Operation Manual – SNMP-RMONH3C S5500-EI Series Ethernet Switches Chapter 1 SNMP Configuration1-71.4 Trap ConfigurationSNMP Agent sends Traps to NMS to alert the latter of critical and important events(such as restart of the managed device).1.4.1 Configuration PrerequisitesBasic SNMP configurations have been completed. These configurations includeversion configuration: community name is needed when SNMPv1 and v2c are adopted;username and MIB view are needed if SNMPv3 is adopted.1.4.2 Configuration ProcedureI. Enabling Trap transmissionFollow these steps to enable Trap transmission:To do… Use the command… RemarksEnter system view system-view —Set to enable the deviceto send Traps globallysnmp-agent trap enable[ bgp | configuration |flash | ospf [ process-id ][ ospf-trap-list ] | standard[ authentication |coldstart | linkdown |linkup | warmstart ]* |system | voice | vrrp[ authfailure |newmaster ] ]OptionalAll types of Traps areallowed by default.Enter interface view interface interface-typeinterface-number —Set to enable the deviceto send Traps of interfacestate changeenable snmp trapupdownOptionalTransmission of Traps ofinterface state change isallowed by default.Caution:To enable an interface to send SNMP Traps when its state changes, you need toenable the Link up/down Trap packet transmission function on an interface and globally.Use the enable snmp trap updown command to enable this function on an interface,and use the snmp-agent trap enable [ standard [ linkdown | linkup ] * ] command toenable this function globally.
