Cisco ACE-4710-K9 Administration Guide - Page 315
SNMP Traps and Informs
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Chapter 8 Configuring SNMP SNMP Overview SNMP Traps and Informs You can configure the ACE to send notifications (such as traps or inform requests) to SNMP managers when particular events occur. In some instances, traps can be unreliable because the receiver does not send any acknowledgment when it receives a trap and the sender cannot determine if the trap was received. However, an SNMP manager that receives inform requests acknowledges the message with an SNMP Response PDU. If the sender never receives a Response, the inform request is usually retransmitted. Inform requests are more likely to reach their intended destination. Notifications may contain a list of MIB variable bindings that clarify the status being relayed by the notification. The list of variable bindings associated with a notification is included in the notification definition in the MIB. For standard MIBs, Cisco has enhanced some notifications with additional variable bindings that further clarify the cause of the notification. Note The clogOriginID and clogOriginIDType variable bindings appended with each notification can be used by the NMS application to uniquely identify the device originating the trap. You can configure the values for clogOriginID and clogOriginIDType varbinds to uniquely identify the device by using the logging device-id configuration mode command. For details on the logging device-id command, see the Cisco 4700 Series Application Control Engine Appliance System Message Guide. Use the SNMP-TARGET-MIB to obtain more information on trap destinations and inform requests. For details on SNMP notifications supported by the ACE, see the "Supported MIBs and Notifications" section. OL-11157-01 Cisco 4700 Series Application Control Engine Appliance Administration Guide 8-5