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ES-3124 User’s Guide
Chapter 27 Access Control 205
Figure 95 How SSH Works
1 Host Identification
The SSH client sends a connection request to the SSH server. The server identifies itself
with a host key. The client encrypts a randomly generated session key with the host key
and server key and sends the result back to the server.
The client automatically saves any new server public keys. In subsequent connections,
the server public key is checked against the saved version on the client computer.
2 Encryption Method
Once the identification is verified, both the client and server must agree on the type of
encryption method to use.
3 Authentication and Data Transmission
After the identification is verified and data encryption activated, a secure tunnel is
established between the client and the server. The client then sends its authentication
information (user name and password) to the server to log in to the server.
27.6 SSH Implementation on the Switch
Your switch supports SSH version 2 using RSA authentication and three encryption methods
(DES, 3DES and Blowfish). The SSH server is implemented on the switch for remote
management and file transfer on port 22. Only one SSH connection is allowed at a time.
- User’s Guide 1
- Copyright 3
- Certifications 4
- Certifications 3 5
- Safety Warnings 6
- Safety Warnings 5 7
- ZyXEL Limited Warranty 8
- Customer Support 9
- ES-3124 User’s Guide 10
- 8 Customer Support 10
- Table of Contents 11
- Chapter 36 19
- Chapter 37 19
- Appendix A 21
- Appendix B 21
- 20 Table of Contents 22
- List of Figures 23
- 24 List of Figures 26
- List of Tables 27
- 28 List of Tables 30
- About This User's Guide 31
- Related Documentation 31
- Syntax Conventions 31
- Graphics Icons Key 32
- User Guide Feedback 32
- CHAPTER 1 33
- IP Protocols 36
- System Monitoring 36
- Security 36
- Bandwidth Control 36
- Quality of Service 36
- 1.3 Hardware Features 37
- 1.4 Applications 37
- 1.4.1 Backbone Application 38
- 1.4.2 Bridging Example 38
- CHAPTER 2 43
- 2.2.1.1 Precautions 44
- CHAPTER 3 47
- 3.1.1 Console Port 48
- 3.1.2 Ethernet Ports 48
- 3.1.3 Mini-GBIC Slots 49
- 3.2 Rear Panel 50
- 3.3 Front Panel LEDs 51
- CHAPTER 4 53
- 4.3 The Status Screen 54
- 4.4 Menu Overview 55
- 4.6 Switch Lockout 59
- 4.7 Resetting the Switch 60
- 4.9 Help 62
- CHAPTER 5 63
- 5.1.2 Setting Port VID 65
- CHAPTER 6 67
- Figure 25 Status 68
- Table 6 Status 68
- Table 6 Status (continued) 69
- CHAPTER 7 73
- 72 Chapter 7 Basic Setting 74
- Figure 27 System Info 74
- Table 8 System Info 74
- 7.3 General Setup 75
- 74 Chapter 7 Basic Setting 76
- Figure 28 General Setup 76
- Table 9 General Setup 76
- 7.4 Introduction to VLANs 77
- 7.5 Switch Setup Screen 78
- Chapter 7 Basic Setting 77 79
- 7.6 IP Setup 80
- Chapter 7 Basic Setting 79 81
- Figure 30 IP Setup 81
- 80 Chapter 7 Basic Setting 82
- Table 11 IP Setup 82
- 7.7 Port Setup 83
- 82 Chapter 7 Basic Setting 84
- Figure 31 Port Setup 84
- Table 12 Port Setup 84
