SMC Networks SMC8624/48T Manual do Utilizador Página 297
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S
YSTEM
M
ANAGEMENT
C
OMMANDS
4-53
Related Commands
ip ssh crypto zeroize (4-53)
ip ssh save host-key (4-54)
ip ssh crypto zeroize
Use this command to clear the host key from memory (i.e. RAM).
Syntax
ip ssh crypto zeroize [dsa | rsa]
• dsa – DSA key type.
• rsa – RSA key type.
Default Setting
Clears both the DSA and RSA key.
Command Mode
Privileged Exec
Command Usage
• This command clears the host key from volatile memory (RAM). Use
the no ip ssh save host-key command to clear the host key from flash
memory.
• The SSH server must be disabled before you can execute this
command.
Example
Related Commands
ip ssh crypto host-key generate (4-52)
ip ssh save host-key (4-54)
no ip ssh server (4-48)
Console#ip ssh crypto zeroize dsa
Console#
- TigerSwitch 10/100/1000 1
- Management Guide 3
- NTRODUCTION 25
- Table 1-1. Key Features 26
- ESCRIPTION 27
- System Defaults 31
- Table 1-2. System Defaults 32
- Required Connections 36
- ONNECTING 37
- Basic Configuration 38
- Setting Passwords 39
- Setting an IP Address 40
- Dynamic Configuration 41
- Community Strings 43
- Saving Configuration Settings 45
- Managing System Files 46
- AVIGATING 51
- Table 3-2. Main Menu 53
- Manual Configuration 67
- Using DHCP/BOOTP 68
- Managing Firmware 70
- Resetting the System 74
- Setting the System Clock 75
- User Authentication 81
- Configuring HTTPS 86
- Configuring the Secure Shell 89
- Generating the Host Key Pair 91
- Generate 93
- Configuring the SSH Server 94
- Configuring Port Security 96
- ONFIGURING 100
- Command Attributes 101
- UTHENTICATION 105
- Console(config-if)# 106
- Table 3-4. 802.1x Statistics 107
- Access Control Lists 108
- Command Usage 109
- Setting the ACL Name and Type 109
- Configuring a Standard IP ACL 111
- Console(config-std-acl)# 115
- Console(config-mac-acl)# 117
- Configuring ACL Masks 118
- Configuring an IP ACL Mask 119
- Configuring a MAC ACL Mask 122
- Filtering Management Access 126
- Port Configuration 128
- Field Attributes (CLI) 129
- Basic information: 129
- Configuration: 129
- Current status: 130
- ONFIGURATION 131
- Creating Trunk Groups 134
- Configuring LACP Parameters 139
- Displaying LACP Port Counters 142
- Counter Information 142
- Table 3-6. LACP Settings 144
- Configuring Port Mirroring 151
- Configuring Rate Limits 152
- Command Attribute 153
- Showing Port Statistics 154
- Table 3-8. Port Statistics 155
- Address Table Settings 160
- Displaying the Address Table 162
- Changing the Aging Time 163
- LGORITHM 165
- Field Attributes 166
- Displaying Interface Settings 174
- VLAN Configuration 189
- Assigning Ports to VLANs 190
- VA: VLAN Aware 191
- VU: VLAN Unaware 191
- Displaying Current VLANs 195
- Command Attributes (CLI) 196
- Creating VLANs 197
- Configuring Private VLANs 206
- Configuring Protocol Groups 208
- Mapping Protocols to VLANs 209
- Multicast Filtering 229
- ULTICAST 233
- ILTERING 233
- Figure 3-85. Configuring DNS 240
- Web – Select DNS, Cache 244
- NTERFACE 245
- Telnet Connection 246
- Entering Commands 248
- Command Completion 249
- Getting Help on Commands 249
- Showing Commands 250
- Table 4-1. Command Modes 252
- Configuration Commands 253
- Command Line Processing 255
- Command Groups 256
- Line Commands 258
- Console(config)#line console 259
- Console(config-line)# 259
- General Commands 270
- Console>enable 271
- Console# 271
- Console(config)#exit 275
- Console#exit 275
- Press ENTER to start session 275
- User Access Verification 275
- Username: 275
- System Management Commands 276
- Device Designation Commands 277
- User Access Commands 278
- ANAGEMENT 279
- IP Filter Commands 281
- Web Server Commands 284
- Secure Shell Commands 289
- Console#show ssh 299
- Table 4-13. SSH Information 300
- Event Logging Commands 302
- Name Level Description 304
- SMTP Alert Commands 309
- Time Commands 314
- System Status Commands 321
- Example 323
- Related Commands 323
- Frame Size Commands 328
- Flash/File Commands 329
- Authentication Commands 337
- RADIUS Client 339
- TACACS+ Client 343
- Port Security Commands 346
- 802.1x Port Authentication 348
- Access Control List Commands 358
- IP ACLs 360
- Table 4-27. IP ACL Commands 361
- Console(config-ext-acl)# 366
- permit host 10.1.1.21 367
- IP ingress mask ACL: 373
- mask host any 373
- mask 255.255.255.0 any 373
- Priority01234567 375
- Queue12034567 375
- Table 4-28. MAC ACL Commands 379
- Console#show mac access-list 383
- MAC access-list jerry: 383
- Console#show mac access-group 389
- Interface ethernet 1/5 389
- MAC access-list M5 out 389
- ACL Information 392
- SNMP Commands 393
- Console(config)# 395
- DNS Commands 401
- Console(config)#clear host * 403
- Command Mode 410
- Privileged Exec 410
- Interface Commands 412
- Mirror Port Commands 428
- Rate Limit Commands 430
- Link Aggregation Commands 432
- GGREGATION 433
- Address Table Commands 445
- Aging time: 300 sec 449
- Spanning Tree Commands 450
- 452
- Console(config-mstp)# 459
- VLAN Commands 476
- Console(config)#vlan database 477
- Console(config-vlan)# 477
- Configuring VLAN Interfaces 479
- Displaying VLAN Information 487
- Console(config)#pvlan 494
- XTENSION 495
- Priority Commands 500
- Priority Commands (Layer 2) 501
- Queue01234567 505
- Priority20134567 505
- Default Setting 508
- Console(config)#map ip port 509
- IP Precedence Value 01234567 511
- CoS Value 01234567 511
- Multicast Filtering Commands 517
- IGMP Query Commands (Layer 2) 522
- IP Interface Commands 529
- PECIFICATIONS 537
- Management Features 539
- Standards 539
- Management Information Bases 540
- ROUBLESHOOTING 541
- Glossary-1 543
- Glossary-2 544
- Glossary-3 545
- Glossary-4 546
- Glossary-5 547
- Glossary-6 548
- Glossary-7 549
- Glossary-8 550
- Numerics 551
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