This chapter represented, in reasonable details, the different configurations for Cisco 77x and Cisco IOS-based ISDN routers, including spoofing, snapshot routing, DDR, and callback solutions. Some security features and voice features configurations are part of this chapter as well. There is another typical common solutionISDN backup, which is explained in the section, "Frame Relay and ISDN Backup Configuration" in Chapter 16, "Basic and Advanced Frame Relay Configurations." The importance of this chapter is related to the so-called expected behavior, or the baseline of the system. It is valuable for the troubleshooting engineer to set up his expectations before starting the troubleshooting process. |