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Authentication Commands
4-109
4
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 (4-108)
ip ssh save host-key (4-109)
no ip ssh server (4-105)
ip ssh save host-key
This command saves host key from RAM to flash memory.
Syntax
ip ssh save host-key [dsa | rsa]
• dsa – DSA key type.
• rsa – RSA key type.
Default Setting
Saves both the DSA and RSA key.
Command Mode
Privileged Exec
Example
Related Commands
ip ssh crypto host-key generate (4-108)
show ip ssh
This command displays the connection settings used when authenticating client
access to the SSH server.
Command Mode
Privileged Exec
Console#ip ssh crypto zeroize dsa
Console#
Console#ip ssh save host-key dsa
Console#
- MANAGEMENT GUIDE 1
- TigerSwitch 10/100/1000 3
- Management Guide 3
- About This Guide 5
- Contents 22
- Chapter 1: Introduction 31
- Introduction 32
- System Defaults 36
- Connecting to the Switch 39
- Required Connections 40
- Basic Configuration 41
- Setting Passwords 42
- Setting an IP Address 42
- Dynamic Configuration 43
- Initial Configuration 44
- Trap Receivers 45
- Managing System Files 46
- Saving Configuration Settings 47
- Using the Web Interface 49
- Home Page 50
- Configuration Options 51
- Panel Display 51
- Main Menu 52
- Manual Configuration 65
- Using DHCP/BOOTP 66
- Enabling Jumbo Frames 67
- Managing Firmware 68
- Console Port Settings 72
- Telnet Settings 74
- Configuring Event Logging 76
- Remote Log Configuration 77
- Displaying Log Messages 79
- Simple Mail Transfer Protocol 79
- Renumbering the System 81
- Resetting the System 82
- Setting the System Clock 83
- Setting the Time Zone 84
- Console(config)# 85
- Enabling the SNMP Agent 87
- Setting the Local Engine ID 91
- Specifying a Remote Engine ID 92
- Configuring SNMPv3 Users 93
- Configuring SNMPv3 Groups 97
- Configuring the Switch 100
- Setting SNMPv3 Views 100
- User Authentication 102
- Configuring Encryption Keys 107
- Configuring AAA Accounting 111
- AAA Accounting Update 113
- AAA Accounting Exec Settings 116
- AAA Accounting Summary 116
- Authorization Settings 118
- Authorization EXEC Settings 119
- Authorization Summary 120
- Configuring HTTPS 121
- Generating the Host Key Pair 125
- Configuring the SSH Server 127
- Displaying 802.1X Statistics 134
- General Security Measures 137
- Configuring Port Security 138
- Access Control Lists 139
- Setting the ACL Name and Type 140
- Configuring a Standard IP ACL 141
- Configuring a MAC ACL 144
- DHCP Snooping 149
- DHCP Snooping Configuration 150
- IP Source Guard 155
- Port Configuration 160
- Creating Trunk Groups 164
- Displaying LACP Port Counters 170
- Configuring Rate Limits 177
- Showing Port Statistics 178
- Power Over Ethernet Settings 182
- Switch Power Status 183
- Setting a Switch Power Budget 184
- Displaying Port Power Status 184
- Configuring Port PoE Power 185
- Address Table Settings 187
- Displaying the Address Table 188
- Changing the Aging Time 189
- Console(config-mst)# 207
- VLAN Configuration 212
- Assigning Ports to VLANs 213
- Displaying Current VLANs 217
- Creating VLANs 218
- Configuring Private VLANs 232
- Enabling Private VLANs 232
- Protocol VLANs 233
- Mapping Protocols to VLANs 235
- Layer 2 Queue Settings 237
- Priority 239
- 15. CLI shows Queue ID 239
- Selecting the Queue Mode 241
- Layer 3/4 Priority Settings 243
- Mapping IP Precedence 244
- Mapping DSCP Priority 245
- Mapping IP Port Priority 247
- Quality of Service 248
- Configuring a Class Map 249
- Creating QoS Policies 252
- Multicast Filtering 256
- Enabling IGMP Immediate Leave 260
- IGMP Filtering and Throttling 266
- Multicast VLAN Registration 271
- Figure 3-137 DNS Cache 283
- Switch Clustering 284
- Cluster Member Configuration 286
- SMC8126PL2-F 287
- Cluster Candidate Information 288
- Accessing the CLI 289
- Console Connection 289
- Telnet Connection 290
- Entering Commands 291
- Showing Commands 292
- Partial Keyword Lookup 293
- Using Command History 293
- Understanding Command Modes 294
- Exec Commands 294
- Configuration Commands 295
- Command Line Interface 296
- Command Line Processing 297
- Command Groups 298
- General Commands 299
- System Management Commands 304
- System Status Commands 305
- Frame Size Commands 311
- File Management Commands 312
- Line Commands 319
- Event Logging Commands 328
- SMTP Alert Commands 335
- Time Commands 339
- Switch Cluster Commands 344
- SNMP Commands 349
- Authentication Commands 364
- Authentication Sequence 368
- RADIUS Client 371
- TACACS+ Client 374
- AAA Commands 378
- Web Server Commands 387
- Telnet Server Commands 390
- Secure Shell Commands 391
- 802.1X Port Authentication 400
- Management IP Filter Commands 409
- Port Security Commands 412
- DHCP Snooping Commands 419
- IP Source Guard Commands 427
- Access Control List Commands 431
- MAC ACLs 437
- ACL Information 442
- Interface Commands 443
- Link Aggregation Commands 455
- Mirror Port Commands 466
- RSPAN Mirroring Commands 468
- Rate Limit Commands 473
- Power over Ethernet Commands 474
- Address Table Commands 480
- Spanning Tree Commands 484
- 485
- VLAN Commands 503
- Editing VLAN Groups 508
- Configuring VLAN Interfaces 510
- Displaying VLAN Information 516
- Class of Service Commands 532
- Quality of Service Commands 545
- Multicast Filtering Commands 554
- IGMP Query Commands (Layer 2) 559
- Domain Name Service Commands 578
- IP Interface Commands 585
- Software Features 591
- Management Features 592
- Standards 592
- Management Information Bases 593
- Software Specifications 594
- Appendix B: Troubleshooting 595
- Using System Logs 596
- Glossary 597
- Glossary-8 604
- Numerics 605
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