07-18-2002 07:47 AM - edited 03-02-2019 12:00 AM
We have three AS5350 access servers using two Cisco ACS servers for RADIUS authentication. When I attempt to failover to the secondary ACS server the access server starts to experience "ppp authentication" failures. Has anyone seen this problem befoe? If so, what is a way to get it to work?
07-20-2002 09:22 AM
Pl. make sure that the database of those two RADIUS servers are in sync with eachother..Try to use the individual RADIUS server to make sure that the authentication works ok before deploying in the failover mode..
07-22-2002 09:36 AM
I've verified that the secondary server works by making it the primary Access server and it works fine. The databases are identical as well database syncronization between the two ACS servers happens each morning at 6AM.
07-23-2002 01:12 PM
Need to know "how do you attempt to do failover" On the router or simply taking primary radius server down..Lets have following debug from router when you do failover
debug ppp nego
debug aaa authentication
debug radius
debug aaa authorization
Along with "sh run" from the router..The above detail will paint the clear picture about whats going on there...Tejal
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