Qtech QSW-2800 Инструкция по настройке User Manual Page 252
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range 192.168.102.51 192.168.102.80;
default-lease-time 43200; #12 Hours
max-lease-time 86400; #24 Hours
allow members of "Switch1Vlan1Class1";
}
}
Now, the DHCP server will allocate addresses for the network nodes from Switch1 within the
range of 192.168.102.51 ~ 192.168.102.80.
33.4 DHCP Snooping option 82
Troubleshooting
To implement the option 82 function of DHCP SNOOPING, the “debug ip dhcp snooping
packet” command can be used during the operating procedure, including adding the option 82
information of the request message, the option 82 information peeled by the reply message.
- Content 1
- Chapter 1 Switch Management 15
- Opening HyperTerminal 17
- 1.1.2 In-band Management 18
- 1.1.2.2 Management via HTTP 20
- Run HTTP Protocol 21
- 1.2 CLI Interface 22
- 1.2.1 Configuration Modes 23
- 1.2.1.3 Global Mode 24
- 1.2.2 Configuration Syntax 25
- 1.2.3 Shortcut Key Support 26
- 1.2.4 Help Function 26
- 1.2.5 Input Verification 27
- 1.2.6 Fuzzy Match Support 27
- 2.1 Basic Configuration 29
- 2.2 Telnet Management 30
- 2.2.1 Telnet 30
- 2.2.2 SSH 32
- 2.4 SNMP Configuration 35
- 2.4.1 Introduction to SNMP 35
- 2.4.2 Introduction to MIB 36
- 2.4.3 Introduction to RMON 37
- 2.4.4 SNMP Configuration 37
- 2.4.6 SNMP Troubleshooting 41
- 2.5 Switch Upgrade 42
- 2.5.1 Switch System Files 42
- 2.5.2 BootROM Upgrade 42
- 2.5.3 FTP/TFTP Upgrade 45
- Configuration Sequence 54
- 3.3 Examples of Cluster 57
- Administration 57
- 3.4 Cluster Administration 58
- Chapter 4 Port Configuration 59
- Port Configuration Example 61
- 4.4 Port Troubleshooting 62
- 6.2 Port Loopback Detection 66
- 6.3 Port Loopback Detection 67
- Function Example 67
- 6.4 Port Loopback Detection 68
- 7.2 ULDP Configuration Task 70
- 7.3 ULDP Function Typical 73
- 7.4 ULDP Troubleshooting 74
- 8.4 LLDP Function 80
- Port aggregation 81
- 9.4 Port Channel Examples 85
- 10.1 Introduction to Jumbo 88
- 11.1 Introduction to EFM OAM 89
- 11.2 EFM OAM Configuration 92
- 11.3 EFM OAM Example 95
- 11.4 EFM OAM Troubleshooting 95
- Chapter 12 PORT SECURITY 97
- Internet 98
- Ethernet1/1 98
- 12.4 PORT SECURITY 99
- Chapter 13 DDM Configuration 100
- 13.1.2 DDM Function 101
- 13.3 Examples of DDM 103
- 13.4 DDM Troubleshooting 107
- Chapter 14 LLDP-MED 108
- 14.3 LLDP-MED Example 110
- 15.1.1 bpdu-tunnel function 114
- 15.3 Examples of bpdu-tunnel 115
- Task List 115
- 16.1 VLAN Configuration 117
- 16.1.1 Introduction to VLAN 117
- SP Network 128
- VLAN1000/2000 128
- Selective QinQ application 129
- 16.4 VLAN-translation 130
- Configuration 130
- UserE VID 134
- 16.7 GVRP Configuration 138
- 16.7.1 Introduction to GVRP 138
- 16.7.3 Example of GVRP 140
- 16.7.4 GVRP Troubleshooting 141
- 17.1.1 Obtaining MAC Table 142
- MAC Table dynamic learning 143
- 17.1.2 Forward or Filter 144
- 17.2 Mac Address Table 145
- Configuration Task List 145
- 17.3 Typical Configuration 146
- Examples 146
- 17.5 MAC Address Function 147
- Extension 147
- 17.5.1 MAC Address Binding 147
- 17.6 MAC Notification 149
- 18.1 Introduction to MSTP 152
- 18.1.1 MSTP Region 152
- 18.1.2 Port Roles 154
- 18.1.3 MSTP Load Balance 154
- 18.3 MSTP Example 158
- 18.4 MSTP Troubleshooting 163
- Chapter 19 QoS Configuration 164
- 19.1.2 QoS Implementation 165
- 19.1.3 Basic QoS Model 166
- Classification process 167
- 19.3 QoS Example 173
- Typical QoS topology 174
- 19.4 QoS Troubleshooting 175
- Redirection 176
- 20.2 Flow-based Redirection 176
- Configuration Task Sequence 176
- 20.3 Flow-based Redirection 177
- 20.4 Flow-based Redirection 177
- Troubleshooting Help 177