- Chapter 7 Basic Setting 83 85
- 84 Chapter 7 Basic Setting 86
- CHAPTER 8 87
- 8.2.1 GARP 88
- 8.2.2 GVRP 88
- 8.3 Port VLAN Trunking 89
- 8.4 Select the VLAN Type 89
- 8.5 Static VLAN 90
- 8.5.2 Static VLAN Details 91
- 90 Chapter 8 VLAN 92
- Chapter 8 VLAN 91 93
- 92 Chapter 8 VLAN 94
- Table 16 VLAN: Static VLAN 94
- Chapter 8 VLAN 93 95
- 94 Chapter 8 VLAN 96
- 8.6 Protocol Based VLANs 97
- 96 Chapter 8 VLAN 98
- Chapter 8 VLAN 97 99
- 98 Chapter 8 VLAN 100
- Chapter 8 VLAN 99 101
- 100 Chapter 8 VLAN 102
- Chapter 8 VLAN 101 103
- 102 Chapter 8 VLAN 104
- CHAPTER 9 105
- CHAPTER 10 107
- 106 Chapter 10 Filtering 108
- CHAPTER 11 109
- 11.1.2 How STP Works 110
- 11.1.3 STP Port States 110
- 11.1.4 Multiple RSTP 111
- Figure 50 MRSTP: Status 119
- CHAPTER 12 121
- Table 29 Bandwidth Control 122
- CHAPTER 13 125
- CHAPTER 14 129
- 128 Chapter 14 Mirroring 130
- Figure 53 Mirroring 130
- Chapter 14 Mirroring 129 131
- Table 31 Mirroring 131
- 130 Chapter 14 Mirroring 132
- CHAPTER 15 133
- 15.2.1 Link Aggregation ID 134
- CHAPTER 16 139
- Table 36 Supported VSA 140
- CHAPTER 17 145
- 144 Chapter 17 Port Security 146
- Figure 60 Port Security 146
- Table 40 Port Security 146
- Chapter 17 Port Security 145 147
- 146 Chapter 17 Port Security 148
- CHAPTER 18 149
- 148 Chapter 18 Classifier 150
- Figure 61 Classifier 150
- Table 41 Classifier 150
- Chapter 18 Classifier 149 151
- 18.4 Classifier Example 153
- 152 Chapter 18 Classifier 154
- CHAPTER 19 155
- 147 for more information 156
- Chapter 19 Policy Rule 155 157
- Table 45 Policy 157
- 156 Chapter 19 Policy Rule 158
- 19.4 Policy Example 159
- 158 Chapter 19 Policy Rule 160
- Figure 66 Policy Example 160
- CHAPTER 20 161
- 20.2 Configuring Queuing 162
- Chapter 20 Queuing Method 161 163
- Figure 67 Queuing Method 163
- 162 Chapter 20 Queuing Method 164
- Table 47 Queuing Method 164
- CHAPTER 21 165
- 21.3 VLAN Tag Format 166
- 21.3.1 Frame Format 167
- 166 Chapter 21 VLAN Stacking 168
- Figure 69 VLAN Stacking 168
- Chapter 21 VLAN Stacking 167 169
- Table 51 VLAN Stacking 169
- 168 Chapter 21 VLAN Stacking 170
- CHAPTER 22 171
- 22.2 Multicast Status 172
- 22.3 Multicast Setting 172
- Multicast Setting 173
- 172 Chapter 22 Multicast 174
- Table 53 Multicast Setting 174
- 22.4 IGMP Filtering Profile 175
- 174 Chapter 22 Multicast 176
- 22.5 MVR Overview 177
- 22.5.3 How MVR Works 178
- Chapter 22 Multicast 177 179
- Figure 74 MVR 179
- 178 Chapter 22 Multicast 180
- Table 55 MVR 180
- Chapter 22 Multicast 179 181
- 180 Chapter 22 Multicast 182
- Chapter 22 Multicast 181 183
- 182 Chapter 22 Multicast 184
- CHAPTER 23 185
- 184 Chapter 23 DHCP Relay 186
- Figure 80 DHCP Relay 186
- Table 57 DHCP Relay 186
- CHAPTER 24 187
- 186 Chapter 24 Static Route 188
- CHAPTER 25 189
- Figure 82 DiffServ 190
- 25.3 Configure DSCP Setting 191
- Figure 83 DiffServ 192
- Table 60 Static Routing 192
- CHAPTER 26 193
- 26.2 Load Factory Defaults 194
- 26.3 Save Configuration 194
- 26.4 Reboot System 195
- 26.5 Firmware Upgrade 195
- 194 Chapter 26 Maintenance 196
