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• Automatic session release when accounting stop is lost (inactivity timeout)
• Automatic session release when accounting on/off is detected (system accounting)
• In an environment with multiple Cisco Access Registrars, designate one Cisco Access Registrar to manage all sessions to avoid bypass of
session limits and to allocate IP addresses and other resources centrally
• Session information is not lost even if Cisco Access Registrar or the system is restarted
• Session tracking for accounting-only servers
• Configure session key on calling number or other attributes
System Tuning and System Configuration
• Configure Cisco Access Registrar to listen on multiple UDP ports
• Specify which network interfaces to use
• Set the number of simultaneous requests to be processed
• Enable access accept logging
• Regular and advanced duplicate Radius packet detection features
• Extensible attribute dictionary
– Populated with latest attribute definitions, including third-party, vendor-specific attributes
– Easy addition of new attributes
– Variable-length vendor type in vendor-specific attributes
• Specify log file rollover rules
Troubleshooting and Monitoring
• Multilevel debugging output
• Real-time query of processing counters
• Reset processing counters without restarting Cisco Access Registrar
• Query status of all Cisco Access Registrar processes and utilities
• Log files for each Cisco Access Registrar process
• Audit log of all configuration changes
• Direct logs to a syslog server
• RADIUS Simple Network Management Protocol (SNMP) RFC 2618-21 support
• SNMP traps generated for critical events
• Utility to generate RADIUS requests
Configuration
• Powerful configuration utility with interactive and noninteractive modes
• Noninteractive modes allow for configuration automation and operations support system (OSS) integration
• Dynamic configuration feature allows configuration changes to take effect without a server restart
• Command and value recall, inline editing, autocommand completion, and a context-sensitive list of options
Resilience
• Automatic configuration replication to other Cisco Access Registrar servers (server redundancy)
• Specify lists of alternate remote systems for each processing method (remote-system redundancy)
• Specify multiple methods to process a request (processing-method redundancy)
• Automatic server restart
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