7 Operation and Maintenance ....................................................................... 113
7.1 NetNumen U31 Unified Network Management Platform ............................... 113
7.1.1 Network Management Networking Mode ...................................................... 113
7.1.2 NetNumen U31 Network Management System ............................................. 114
7.2 Maintenance and Management .................................................................... 116
7.2.1 Multiple Configuration Modes ....................................................................... 116
7.2.2 Monitoring and Maintenance ......................................................................... 117
7.2.3 Software Upgrade ......................................................................................... 118
7.2.4 File System Management ............................................................................. 118
8 Glossary ...................................................................................................... 120