6.4.2 IGMP snooping.................................................................................................................................................... 35
6.4.3 Static Multicast FWD .......................................................................................................................................... 36
6.5 QOS .......................................................................................................................................................38
6.5.1 QOS Classification .............................................................................................................................................. 38
6.5.2 COS ...................................................................................................................................................................... 39
6.5.3 DSCP ................................................................................................................................................................... 40
6.6 REDUNDANCY .........................................................................................................................................42
6.6.1 Port Trunking ...................................................................................................................................................... 42
6.6.2 Rapid Ring ........................................................................................................................................................... 43
6.6.3 RSTP .................................................................................................................................................................... 54
6.7 ACCESS PROFILE .....................................................................................................................................56
6.7.1 Login Settings ...................................................................................................................................................... 56
6.8 REMOTE MONITORING..............................................................................................................................58
6.8.1 SNMP management ............................................................................................................................................. 58
6.8.2 Relay Alarm ......................................................................................................................................................... 61
6.9 TRAFFIC STATISTICS ................................................................................................................................63
6.9.1 RX frame statistics .............................................................................................................................................. 64
6.9.2 TX frame statistics .............................................................................................................................................. 65
6.10 DIAGNOSIS ............................................................................................................................................66
6.10.1 Mirror ................................................................................................................................................................ 66
6.11BASIC SETTINGS .....................................................................................................................................68
6.11.1 Device address................................................................................................................................................... 68
6.11.2 System identification......................................................................................................................................... 71
6.11.3 System File Upgrade ..........................................................................................................................................72
CHAPTER 7 REPAIR AND SERVICE .................................................................................... 75
7.1 INTERNET SERVICE ..................................................................................................................................75