Multiple SNMP Trap Destinations

You can configure the device's SNMP agent to send traps to up to five managers in the SNMP Trap Destinations table. For each manager you need to define the manager IP address or FQDN (hostname) and trap receiving port along with enabling the sending to that manager. You can also associate a trap destination with a specific SNMPv3 USM user. Traps are sent to this trap destination using the SNMPv3 format and the authentication and privacy protocol configured for that user.

To configure the Trap Managers table, use one of the following methods:

Web interface (refer to the device's User's Manual)
ini file (see Configuring Trap Managers via ini File)
SNMP (see Configuring Trap Managers via SNMP)

When a trap destination is defined by FQDN, the device tries to resolve the hostname into an IP address. Once the name is resolved, the resolved IP address replaces the last trap manager entry of the snmpTargetAddrTable in the snmpTargetMIB. The port is 162 (unless specified otherwise). The row is marked as 'used' and the sending is 'enabled'.

When using 'host name' resolution, any changes made by the user to this row in either MIBs are overwritten by the device when a resolving is redone (once an hour).

Some traps may be lost until the name resolving is complete.