D-Link DFL-260E User Manual page 8

9.7.2. Troubleshooting Certificates ........................................................ 443
9.7.3. IPsec Troubleshooting Commands ................................................ 444
9.7.4. Management Interface Failure with VPN ........................................ 445
9.7.5. Specific Error Messages .............................................................. 445
9.7.6. Specific Symptoms .................................................................... 448
10. Traffic Management ...................................................................................... 451
10.1. Traffic Shaping .................................................................................. 451
10.1.1. Overview ................................................................................ 451
10.1.2. Traffic Shaping in NetDefendOS ................................................. 452
10.1.3. Simple Bandwidth Limiting ....................................................... 454
10.1.4. Limiting Bandwidth in Both Directions ........................................ 455
10.1.5. Creating Differentiated Limits Using Chains ................................. 456
10.1.6. Precedences ............................................................................ 457
10.1.7. Pipe Groups ............................................................................ 462
10.1.8. Traffic Shaping Recommendations .............................................. 465
10.1.9. A Summary of Traffic Shaping ................................................... 466
10.1.10. More Pipe Examples ............................................................... 467
10.2. IDP Traffic Shaping ............................................................................ 472
10.2.1. Overview ................................................................................ 472
10.2.2. Setting Up IDP Traffic Shaping .................................................. 472
10.2.3. Processing Flow ....................................................................... 473
10.2.4. The Importance of Specifying a Network ...................................... 473
10.2.5. A P2P Scenario ........................................................................ 474
10.2.6. Viewing Traffic Shaping Objects ................................................ 475
10.2.7. Guaranteeing Instead of Limiting Bandwidth ................................. 476
10.2.8. Logging ................................................................................. 476
10.3. Threshold Rules ................................................................................. 477
10.3.1. Overview ................................................................................ 477
10.3.2. Limiting the Connection Rate/Total Connections ........................... 477
10.3.3. Grouping ................................................................................ 478
10.3.4. Rule Actions ........................................................................... 478
10.3.5. Multiple Triggered Actions ........................................................ 478
10.3.6. Exempted Connections .............................................................. 478
10.3.7. Threshold Rules and ZoneDefense .............................................. 478
10.3.8. Threshold Rule Blacklisting ....................................................... 478
10.4. Server Load Balancing ........................................................................ 480
10.4.1. Overview ................................................................................ 480
10.4.2. SLB Distribution Algorithms ...................................................... 481
10.4.3. Selecting Stickiness .................................................................. 482
10.4.4. SLB Algorithms and Stickiness ................................................... 483
10.4.5. Server Health Monitoring .......................................................... 484
10.4.6. Setting Up SLB_SAT Rules ........................................................ 485
11. High Availability .......................................................................................... 489
11.1. Overview .......................................................................................... 489
11.2. HA Mechanisms ................................................................................. 491
11.3. Setting Up HA ................................................................................... 494
11.3.1. HA Hardware Setup ................................................................. 494
11.3.2. NetDefendOS Manual HA Setup ................................................. 495
11.3.3. Verifying the Cluster Functions .................................................. 496
11.3.4. Unique Shared Mac Addresses ................................................... 497
11.4. HA Issues ......................................................................................... 498
11.5. Upgrading an HA Cluster ..................................................................... 500
11.6. HA Advanced Settings ........................................................................ 502
12. ZoneDefense ................................................................................................ 504
12.1. Overview .......................................................................................... 504
12.2. ZoneDefense Switches ......................................................................... 505
12.3. ZoneDefense Operation ....................................................................... 506
12.3.1. SNMP .................................................................................... 506
12.3.2. Threshold Rules ....................................................................... 506
12.3.3. Manual Blocking and Exclude Lists ............................................. 506
12.3.4. ZoneDefense with Anti-Virus Scanning ........................................ 508
12.3.5. Limitations ............................................................................. 508
13. Advanced Settings ......................................................................................... 511
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User Manual