Cisco Prime Nerk 43 User Guide
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CH A P T E R 10-1 Cisco Prime Network 4.3.2 User Guide 10 How Prime Network Handles Incoming Events These topics explain how Prime Network handles incoming events and provides information about events and tickets in the GUI clients: How Events Flow Through Prime Network Components, page 10-1 Standard and Upgraded Events, page 10-4 How Prime Network Correlates Incoming Events, page 10-4 How Prime Network Calculates and Reports Affected Parties (Impact Analysis), page 10-11 Clearing, Archiving, and...
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10-2 Cisco Prime Network 4.3.2 User Guide Chapter 10 How Prime Network Handles Incoming Events How Events Flow Through Prime Network Components Figure 10-1 Logical Flow of Incoming Events Received By Prime Network External OSS Apps (SNMP) Fault Agent (AVM 25)Fault Manager Even repo Gateway VNEVNE Units - New tickets and related events - Updates to existing tickets - Upgraded events with correlation - System internal events - E-mail notifications - Standard events - Events from specified...
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10-3 Cisco Prime Network 4.3.2 User Guide Chapter 10 How Prime Network Handles Incoming Events How Events Flow Through Prime Network Components The main components involved in fault processing are described in the following table. Component Located on: Description Event Collector (AVM 100)Gateway or unit(s)1 1. By default, the Event Collector is installed on the gateway. All supported configurations are described in the event monitoring topics in the Cisco Prime Network 4.3.2 Administrator...
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10-4 Cisco Prime Network 4.3.2 User Guide Chapter 10 How Prime Network Handles Incoming Events Standard and Upgraded Events For more details about what each component does, see How Prime Network Correlates Incoming Events, page 10-4. Standard and Upgraded Events If the VNE cannot extract adequate information about an event, it performs some basic parsing and saves the event in the database. These events are called standard events. A standard event is an event that Prime Network cannot match...
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10-5 Cisco Prime Network 4.3.2 User Guide Chapter 10 How Prime Network Handles Incoming Events How Prime Network Correlates Incoming Events Figure 10-2 Event Processing—Events With Correlation Enabled AVM 100 VNE Event from managed device? (If saving events from unmanaged devices is enabled) Standard events Upgraded events Ye s Ye sNo Can identify and associate?No Ye s Flapping? SuppressNo Local Network Ye s Correlate? Local or Network? Cause found? Suspend for 2 minutes Ye s NoNo Ye s...
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10-6 Cisco Prime Network 4.3.2 User Guide Chapter 10 How Prime Network Handles Incoming Events How Prime Network Correlates Incoming Events Figure 10-3 Event Processing—Events With No Correlation Parse the Event To Identify It, Associate It With a Source, And Determine If It Is a Standard or Upgraded Event The VNE begins the event identification process by extracting and parsing the following information from the raw event: Event Functionality Type—Trap, syslog, or Service event Event Type and...
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10-7 Cisco Prime Network 4.3.2 User Guide Chapter 10 How Prime Network Handles Incoming Events How Prime Network Correlates Incoming Events Event description strings—Content of the notification message content and a short description Event Severity—Event’s importance, derived from the setting for the event’s severity registry key): –Flagging—Indicates a fault: Critical (red), Major (orange), Minor (yellow), or Warning (sky blue) –Clearing—Indicates a fault that is resolved: Cleared (green)...
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10-8 Cisco Prime Network 4.3.2 User Guide Chapter 10 How Prime Network Handles Incoming Events How Prime Network Correlates Incoming Events Note‘true’ enables the expedite optimization and ‘false’ disables the expedite optimization. You can also override the window-length of the time span by using the following runRegTool command and then restart the VNEs: runRegTool.sh -gs 127.0.0.1 set 0.0.0.0 agentdefaults/da/optimized-expedite/window-length NoteThe time-value should be in milli seconds....
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10-9 Cisco Prime Network 4.3.2 User Guide Chapter 10 How Prime Network Handles Incoming Events How Prime Network Correlates Incoming Events An example of an event with a correlate=false registry setting is a Link Down Due To Oper Down event, where the event is its own cause. An example of an event with a is-correlation-allowed=false registry setting is a syslog that does not cause other events. The VNE attempts to identify an event sequence (see Identify Event Sequences and Hierarchies, page...
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10-10 Cisco Prime Network 4.3.2 User Guide Chapter 10 How Prime Network Handles Incoming Events How Prime Network Correlates Incoming Events The correlation is based on a flow that runs across the Prime Network model and topology. Network correlation is most successful if the event holds forwarding information, such as the IP address of a Border Gateway Protocol (BGP) neighbor, or a Frame Relay virtual connection. Network correlation is well suited for the following scenarios: The event...