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Troubleshooting
Overview
Overview
This chapter addresses performance-related network problems that can be
caused by topology, switch configuration, and the effects of other devices or
their configurations on switch operation. (For switch-specific information on
hardware problems indicated by LED behavior, cabling requirements, and
other potential hardware-related problems, refer to the installation guide you
received with the switch.)
Note ProCurve periodically places switch software updates on the ProCurve Net-
working web site. ProCurve recommends that you check this web site for
software updates that may have fixed a problem you are experiencing.
For information on support and warranty provisions, see the Support and
Warranty booklet shipped with the switch.
C-3
- ProCurve Switches 1
- ProCurve 3
- Series 6400cl Switches 3
- Series 5300xl Switches 3
- Series 4200vl Switches 3
- Series 3400cl Switches 3
- 3 Using the Menu Interface 6
- 8 Configuring IP Addressing 9
- 9 Time Protocols 10
- Switches 12
- 13 Port Trunking 13
- Port Traffic Controls 14
- File Transfers 16
- C Troubleshooting 19
- D MAC Address Management 20
- Product Documentation 21
- Feature Index 22
- Getting Started 27
- Conventions 28
- Command Syntax Statements 29
- Command Prompts 29
- Sources for More Information 30
- Online Help 33
- Need Only a Quick Start? 34
- Network 35
- Advantages of Using the CLI 40
- Interface 41
- Using the Menu Interface 47
- Command Line (CLI) option.) 49
- Main Menu Features 53
- Menu Features List 60
- Where To Go From Here 61
- Accessing the CLI 64
- Using the CLI 64
- Privilege Levels at Logon 65
- Privilege Level Operation 66
- Manager Privileges 67
- How To Move Between Levels 69
- ? symbol lists the 70
- Listing Command Options 72
- Displaying CLI “Help” 73
- Configuration Modes 74
- [Enter]). (The tilde 79
- CLI Control and Editing 83
- General Features 87
- Session with the Switch 88
- ProCurve Manager Plus (PCM+) 89
- First-Time 90
- Install Alert 90
- Interface Session 91
- [Fault Detection] key.) 92
- Using a User Name 94
- If You Lose the Password 94
- The Help Button 95
- Support/Mgmt URLs Feature 96
- Support URL 97
- Status Reporting Features 100
- Port Utilization 101
- Port Status 103
- The Alert Log 104
- The Status Bar 106
- Contents 111
- Management 113
- Overview 113
- Using the CLI To Implement 116
- Configuration Changes 116
- Changes 119
- Image Options 123
- The unequal code 124
- Switch Software Downloads 125
- Caution: 127
- No Undo! 127
- Rebooting the Switch 128
- Operating Notes 131
- General Operation 134
- Configuration Enabled 137
- Command Page 139
- Serially Connected Host 148
- Connected Host 148
- Web, and Inbound Telnet 153
- Interface Access 154
- Parameters 154
- ■ VT100 operation 157
- ■ 19,200 baud 157
- ■ No flow control 157
- ■ 10-minute inactivity time 157
- ■ Critical log events 157
- Denying Interface Access by 158
- Sessions 158
- System Information 159
- (config)# time timezone -480 163
- [System Info] 164
- [Apply Changes] 164
- [?] in the web 164
- Configuring IP Addressing 165
- IP Configuration 166
- Live (TTL) 169
- [IP Configuration] 174
- DHCP/Bootp Operation 176
- ■ For Bootp operation: 178
- Downloads 179
- Enabling IP Preserve 180
- Time Protocols 183
- Operation 185
- Configuring 187
- – TIMEP (the default) 199
- – None 199
- Time Sync Method 202
- SNTP Servers 207
- Addresses Configured 210
- Port Parameters 212
- — Continued — 213
- Menu: Port Configuration 216
- Configure Port Mode 219
- Enables global flow control 222
- Configuring Auto-MDIX 225
- ■ Manual MDI 226
- ■ Manual MDI-X 226
- Per-Port MDI 227
- Configuration 227
- Operating Mode 227
- Friendly port names 231
- Ports Without 231
- “Friendly” 231
- Introduction 236
- PoE Terminology 237
- Overview of Operation 238
- Related Publications 238
