Message Source Configuration: SNMP Trap Interception

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Presentation transcript:

Message Source Configuration: SNMP Trap Interception

Section Overview SNMP Traps as a Message Source SNMP Trap process on the Management Server VPO Distributed Event Interception Avoiding Duplicate Messages SNMP Trap Configuration Configuration GUI Generating Traps/Events Examples Message Source Configuration: SNMP Trap Interception

SNMP Traps SNMP Trap SNMP Agent SNMP Manager Managed Node Enterprise ID Generic Trap ID Specific Trap ID Varbind 1 …. Varbind n Managed Node Management Server Message Source Configuration: SNMP Trap Interception

SNMP Trap Interception SNMP Agent VPO agent only SNMP Agent NNM and VPO working in parallel SNMP Manager SNMP Agent Management Server NNM software only SNMP Agent No NNM or VPO software Message Source Configuration: SNMP Trap Interception

SNMP Trap Interceptor on The Management Server Conditions VPO Trap Interceptor ovtrapd pmd port 162 Message Agent Community Generic Trap ID Specific Trap ID Number of parameters Parameters VPO Message Severity Application Message Group Object SNMP Trap Arguments Default Message Attributes Message Source Configuration: SNMP Trap Interception Traps from Systems and Applications

VPO Distributed Event Interception VPO Management Server RPC TCP NNM RPC pmd opcmsga opcmsga NNM ovtrapd pmd opctrapi opctrapi Events ovtrapd Events Events Message Source Configuration: SNMP Trap Interception

Distributed Event Interception: Benefits Reduced Network Traffic and Management Server Workload through VPO-Specific Features for Local Processing More attributes to suppress messages (e.g. SNMP Trap Variables) Duplicate message suppression, local actions etc. Event Correlation Services Secure Communication between Agent and Management Server through DCE/RPC-Based Implementation Authentication, Encryption Flexible Management through VPO Flexible Manager Concepts Follow-the-Sun, Competence Centers, Backup Manager Message Source Configuration: SNMP Trap Interception

Distributed Event Interception: Configuration Supported Platforms: all Platforms, where NNM is supported Novell NetWare 4.1, 4.11, 5.0, 5.1 with NMA 2.1 installed Configuration Steps: Configure Event Interception Template in Message Source Templates window and in Add SNMP Trap window. Assign Event Interception Template to agents and distribute the templates. If NNM is not to be used on agent for event interception (i.e. SNMP traps intercepted directly by opctrapi), then add the following line to file opcinfo: SNMP_SESSION_MODE NO_TRAPD Restart the VPO agents Message Source Configuration: SNMP Trap Interception

How to Avoid Duplicate Messages Problem Situation: Node pepper SNMP Destinations: curry nutmeg Original method and showing how duplicates can occur SNMP Agent Node curry Node nutmeg opctrapi Using local interception and avoiding duplicates opctrapi OV pmd OV pmd opcmsga opcmsga VPO Management Server OV pmd opctrapi Solution with VPO: SNMP Agents must have only one trap destination configured An VPO event interceptor runs on all possible SNMP destinations Message Source Configuration: SNMP Trap Interception

SNMP Template Configuration Add Trap within Message Source Templates and define defaults Match/Suppress Condition Window Message Source Configuration: SNMP Trap Interception

SNMP Trap Condition Example SNMP trap generated by OmniBack snmptrap hpbblcs1.bbn.hp.com .1.3.6.1.4.1.11.2.3.2.15.136.120.34 15.136.120.161. 6 58916871 0 \ .1.3.6.1.4.11.2.15.2.0 Integer 1 \ .1.3.6.1.4.11.2.15.3.0 OctetString doghouse.bbn.hp.com \ .1.3.6.1.4.11.2.15.4.0 OctetString”HP OmniBack:[Error}(Worklist Syntax) \ Can’t open worklist file’/etc/omniback/work’ Status: Critical \ .1.3.6.1.4.11.2.15.5.0 OctetString “Critical” \ .1.3.6.1.4.11.2.15.6.0 OctetString “Omniback” Message Source Configuration: SNMP Trap Interception