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NCM supports Diameter, RADIUS, and TACACS

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Created by Malik Haider, last modified by Caroline Juszczak on Nov 01, 2017

Views: 2,569 Votes: 1 Revisions: 7


This article provides information about NCM support for Diameter, RADIUS, or TACACS .


All versions of NCM 


NCM supports adding a Diameter, RADIUS, or TACACS server.

For more details, please see the link below:


NCM Administrator Guide

Third Party Authentication is done if a network administrator sets up third-party authentication, such as a Diameter, RADIUS, or TACACS server. The admin must create valid accounts and permissions in the authentication server database for the appropriate SolarWinds NCM users.



NCM only interacts with network devices and not the authentication server. Though the network device must handle interaction with Diameter, RADIUS, TACACS, or any other authentication server, special logic in the relevant NCM component (SWTelnet9) handles the RADIUS authentication prompt, since devices connected to the RADIUS server may have a slightly different logon flow.

This is also supported in older versions of NCM. See the link below:


For more training and details for NCM, check out the link below:



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