Cisco CISCO876-SEC-I-K9 Configuration Guide - Page 135

Chapter 13 Configuring Dial Backup and Remote Management Configuring Dial Backup and Remote Management Through the ISDN S/T Port Figure 13-3 Dial Backup Directly from Router to ISDN Switch A 1 2 ATM network 3 5 4 Internet C 88208 1 PC 2 Cisco 876 router 3 DSLAM 4 Aggregator 5 ISDN switch 6 Web server 7 Administrator B 7 6 A Primary DSL interface B Dial backup and remote management through the ISDN interface (ISDN S/T port); serves as a failover link when the primary line goes down C Administrator remote management through the ISDN interface when the primary DSL link is down; serves as dial-in access to allow changes or updates to Cisco IOS configuration Configuration Tasks Perform the following tasks to configure dial backup and remote management through the ISDN S/T port of your router: • Configure ISDN Settings • Configure the Aggregator and ISDN Peer Router Configure ISDN Settings Note Traffic of interest must be present to activate the backup ISDN line by means of the backup interface and floating static routes methods. Traffic of interest is not needed for the dialer watch to activate the backup ISDN line. OL-5332-01 Cisco 850 Series and Cisco 870 Series Access Routers Software Configuration Guide 13-17