25.1.4 Redundancy ....................................................................................................... 225.1.4.1 Fast Recovery Mode ................................................................................. 225.1.4.2 Pro-Ring .................................................................................................... 235.1.4.3 RSTP ......................................................................................................... 245.1.5 VLAN Configuration – Port Based ..................................................................... 265.1.6 QOS ................................................................................................................... 275.1.7 MAC Filter .......................................................................................................... 295.1.8 SNMP Configuration .......................................................................................... 315.1.8.1 SNMP – Agent Setting .................................................................................... 315.1.6.2 SNMP –Trap Setting ....................................................................................... 325.1.6.3 SNMP–SNMPV3 Setting ................................................................................ 345.1.7. Warning .............................................................................................................. 365.1.7.1. SYSLOG Setting ....................................................................................... 365.1.7.2. System Event LOG.................................................................................... 375.1.7.3. SMTP Setting ............................................................................................ 385.1.7.4. Even Selection .......................................................................................... 395.1.7.5. Fault Alarm ................................................................................................ 405.1.8 Front Panel ............................................................................................................ 405.1.9 Save Configuration ................................................................................................ 415.1.10 Factory Default ..................................................................................................... 415.1.11 System Reboot ..................................................................................................... 41Technical Specifications ............................................................................. 42