Qtech QSW-2800 Инструкция по настройке User Manual Page 193
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prevent ARP scanning effectively without affecting the normal operation of the system.
SWITCH A configuration task sequence:
SwitchA(config)#anti-arpscan enable
SwitchA(config)#anti-arpscan recovery time 3600
SwitchA(config)#anti-arpscan trust ip 192.168.1.100 255.255.255.0
SwitchA(config)#interface ethernet1/2
SwitchA (Config-If-Ethernet1/2)#anti-arpscan trust port
SwitchA (Config-If-Ethernet1/2)#exit
SwitchA(config)#interface ethernet1/19
SwitchA (Config-If-Ethernet1/19)#anti-arpscan trust supertrust-port
Switch A(Config-If-Ethernet1/19)#exit
SWITCHB configuration task sequence:
Switch B(config)# anti-arpscan enable
SwitchB(config)#interface ethernet1/1
SwitchB (Config-If-Ethernet 1/1)#anti-arpscan trust port
SwitchB (Config-If-Ethernet 1/1)exit
23.4 ARP Scanning Prevention
Troubleshooting Help
ARP scanning prevention is disabled by default. After enabling ARP scanning prevention,
users can enable the debug switch, “debug anti-arpscan”, to view debug information.
- 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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