- General PoE Operation 239
- PD Support 240
- Power Priority Operation 242
- Configuring PoE Operation 244
- • Detection Status: 251
- (204 – 15.4) ≥ w 255
- PoE Operating Notes 257
- for the Series 5300xl 261
- Terminology 264
- Module Operation 265
- Controller xl Module 267
- The Role of VLANs 272
- Client VLANs 272
- General Operating Rules 274
- Changing the VLAN-Base 278
- Configuring the Uplink VLAN 279
- Configuring Client VLANs 279
- Managing the ACM 287
- BIOS POST Event Log Messages 292
- Port Trunking 293
- Trunk Configuration Methods 297
- Trunk Group 301
- “Up” Links 306
- Standby Link 306
- [Port Status] 309
- Default Port Operation 312
- LACP Notes and Restrictions 313
- “Trunk” Option 316
- Trunked Links 317
- Rate-Limiting Operation 323
- Rate-Limiting 326
- ICMP Rate-Limiting 328
- Note on Testing 335
- GMB Operation 339
- Outbound Traffic 341
- GMB Operating Notes 344
- Jumbo Packets on the Series 345
- Operating Rules 346
- Troubleshooting 352
- Applications 353
- SNMP Management Features 356
- SNMP Version 3 Commands 358
- Enabling SNMPv3 359
- SNMPv3 Users 359
- Group Access Levels 362
- SNMPv3 Communities 363
- Two Operator Access Levels 364
- Advanced Management: RMON 374
- General LLDP Operation 379
- Configuration Options 380
- LLDP Operating Rules 383
- Configuring LLDP Operation 385
- LLDP Advertisements” 388
- ■ Chassis ID (TLV) 395
- ■ Port ID (TLV) 395
- ■ port description (TLV) 396
- ■ system name (TLV) 396
- ■ system description (TLV) 396
- ■ system capabilities (TLV) 396
- TLV-Type > 397
- 5300xl and 4200vl Switches 399
- LLDP-MED Fast Start Control 403
- Status and Location Data 404
- Advertisements 415
- (VoIP Telephone) Source 419
- Displaying LLDP Statistics 420
- LLDP Operating Notes 422
- LLDP and CDP Data Management 424
- CDP Operation and Commands 426
- ■ show cdp displays 429
- Downloading Switch Software 433
- [Enter] to begin 436
- Using Secure Copy and SFTP 438
- How It Works 439
- The SCP/SFTP Process 440
- Command Options 443
- Authentication 444
- SCP/SFTP Operating Notes 444
- Switch-to-Switch Download 448
- ACL Command Files 453
- [Enter] 457
- Status and Counters Data 466
- General System Information 467
- CLI Access 468
- Menu Access 468
- Module Information 470
- Control Status 472
- Statistics 474
- [Enter]. The address 476
- Prompt for Selecting 477
- Menu Access to STP Data 479
- CLI Access to STP Data 480
- VLAN Information 482
- [E] (for Edit) 486
- [Y]) to select Yes 486
- Use the Space bar to 487
- Monitoring 488
- Monitored Ports 489
- Troubleshooting Approaches 496
- Unusual Network Activity 499
- ACL Problems 500
- IGMP-Related Problems 505
- LACP-Related Problems 505
- Mesh-Related Problems 506
- QoS-Related Problems 510
- Radius-Related Problems 510
- Problems 511
- SSH-Related Problems 512
- TACACS-Related Problems 514
- VLAN-Related Problems 516
- Problem: This switch detects 518
- Sources 519
- Range of Events in the Log 521
- Log Status Line 521
- CLI: Listing Events 522
- Messages 523
- ■ ACL “deny” matches 526
- ■ Up to six Syslog servers 526
- Debug Command Operation 527
- Debug Types 528
- Debug Destinations 530
- Syslog Operation 531
- Diagnostic Tools 537
- CLI: Ping or Link Tests 540
- [Configuration Report] 542
- ■ IP routes 543
- ■ GVRP support 543
- Traceroute Command 545
- Restoring a Flash Image 550
- MAC Address Management 553
- Determining MAC Addresses 555
- Viewing the MAC Addresses of 560
- Connected Devices 560
- ■ Alaska 561
- ■ Canada and Continental US 561
- ■ Southern Hemisphere 561
- ■ Western Europe 561
- Symbols 565
- Numerics 565
- 2 – Index 566
- Index – 3 567
- 4 – Index 568
- Index – 5 569
- 6 – Index 570
- Index – 7 571
- 8 – Index 572
- Index – 9 573
- 10 – Index 574
- Index – 11 575
- 12 – Index 576
- Index – 13 577
- 14 – Index 578
- 5990-6050 580
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