IronPort Systems 4108GL Bedienungsanleitung Seite 340
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14-34
Port-Based Virtual LANs (VLANs) and GVRP
GVRP
Port-Based Virtual LANs
(VLANs) and GVRP
Table 14-2. Options for Handling “Unknown VLAN” Advertisements:
The CLI show gvrp command and the menu interface VLAN Support screen
show a switch’s current GVRP configuration, including the Unknown VLAN
settings.
Figure 14-22. Example of GVRP Unknown VLAN Settings
Unknown VLAN
Mode
Operation
Learn
(the Default)
Enables the port to dynamically join any VLAN for which it receives an
advertisement, and allows the port to advertise other other VLANs it knows.
Block Prevents the port from dynamically joining a VLAN that is not statically
configured on that port. The port will still forward advertisements that were
received by the switch on other ports. Block should typically be used on
ports in unsecure networks, where there is exposure to “attacks”, such as
ports where intruders can connect.
Disable Causes the port to ignore and drop all GVRP advertisements it receives and
also prevents the port from sending any GVRP advertisements.
GVRP Enabled
(Required for Unknown
VLAN operation.)
Unknown VLAN Settings
Default:
Learn
- HP Procurve Switch 4108GL 3
- Documentation 5
- Time Protocols 10
- Unauthorized Access 10
- Security 11
- Trunking 11
- HP Procurve Stack Management 13
- Spanning Tree Protocol (STP) 14
- Troubleshooting 15
- File Transfers 16
- MAC Address Management 16
- Selecting a Management 19
- Interface 19
- Advantages of Using the CLI 20
- Browser Interface 21
- Hubs & Switches 22
- Using the Menu Interface 25
- Main Menu Features 31
- Rebooting the Switch 36
- Menu Features List 38
- Where To Go From Here 39
- Accessing the CLI 42
- Using the CLI 42
- Privilege Levels at Logon 43
- Privilege Level Operation 44
- Manager Privileges 45
- How To Move Between Levels 47
- ? symbol lists the 48
- Using the Command Line 49
- Interface (CLI) 49
- Command Option Displays 50
- Using the CLI 52
- Configuration Modes 53
- CLI Control and Editing 56
- General Features 59
- Session with the Switch 61
- Using the HP Web Browser 63
- Interface Session 64
- Using the Passwords 67
- Using the User Names 67
- If You Lose a Password 68
- Support/Mgmt URLs Feature 69
- Support URL 70
- Status Reporting Features 72
- Port Utilization 73
- The Alert Log 76
- Alert Types 77
- The Status Bar 79
- Switch Memory and 85
- Using the CLI To Implement 86
- Configuration Changes 86
- Reboot Switch option 92
- Image Options 93
- OS Downloads 96
- Caution--No 98
- Operating Notes 101
- Chapter Contents 103
- Overview 104
- Web, and Inbound Telnet 105
- Interface Access 106
- Parameters 106
- System Information 107
- HP4108(config)# telnet-server 107
- Interface Access and 107
- ■ VT100 operation 108
- ■ 19,200 baud 108
- ■ No flow control 108
- ■ 10-minute inactivity time 108
- ■ Critical log events 108
- Configuring IP Addressing 117
- IP Configuration 119
- Just Want a Quick Start? 120
- Live (TTL) 121
- (TTL), and Timep 123
- DHCP/Bootp Operation 126
- Overview: Selecting a Time 133
- Time Protocol Operation 133
- Configuring 134
- – TIMEP 136
- Table 8-2.Timep Parameters 144
- SNTP Servers 150
- Address Prioritization 151
- Configured 153
- Contents 155
- Menu: Configuring Passwords 159
- Commands Used in This Section 160
- Using Passwords and 161
- General System Requirements 164
- Note on Privilege Levels 166
- Before You Begin 168
- Configuration 169
- Note on 174
- Encryption 174
- First-Choice TACACS+ Server 176
- How Authentication Operates 178
- Local Authentication Process 179
- Using the Encryption Key 180
- TACACS+ Authentication 182
- Messages 182
