Overview
This article delves into the resolution of a connectivity issue with AAA Radius. based on historical observations. Users may experience difficulties connecting to AAA Radius, encountering a 'Max login limit reached' error, leading to Radius authentication rejections.
Solution
Ensure that there are no BSS DB issues(from the BSS team)
Examine the logs, and look for frequent errors related to a specific user's IP/calling station ID.
Debugging:
For a more detailed analysis, the log level was changed to debug mode for the affected user to isolate their activities and simplify troubleshooting.
Monitoring User Sessions:
Using the log monitor command, we can review the number of sessions the user has and if they are attempting to establish more, which may not be permissible under the configured settings.
Concurrency Policy Check:
The AAA configuration was examined, revealing a concurrency policy that limited the user to two simultaneous sessions. Attempting to initiate a third session triggered the 'Max login limit reached' error.
Summary
The article provides a detailed walkthrough of identifying and resolving a 'Max login limit reached' error in AAA Radius. The solution involved log analysis, debugging user sessions, and reviewing the AAA concurrency policy. The team successfully communicated the issue to the client, leading to the resolution of the ticket.
FAQ
How can you isolate issues for a specific user in the logs?
Change the log level to debug mode and use the log monitor command to focus on a specific user, simplifying the process of identifying issues.
What is a concurrency policy in AAA Radius?
It's a configuration setting that determines how many simultaneous sessions a user can have. Exceeding this limit triggers an error.
How do you handle a 'Max login limit reached' error?
Review and adjust the concurrency policy settings in AAA Radius to align with user needs and requirements.
Priyanka Bhotika
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