To configure an IGP impact analysis

Note: For accurate results, you must ensure that the CPAM and CPAA are administratively up.


1	Choose Tools→Route Analysis→Impact Analysis from the NFM-P main menu. The Impact Analysis form opens.
2	Click Create and choose IGP Impact Analysis. The IGP Impact Analysis form opens.
3	Click Select and choose an IGP administrative domain.
4	Configure the Time Interval Type parameter.
5	Perform one of the following: If you chose Rewind From/To Interval, configure the Start Time and End Time parameters. If you chose Rewind From Current Time, configure the Time Interval (in minutes) parameter. If you chose Current Status, continue to Step 6 .
6	Click Apply. A list of reasons and statistics for IP paths and LSP paths is displayed.
7	Click Impact Analysis. When the analysis is complete, the lists on the IGP Impact Analysis form show the number of affected IP paths, LSPs, and services.
8	Select an item in a list and click View Impact. The Details: Reason form opens.
9	Click on the tabs to view information about path monitors, path records, correlated IGP events, and affected services.
10	Click on the Services tab to view information about the affected services.
11	Close the form. End of steps

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