- Management Security 185
- Using Authorized IP 187
- Managers 187
- Using Authorized IP Managers 188
- Access Levels 189
- Building IP Masks 194
- Control and Port Trunking 199
- Ports: Traffic Control 201
- Port Trunking 208
- Trunk Configuration Methods 210
- Trunk Group 216
- Default Port Operation 225
- LACP Notes and Restrictions 226
- technol 227
- Applications 231
- Monitoring and Managing 233
- SNMP Communities 235
- Advanced Management: RMON 241
- Introduction 242
- CDP Terminology 243
- General CDP Operation 243
- Outgoing Packets 244
- Incoming CDP Packets 245
- Configuring CDP on the Switch 248
- Configuring CDP Operation 251
- Transmission 253
- Outbound CDP Packets 254
- HP Procurve Stack 263
- Management 263
- General Stacking Operation 264
- Operating Rules for Stacking 265
- Specific Rules 266
- Configure Stacking 272
- Auto Join and Transmission 274
- Interval 274
- – To change 276
- Save) to 278
- Back) to return to 280
- 4. Stack Management 280
- Monitoring Stack Status 285
- For status descriptions 286
- 9. Stacking 288
- Stacking 289
- listing 296
- MAC Address for 298
- Stack Commander 298
- Auto Join parameter 300
- The switch number 302
- (SN) for the “North 302
- Sea” switch is “3” 302
- Transmission Interval 304
- Status Messages 306
- Port-Based Virtual LANs 311
- (VLANs) and GVRP 311
- Switch 4108 312
- Overview of Using VLANs 313
- General Steps for Using VLANs 316
- Notes on Using VLANs 316
- An asterisk indicates 318
- VLANs setting 318
- Adding or Editing VLAN Names 319
- Example of a New 320
- VLAN and ID 320
- Creating the new VLAN 326
- Showing the result 326
- ■ Add VLANs 328
- ■ Rename VLANs 328
- ■ Remove VLANs 328
- ■ Configure GVRP mode 328
- ■ Select a new Primary VLAN 328
- VLAN Tagging Information 329
- ■ In switch X: 330
- ■ In switch Y: 330
- IP Interfaces 333
- VLAN MAC Addresses 334
- Port Trunks 334
- Port Monitoring 334
- VLAN Restrictions 335
- General Operation 337
- GVRP Enabled 340
- (Required for Unknown 340
- VLAN operation.) 340
- Unknown VLAN Settings 340
- Default: 340
- GVRP and VLAN Access Control 342
- Planning for GVRP Operation 343
- Configuring GVRP On a Switch 343
- GVRP Operating Notes 348
- Multimedia Traffic Control 353
- IGMP Terms 354
- Basic Operation 355
- Enhancements 355
- How IGMP Operates 361
- Automatic Fast-Leave IGMP 363
- Forced Fast-Leave IGMP 364
- Note on VLAN 365
- Numbers: 365
- Using the Switch as Querier 368
- Multicast Filtering 369
- Spanning Tree Protocol 373
- Menu: Configuring STP 374
- CLI: Configuring STP 375
- How STP Operates 379
- STP Fast Mode 380
- Status and Counters Data 387
- General System Information 389
- Menu Access 390
- CLI Access 390
- Module Information 391
- Port Status 392
- Control Status 393
- Monitoring and Analyzing 395
- Switch Operation 395
- Menu Access to STP Data 401
- CLI Access to STP Data 402
- VLAN Information 404
- Port Monitoring Features 407
- Troubleshooting Approaches 415
- Unusual Network Activity 418
- Troubleshooting CDP Operation 419
- IGMP-Related Problems 420
- Stacking-Related Problems 421
- TACACS-Related Problems 421
- VLAN-Related Problems 423
- ■ All events recorded 430
- Diagnostic Tools 431
- CLI: Ping or Link Tests 434
- Restoring a Flash Image 439
- Primary or Secondary Flash 450
- Switch-to-Switch Download 451
- Host, PC, or Unix Workstation 458
- Determining MAC Addresses 462
- Switches 467
- Daylight Savings Time on HP 469
- Procurve Switches 469
- Numerics 471
- 2 – Index 472
- Index – 3 473
- 4 – Index 474
- Index – 5 475
- 6 – Index 476
- Index – 7 477
- 8 – Index 478
- Index – 9 479
- 10 – Index 480
- Index – 11 481
- *5969-2378* 483
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