# Configuring RADIUS Dynamic-Request Server

This chapter describes the RADIUS dynamic-request server feature on E Series routers. The following topics describe this feature:

- RADIUS Dynamic-Request Server Overview
- RADIUS Dynamic-Request Server Platform Considerations
- RADIUS Dynamic-Request Server References
- How RADIUS Dynamic-Request Server Works
- RADIUS-Initiated Disconnect
- Message Exchange
- Configuring RADIUS-Initiated Disconnect
- RADIUS-Initiated Change of Authorization
- Configuring RADIUS-Initiated Change of Authorization
- RADIUS Dynamic-Request Server Commands
- Monitoring RADIUS Dynamic-Request Servers