4.2.4 Users Configuration ............................................................................................................................................. 74
4.2.5 Privilege Levels ................................................................................................................................................... 77
4.2.6 NTP Configuration ............................................................................................................................................... 78
4.2.7 Time Configuration .............................................................................................................................................. 79
4.2.8 UPnP ................................................................................................................................................................... 81
4.2.9 DHCP Relay ........................................................................................................................................................ 83
4.2.10 DHCP Relay Statistics ....................................................................................................................................... 84
4.2.11 CPU Load .......................................................................................................................................................... 86
4.2.12 System Log ........................................................................................................................................................ 87
4.2.13 Detailed Log ...................................................................................................................................................... 88
4.2.14 Remote Syslog .................................................................................................................................................. 89
4.2.15 SMTP Configuration .......................................................................................................................................... 90
4.2.16 Web Firmware Upgrade ..................................................................................................................................... 91
4.2.17 TFTP Firmware Upgrade ................................................................................................................................... 92
4.2.18 Save Startup Config ........................................................................................................................................... 93
4.2.19 Configuration Download .................................................................................................................................... 93
4.2.20 Configuration Upload ......................................................................................................................................... 94
4.2.21 Configure Activate ............................................................................................................................................. 94
4.2.22 Configure Delete ................................................................................................................................................ 95
4.2.23 Image Select ...................................................................................................................................................... 95
4.2.24 Factory Default .................................................................................................................................................. 96
4.2.25 System Reboot .................................................................................................................................................. 97
4.3 Simple Network Management Protocol .................................................................................................... 98
4.3.1 SNMP Overview .................................................................................................................................................. 98
4.3.2 SNMP System Configuration ............................................................................................................................... 99
4.3.3 SNMP Trap Configuration .................................................................................................................................. 101
4.3.4 SNMP System Information ................................................................................................................................ 103
4.3.5 SNMPv3 Configuration ...................................................................................................................................... 104
4.3.5.1 SNMPv3 Communities ............................................................................................................................ 104
4.3.5.2 SNMPv3 Users ........................................................................................................................................ 105
4.3.5.3 SNMPv3 Groups ...................................................................................................................................... 106
4.3.5.4 SNMPv3 Views ........................................................................................................................................ 107
4.3.5.5 SNMPv3 Access ...................................................................................................................................... 108
4.4 Port Management ..................................................................................................................................... 110
4.4.1 Port Configuration .............................................................................................................................................. 110
4.4.2 Port Statistics Overview ..................................................................................................................................... 112
4.4.3 Detailed Port Statistics ....................................................................................................................................... 113
4.4.4 SFP Module Information .................................................................................................................................... 115
4.4.5 Port Mirror .......................................................................................................................................................... 116
User's Manual of GS-5220 Ultra PoE & PoE+ Series
4
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