- 21.3 Flexible QinQ Example 180
- 22.2 IP Configuration 184
- 22.2.2 IP Configuration 186
- 22.2.3 IPv6 Troubleshooting 188
- 22.3 ARP 188
- 22.3.1 Introduction to ARP 188
- 22.3.3 ARP Troubleshooting 188
- 23.3 ARP Scanning Prevention 192
- Typical Examples 192
- 23.4 ARP Scanning Prevention 193
- 24.2 Prevent ARP Spoofing 195
- 24.3 Prevent ARP Spoofing 196
- Example 196
- ARP GUARD schematic diagram 198
- 25.2 ARP GUARD Configuration 199
- 26.4 Gratuitous ARP 202
- Troubleshooting 202
- 27.1 Introduction to DHCP 203
- DHCP relay 207
- DHCP Relay Configuration 210
- 27.5 DHCP Troubleshooting 211
- 28.1 Introduction to DHCPv6 213
- 28.3 DHCPv6 Relay Delegation 216
- Server Configuration 216
- Client Configuration 218
- 28.6 DHCPv6 Configuration 219
- 28.7 DHCPv6 Troubleshooting 221
- 29.2 DHCP option 82 Message 222
- Structure 222
- DHCP option 82 flow chart 223
- 29.5 DHCP option 82 229
- 60 and option 43 230
- 43 Example 231
- 31.1 Introduction to DHCPv6 232
- 31.2 DHCPv6 option37, 38 233
- 31.3 DHCPv6 option37, 38 237
- 31.4 DHCPv6 option37, 38 240
- 32.1 Introduction to DHCP 241
- Snooping 241
- Task Sequence 242
- 32.3 DHCP Snooping Typical 246
- Application 246
- 32.4 DHCP Snooping 247
- 33.2 DHCP Snooping option 82 250
- 33.3 DHCP Snooping option 82 251
- Application Examples 251
- 33.4 DHCP Snooping option 82 252
- 34.1 IPv4 Multicast Protocol 253
- Overview 253
- 34.1.2 Multicast Address 254
- 34.2 DCSCM 256
- 34.2.1 Introduction to DCSCM 256
- 34.2.4 DCSCM Troubleshooting 260
- 34.3 IGMP Snooping 260
- The switches as IGMP Queries 264
- 35.1 MLD Snooping 266
- 35.1.3 MLD Snooping Examples 268
- Chapter 36 Multicast VLAN 272
- 36.3 Multicast VLAN Examples 273
- Chapter 37 ACL Configuration 276
- 37.3 ACL Example 289
- 37.4 ACL Troubleshooting 293
- 38.1 Introduction to 802.1x 295
- The Work Mechanism of 802.1x 297
- IPv6 Radius 313
- 38.4 802.1x Troubleshooting 314
- MAC in Port Configuration 315
- 39.2 The Number Limitation 316
- Function of MAC in Port 316
- Function 319
- 40.3 AM Function Example 321
- Sequence 323
- 42.1 Introduction to TACACS+ 325
- 42.4 TACACS+ Troubleshooting 327
- 43.1 Introduction to RADIUS 328
- 43.3 RADIUS Typical Examples 332
- 43.3.1 IPv4 Radius Example 332
- 43.3.2 IPv6 RadiusExample 333
- 43.4 RADIUS Troubleshooting 333
- Chapter 44 SSL Configuration 335
- 44.3 SSL Typical Example 337
- 44.4 SSL Troubleshooting 338
- 45.2 IPv6 Security RA 339
- 45.4 IPv6 Security RA 341
- Chapter 46 MAB Configuration 342
- 46.3 MAB Example 344
- 46.4 MAB Troubleshooting 346
- 47.1.2.2 PPPoE Packet Format 349
- Typical Application 353
- Authentication 355
- Typical Example 357
- 49.3 VLAN-ACL Configuration 361
- 50.1 Introduction to SAVI 363
- 50.2 SAVI Configuration 363
- 50.4 SAVI Troubleshooting 368
- 51.1 Introduction to MRPP 369
- 51.3 MRPP Typical Scenario 374
- 51.4 MRPP Troubleshooting 376
- 52.1 Introduction to ULPP 377
- VLAN load balance 378
- 52.3 ULPP Typical Examples 381
- 52.3.1 ULPP Typical Example1 381
- 52.3.2 ULPP Typical Example2 383
- 52.4 ULPP Troubleshooting 384
- 53.1 Introduction to ULSM 385
- ULSM using scene 386
- 53.3 ULSM Typical Example 387
- 53.4 ULSM Troubleshooting 388
- 54.1 Introduction to Mirror 389
- 54.3 Mirror Examples 390
- 55.1 Introduction to sFlow 392
- 55.3 sFlow Examples 394
- 55.4 sFlow Troubleshooting 395
- 56.1 Introduction to SNTP 396
- 57.3 Typical Examples of NTP 401
- 58.3 Examples of Summer Time 403
- 58.4 Summer Time 404
- Chapter 59 Monitor and Debug 405
- 59.4 Traceroute6 406
- 59.5 Show 406
- 59.6 Debug 407
- 59.7 System log 407
- 59.7.1.1 Log Output Channel 408
- Time Task List 412
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