Chapter 5: Using ISDN and DDR Technologies to Enhance Remote Connectivity

Outline:

Chapter Review
Chapter Overview 
5.1 ISDN Architecture
5.1.1 ISDN versus asynchronous
5.1.2 ISDN services and channelized E1 and T1
5.1.3 BRI call processing
5.1.4 BRI functional groups and reference points
5.1.5 PRI reference points
5.2 ISDN Protocol Layers
5.2.1 ISDN layer 1
5.2.2 ISDN layer 2
5.2.3 ISDN layer 3 - channel Q.931
5.2.4 ISDN call setup
5.2.5 ISDN call teardown
5.3 ISDN BRI and DDR
5.3.1 Interesting or uninteresting traffic
5.3.2 Configuring an ISDN BRI
5.3.3 Step 1 - selecting the ISDN switch type
5.3.4 Step 2 - configuring the interface
5.3.5 Step 3 - Setting the service profile identifiers (SPID), if necessary
5.3.6 Step 4 - Setting the encapsulation protocol
5.4 Configuring Dial-on-Demand Routing (DDR)
5.4.1 Initiating Connections
5.4.2 Step 1 - defining what constitutes interesting traffic
5.4.3 Step 2 - Assigning the dialer-list to an interface
5.4.4 Step 3 - Defining destination parameters
5.4.5 Step 4 - Defining optional call parameters
5.5 Static and Default Routing
5.5.1 Use of static and default routes
5.5.2 Configuring static routes
5.5.3 Configuring default routes
5.5.4 Setting route redistribution
5.5.5 Deactivating routing updates
5.5.6 Configuring a route for initiating an ISDN call
5.5.7 Using an extended access list to define a dialer list
5.5.8 Snapshot routing
5.5.9 Snapshot routing model
5.5.10 Enabling snapshot routing
5.6 Optional Configurations
5.6.1 B-channel aggregation 
5.6.2 Cisco proprietary BOD
5.6.3 Multilink PPP
5.6.4 ISDN caller identification
5.6.5 Called-party number answering
5.6.6 ISDN rate adaptation
5.7 Monitoring the ISDN Interface
5.7.1 The show interface bri command
5.7.2 The show isdn status command
5.7.3 Verifying PPP multilink 
5.7.4 Troubleshooting MLP 
5.7.5 ISDN debug command
5.8 ISDN Primary Rate Interface
5.8.1 PRI configuration tasks
5.8.2 Selecting the PRI switch
5.8.3 Selecting the ISDN PRI controller for configuration
5.8.4 Configuring the Framing, Linecoding, and Clocking of the Controller
5.8.5 Additional ISDN PRI configuration parameters
5.8.6 PRI configuration example
5.8.7 ISDN BRI to PRI connection example using DDR
Chapter Summary

Chapter Quiz