Amer-networks E5Web GUI Bedienungsanleitung PDF herunterladen (Seite 3)

Table of Contents

Preface ............................................................................................................... 14

1. cOS Core Overview ........................................................................................... 17

1.1. Features ............................................................................................... 17

1.2. cOS Core Architecture ............................................................................. 22

1.2.1. State-based Architecture .............................................................. 22

1.2.2. cOS Core Building Blocks .............................................................. 22

1.2.3. Basic Packet Flow ......................................................................... 23

1.3. cOS Core State Engine Packet Flow ........................................................... 26

2. Management and Maintenance .......................................................................... 31

2.1. Managing cOS Core ................................................................................ 31

2.1.1. Overview .................................................................................... 31

2.1.2. Default Administrator Accounts ..................................................... 33

2.1.3. The Web Interface ........................................................................ 33

2.1.4. The CLI ....................................................................................... 39

2.1.5. CLI Scripts ................................................................................... 50

2.1.6. Secure Copy ................................................................................ 55

2.1.7. The Console Boot Menu ................................................................ 57

2.1.8. Changing Management Access ...................................................... 60

2.1.9. Management Advanced Settings ................................................... 65

2.1.10. Working with Configurations ....................................................... 66

2.2. Events and Logging ................................................................................ 73

2.2.1. Overview .................................................................................... 73

2.2.2. Log Messages ............................................................................. 73

2.2.3. Creating Log Receivers ................................................................. 74

2.2.4. Logging to MemoryLogReceiver .................................................... 75

2.2.5. Logging to Syslog Hosts ............................................................... 75

2.2.6. Logging to the Clavister Logger ..................................................... 77

2.2.7. Severity Filter and Message Exceptions ........................................... 78

2.2.8. SNMP Traps ................................................................................ 79

2.2.9. Advanced Log Settings ................................................................. 80

2.3. RADIUS Accounting ................................................................................ 82

2.3.1. Overview .................................................................................... 82

2.3.2. RADIUS Accounting Messages ....................................................... 82

2.3.3. Interim Accounting Messages ........................................................ 84

2.3.4. Configuring RADIUS Accounting .................................................... 84

2.3.5. RADIUS Accounting Security ......................................................... 86

2.3.6. RADIUS Accounting and High Availability ........................................ 86

2.3.7. Handling Unresponsive RADIUS Servers .......................................... 86

2.3.8. Accounting and System Shutdowns ............................................... 87

2.3.9. Limitations with NAT .................................................................... 87

2.3.10. Advanced RADIUS Settings .......................................................... 87

2.4. Monitoring ............................................................................................ 89

2.4.1. Real-time Monitoring Counters ...................................................... 89

2.4.2. Real-time Monitor Alerts ............................................................... 94

2.4.3. The Link Monitor ......................................................................... 94

2.4.4. SNMP Monitoring ........................................................................ 98

2.4.5. Hardware Monitoring ................................................................. 101

2.4.6. Memory Monitoring Settings ....................................................... 105

2.5. Diagnostic Tools .................................................................................. 106

2.5.1. Overview .................................................................................. 106

2.5.2. Diagnostic CLI Commands .......................................................... 106

2.5.3. The pcapdump CLI Command ...................................................... 107

2.5.4. Hardware Fault Troubleshooting .................................................. 109

2.6. Maintenance ....................................................................................... 112

2.6.1. Software Upgrades .................................................................... 112

2.6.2. Auto-Update Mechanism ............................................................ 114

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