HP ProCurve 2650

HP ProCurve 2650

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C-13

Troubleshooting

Unusual Network Activity

Figure C-2. Examples of Global and Unique Encryption Keys

Global RADIUS Encryption Key

Unique RADIUS Encryption Key

for the RADIUS server at

10.33.18.119

!Software.book Page 13 Thursday, October 10, 2002 6:10 PM

Table of Contents

Default Chapter5
- Default Chapter5
- Getting Started18
- Introduction18
- Conventions18
- Related Publications20
- Getting Documentation from the Web21
- Sources for more Information22
- Need Only a Quick Start23
  - To Set up and Install the Switch in Your Network23
  - Selecting25
1 Selecting a Management Interface26
- Overview26
- Understanding Management Interfaces26
- Advantages of Using the Menu Interface27
- Advantages of Using the CLI28
- Advantages of Using the HP Web Browser Interface29
- Advantages of Using HP Toptools for Hubs & Switches30
2 Using the Menu Interface34
- Overview34
- Starting and Ending a Menu Session35
- Main Menu Features39
- Screen Structure and Navigation41
- Rebooting the Switch44
- Menu Features List46
- Where to Go from here47
3 Using the Command Line Interface (CLI)49
- Contents49
- Overview50
- Accessing the CLI50
- Using the CLI50
- CLI Control and Editing64
4 Using the HP Web Browser Interface65
- Contents65
- Overview66
- General Features67
  - Enable/Disable67
- Starting an HP Web Browser Interface Session with the Switch68
  - Using a Standalone Web Browser in a PC or UNIX Workstation68
  - Using HP Toptools for Hubs & Switches69
- Tasks for Your First HP Web Browser Interface Session71
  - Viewing the "First Time Install" Window71
    - Creating Usernames and Passwords in the Browser Interface72
    - Online Help for the HP Web Browser Interface75
- Support/Mgmt Urls Feature76
  - Support URL77
  - Help and the Management Server URL77
- Status Reporting Features79
5 Switch Memory and Configuration89
- Contents89
- Overview90
- Overview of Configuration File Management90
- Using the CLI to Implement Configuration Changes92
  - Configuration Changes92
- Using the Menu and Web Browser Interfaces to Implement Configuration Changes96
  - Menu: Implementing Configuration Changes96
  - Web: Implementing Configuration Changes99
- Using Primary and Secondary Flash Image Options100
6 Interface Access, System Information, and Friendly Port Names109
- Contents109
- Overview110
- Interface Access: Console/Serial Link, Web, and Inbound Telnet111
- Denying Interface Access by Terminating Remote Management116
- Sessions116
- System Information117
- Using Friendly (Optional) Port Names123
7 Configuring IP Addressing129
- Contents129
- Overview130
- IP Configuration131
- IP Preserve: Retaining VLAN-1 IP Addressing Across Configuration142
- Globally Assigned IP Network Addresses146
8 Time Protocols147
- Contents147
- Overview148
  - Timep Time Synchronization148
  - SNTP Time Synchronization148
- Overview: Selecting a Time Synchronization Protocol or Turning off Time Protocol Operation149
  - General Steps for Running a Time Protocol on the Switch149
  - Disabling Time Synchronization150
- SNTP: Viewing, Selecting, and Configuring150
- Timep: Viewing, Selecting, and Configuring159
- SNTP Unicast Time Polling with Multiple SNTP Servers167
- SNTP Messages in the Event Log169
9 Optimizing Traffic Flow with Port Controls, Port Trunking, and Port-Based Priority171
- Contents171
- Overview172
- Viewing Port Status and Configuring Port Parameters172
- Port Trunking180
- Configuring Port-Based Priority for Incoming Packets204
10 Configuring for Network Management Applications209
- Contents209
- Using SNMP Tools to Manage the Switch210
11 Port-Based Virtual Lans (Vlans) and GVRP239
- Contents239
- Overview240
- Port-Based Virtual Lans (Static Vlans)241
12 Multimedia Traffic Control with IP Multicast (IGMP)287
- Contents287
- Overview288
- General Operation and Features289
13 802.1W Rapid Spanning Tree Protocol (RSTP)307
- Contents307
- Overview308
- How Spanning Tree Operates310
  - Spanning Tree Options: RSTP (802.1W) and STP (802.1D)311
- Configuring Rapid Reconfiguration Spanning Tree (RSTP)313
- Spanning-Tree Protocol (STP)325
- Web: Enabling or Disabling STP347
14 HP Procurve Stack Management349
- Contents349
- Overview350
- Operation351
15 IP Routing Features396
- Overview of IP Routing396
- Overview418
- Downloading Switch Software418
- Troubleshooting TFTP Downloads428
- Transferring Switch Configurations429
- Copying Diagnostic Data to a Remote Host, PC, or432
- Unix Workstation432
- Overview436
  - Status Overview Screen436
- Status and Counters Data437
- Port and Static Trunk Monitoring Features457
- Overview464
100 C Troubleshooting464
- Troubleshooting Approaches464
  - Troubleshooting Approaches465
  - Diagnostics Tools465
- Browser or Telnet Access Problems466
- Unusual Network Activity468
- Using the Event Log to Identify Problem Sources483
- Diagnostic Tools487
- Restoring the Factory-Default Configuration495
- Restoring a Flash Image496
- Contents499
500 D MAC Address Management499
- Overview499
- Determining MAC Addresses500
E Daylight Savings Time on HP Procurve Switches505
Index509

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