D-Link DFL-260E User Manual for DFL-260E - Page 63
Note: SNMP Trap standards, 2.8. Advanced Log Settings
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2.2.8. Advanced Log Settings Chapter 2. Management and Maintenance NetDefendOS takes the concept of an SNMP Trap one step further by allowing any event message to be sent as an SNMP trap. This means that the administrator can set up SNMP Trap notification of events that are considered significant in the operation of a network. The file DFLNNN-TRAP.MIB (where NNN indicates the model number of the firewall) is provided by D-Link and defines the SNMP objects and data types that are used to describe an SNMP Trap received from NetDefendOS. Note There is a different MIB file for each model of NetDefend Firewall. Make sure that the correct file is used. For each NetDefend Firewall model there is one generic trap object called DLNNNosGenericTrap, that is used for all traps (where NNN indicates the model number). This object includes the following parameters: • System - The system generating the trap • Severity - Severity of the message • Category - What NetDefendOS subsystem is reporting the problem • ID - Unique identification within the category • Description - A short textual description • Action - What action is NetDefendOS taking This information can be cross-referenced to the Log Reference Guide. Note: SNMP Trap standards NetDefendOS sends SNMP Traps which are based on the SNMPv2c standard as defined by RFC1901, RFC1905 and RFC1906. Example 2.12. Sending SNMP Traps to an SNMP Trap Receiver To enable generation of SNMP traps for all events with a severity greater than or equal to Alert to an SNMP trap receiver with an IP address of 195.11.22.55, follow the steps outlined below: Command-Line Interface gw-world:/> add LogReceiver EventReceiverSNMP2c my_snmp IPAddress=195.11.22.55 Web Interface 1. Go to: Log & Event Receivers > Add > SNMP2cEventReceiver 2. Specify a name for the event receiver, for example my_snmp 3. Enter 195.11.22.55 as the IP Address 4. Enter an SNMP Community String if needed by the trap receiver 5. Click OK The system will now be sending SNMP traps for all events with a severity greater than or equal to Alert to an SNMP trap receiver at 195.11.22.55. 63