information from the Console Port Settings Table 6-2.Port Settings Parameters Auto-Negotiation Note: Flow Control Note: IEEE 802.3 Flow Control Back pressure Configuring Port Parameters from the Web Browser Interface Configuring Port Parameters from the Switch Console Configuring Port Monitoring from the Web Browser Configuring Port Monitoring from the Switch Console Spanning Tree Protocol (STP) C a u t i o n Enabling STP from the Web Browser Interface Using the Switch Console To Configure STP How STP Operates IP Multicast (IGMP) Service Features— Multimedia Traffic Control Configuring IGMP from the Web Browser Interface Using the Switch Console To Configure IGMP To Access IGMP Service: 3.Switch Configuration 5.Advanced Features 1.IP Multicast (IGMP) Service Figure 6-18.Example of the IGMP Service Screen How IGMP Operates Role of the Switch Figure 6-19.The Advantage of Using IGMP Figure 6-20.Isolating IP Multicast Traffic in a Network Special Case IGMP Configuration 3. Switch Configuration 5. Advanced Features 1. IP Multicast (IGMP) Service Page Monitoring and Analyzing Switch Operation and Analyzing Operation Switch Console Status and Counters Menu 1. Status and Counters Figure 7-1.The Status and Counters Menu General System Information 1.Status and Counters 1.General System Information Figure 7-2.Example of General Switch Information Switch Management Address Information 2.Switch Management Address Information Figure 7-3.Example of Management Address Information Displaying Port Status from the Web Browser Interface Displaying Port Status from the Switch Console Port Counters Reset Displaying Port Counters from the Web Browser Displaying Port Counters from the Console Interface Page Address Table 5.Address Table Figure 7-9.Example of the Address Table earch Port Address Table 6.Port Address Table Figure 7-10.Example of How To Access the Port Address Table Figure 7-11.Example of a Port Address Table for a Specific Port Spanning Tree (STP) Information 7.Spanning Tree Information Figure 7-12.Example of Spanning Tree Information how ports Figure 7-13.Example of STP Port Information IP Multicast (IGMP) Status 8.Advanced Features Status 1.IP Multicast (IGMP) Status Figure 7-14.Example of IGMP Status Screen Page Page Troubleshooting Troubleshooting Approaches Web Browser Interface or Switch Console Access Problems Cannot access the web browser interface: Web Agent Enabled 2. Switch Management Address Information Cannot Telnet into the switch console from a station on the network: Unusual Network Activity General Problems The network runs slow; processes fail; users cannot access servers or Duplicate IP Addresses ip: Invalid ARP source: IP address on IP address IGMP-RelatedProblems IP Multicast (IGMP) Traffic Does Not Reach IGMP Hosts or a Multicast Router Connected to a Port IP Multicast Traffic Floods Out All Ports; IGMP Does Not Appear To Filter Traffic Using the Event Log to Identify Problem Sources 08/05/98 10:52:32 ports: Table 8-2.Event Log System Modules Entering and Navigating in the Event Log Display. From the Main 4. Event Log Figure 8-1.Example of an Event Log Display Next page Prev page End Table 8-2.Event Log Control Keys Ping and Link Tests Executing Ping or Link Tests from the Web Browser Interface Figure 8-3.Ping and Link Test Screen on the Web Browser Interface Successes Failures Number of Packets to Send Executing Ping or Link Tests from the Switch Console 5.Diagnostics 1.Link Test 2. Ping Test Figure 8-4.Examples of Link Test and Ping Test Screens Linktest Command Successful Linktest Command Timed out 12.10.8.207 is alive, iteration 1, time = 1 ms Ping Failed or Target did not Respond The Configuration File Browsing the Configuration File from the Switch Console 5.Diagnostics 3.Browse Configuration File Figure 8-6.Example of the Browse Configuration Display MORE Using the Command Prompt Restoring the Factory Default Configuration File Transfers Using TFTP To Download the OS File Method TFTP TFTP Server Figure 8-2.Example of the Download OS Screen During a Download Transfer completed Using Xmodem to Download the OS File Using the SNMP-BasedHP Download Manager Switch-to-SwitchDownload Troubleshooting TFTP Downloads Figure 8-3.Example of Message for TFTP Download Failure Page Transferring Switch Configurations Using Get and Put To Transfer a Configuration Between the Switch and a Networked PC or Unix Workstation 5. Diagnostics put IP_address CONFIG remote_file put CONFIG get IP_address CONFIG remote_file get 5.Diagnostics 4.Command Prompt xput config remote_file [pc/unix] xget config remote_file [pc/unix] [pc/unix] MAC Address Management Base MAC Address Switch Port MAC Addresses Page Index Index