When a router monitored by NPM reboots, the interface indexes statuses change to unknown in NPM. What do you do after you remove the unknown interfaces?
A.
Update the NPM internal ID numbers
B.
Manually update the interface indexes
C.
Rum a list of resources on that node and add the interfaces with the updated index IDs
D.
Run the Configuration Wizard to update the interface indexes
When a router monitored by NPM reboots, the interface indexes may change, causing the interface statuses to become unknown in NPM. This is because NPM uses the interface indexes to identify and poll the interfaces. To resolve this issue, you need to remove the unknown interfaces from NPM and then run a list of resources on that node to discover the interfaces with the new index IDs. You can then add the interfaces back to NPM and resume monitoring them. References:
Allow Change the Interface Index - Forum - Network Performance Monitor (NPM) - THWACK Products
Edit interface properties in NPM - SolarWinds
SCP Study Aid - SolarWinds (page 6)
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