Specifications

Contents
iv
DIAL INTERFACES, CONTROLLERS, AND LINES
Overview of Dial Interfaces, Controllers, and Lines
DC-2
Cisco IOS Dial Components DC-2
Logical Constructs DC-4
Asynchronous Interfaces DC-4
Group Asynchronous Interfaces DC-5
Virtual Template Interfaces DC-5
Templates for Virtual Access Interfaces DC-6
Templates for Protocol Translation DC-6
Logical Interfaces DC-6
Dialer Interfaces DC-7
Virtual Access Interfaces DC-8
Virtual Asynchronous Interfaces DC-9
Circuit-Switched Digital Calls DC-9
T1 and E1 Controllers DC-10
Non-ISDN Channelized T1 and Channelized E1 Lines DC-10
ISDN Service DC-11
ISDN BRI DC-12
ISDN PRI DC-12
Line Types DC-14
Relationship Between Lines and Interfaces DC-15
Asynchronous Interfaces and Physical Terminal Lines DC-15
Synchronous Interfaces and Virtual Terminal Lines DC-16
Encapsulation Types DC-17
Configuring Asynchronous Lines and Interfaces DC-18
How to Configure Asynchronous Interfaces and Lines DC-18
Configuring a Typical Asynchronous Interface DC-19
Monitoring and Maintaining Asynchronous Connections DC-19
Creating a Group Asynchronous Interface DC-20
Verifying the Group Interface Configuration DC-21
Configuring Asynchronous Rotary Line Queueing DC-24
Verifying Asynchronous Rotary Line Queueing DC-25
Troubleshooting Asynchronous Rotary Lines DC-25
Monitoring and Maintaining Asynchronous Rotary Line Queues DC-26
Configuring Autoselect DC-26
Verifying Autoselect PPP DC-27
Verifying Autoselect ARA DC-27