- 26.8 FTP Command Line 197
- 26.8.3 GUI-based FTP Clients 199
- 26.8.4 FTP Restrictions 199
- 198 Chapter 26 Maintenance 200
- CHAPTER 27 201
- 27.3 About SNMP 202
- 27.3.1 Supported MIBs 203
- 27.3.2 SNMP Traps 203
- 27.3.3 Configuring SNMP 204
- Chapter 27 Access Control 203 205
- 27.4 SSH Overview 206
- 27.5 How SSH works 206
- Chapter 27 Access Control 205 207
- Figure 95 How SSH Works 207
- 27.7 Introduction to HTTPS 208
- 27.8 HTTPS Example 209
- 27.8.3 The Main Screen 210
- Chapter 27 Access Control 209 211
- 210 Chapter 27 Access Control 212
- Chapter 27 Access Control 211 213
- 212 Chapter 27 Access Control 214
- CHAPTER 28 215
- 214 Chapter 28 Diagnostic 216
- CHAPTER 29 217
- 29.3 Syslog Server Setup 218
- Chapter 29 Syslog 217 219
- 218 Chapter 29 Syslog 220
- CHAPTER 30 221
- CHAPTER 31 229
- 228 Chapter 31 MAC Table 230
- Figure 113 MAC Table 230
- Table 78 MAC Table 230
- CHAPTER 32 231
- 230 Chapter 32 ARP Table 232
- Figure 114 ARP Table 232
- Table 79 ARP Table 232
- CHAPTER 33 233
- Table 80 Configure Clone 234
- CHAPTER 34 235
- 34.3 The Login Screen 236
- 34.5 Changing the Password 237
- 34.6 Privilege Levels 237
- 34.7 Command Modes 238
- 34.8 Getting Help 239
- 34.9 Using Command History 241
- 34.11 Command Summary 242
- 34.11.2 Enable Mode 243
- Note: All previously 257
- MAC addresses are 257
- MAC address table 257
- 34.11.5 config-vlan Commands 265
- 34.11.6 mvr Commands 266
- CHAPTER 35 269
- 35.2.2 show ip 270
- 35.2.3 show logging 270
- 35.2.4 show interface 270
- 35.3 ping 272
- 35.4 traceroute 272
- 35.5 Copy Port Attributes 273
- CHAPTER 36 277
- 36.2 Configure IGMP Filter 278
- 36.3 Enabling STP 279
- 36.4 no Command Examples 281
- 36.4.4.1 no trunk 282
- 36.4.4.3 no ssh 283
- 36.5 Queuing Method Commands 284
- 36.6 Static Route Commands 284
- 36.7 Enabling MAC Filtering 285
- 36.8 Enabling Trunking 286
- CHAPTER 37 291
- 37.2.3 broadcast-limit 292
- 37.2.4 bandwidth-limit 292
- 37.2.5 mirror 293
- 37.2.6 gvrp 294
- 37.2.7 ingress-check 294
- 37.2.8 frame-type 295
- 37.2.9 weight 295
- 37.2.10 egress set 296
- 37.2.11 qos priority 296
- 37.2.12 name 297
- 37.2.13 speed-duplex 297
- 37.2.14 test 297
- 37.3.1 no bandwidth-limit 298
- CHAPTER 38 299
- 38.2.1 GARP Status 300
- 38.2.2 GARP Timer 300
- 38.3 Port VLAN Commands 301
- 38.3.1 Set Port VID 302
- 38.3.4 Modify Static VLAN 303
- 38.4 Enable VLAN 304
- 38.5 Disable VLAN 305
- 38.6 Show VLAN Setting 305
- CHAPTER 39 307
- CHAPTER 40 309
- Figure 117 Pop-up Blocker 310
- Figure 119 Internet Options 312
- 40.2.1.2 JavaScripts 313
- 3 Scroll down to Scripting 314
- 40.2.1.3 Java Permissions 315
- 40.2.1.3.1 JAVA (Sun) 316
- Figure 124 Java (Sun) 317
- APPENDIX A 319
- APPENDIX B 323
- Subnet Masks 325
- Subnetting 325
- Example: Two Subnets 326
- Example: Four Subnets 327
- Example Eight Subnets 328
- Table 105 Eight Subnets 329
- Numerics 331
- 330 Index 332
- Index 331 333
- 332 Index 334
- Index 333 335
- 334 Index 336
- Index 335 337
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