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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Stack monitoring issue: Unable to construct the data ring diagram because the information required to show the diagram is missing or is not complete

Stack monitoring issue: Unable to construct the data ring diagram because the information required to show the diagram is missing or is not complete

Created by Kevin Twomey, last modified by Caroline Juszczak on Aug 17, 2018

Views: 943 Votes: 0 Revisions: 3

Overview

This article provides brief information on the following error:

Unable to construct the data ring diagram because the information required to show the diagram is missing or is not complete.

Stack Monitoring not working on more than 2 switches. 

Environment

NPM version 12.0

Cause 

This is a Cisco bug. 

Resolution

Upgrade the device IOS.

Also, see this THWACK post.

 

 

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