1-2 Semester 8 Internetwork Troubleshooting v1.0 - Lab 9.2.3.2 Copyright  2001, Cisco Systems, Inc. Lab 9.2.3.2: Datacenter Expansion ISDN Atlas 550 192.168.16.0/24 4/1 4/2 BRI0/0 51055512340001 51055512350001 BRI0/0 51055540000001 51055540010001 .3 .7 192.168.0.0/24 192.168.200.0/24 SanJose3 London .3 .1 Fa0/0 Fa0/0 Objective: Place an ISDN BRI to ISDN BRI call from a branch office to a central site. Scenario: The datacenter in San Jose has been expanded to accommodate additional regional sites for International Travel Agency (ITA). A larger router was installed to allow more ISDN connections. The new networking devices have been configured and regional site router configurations have been modified. Regional site London and SanJose3 have not successfully established a session since the upgrade. You have been asked to assist in the troubleshooting. Step 1 Cable the lab as shown in the diagram. Load the Lab9-2-3-2-London-BrokenConfig.txt and Lab9-2-3-2- SanJose3-BrokenConfig.txt configuration files. Step 2 Start by turning on debug dialer and debug isdn events while attempting to ping London from SanJose3. Step 3 Based on the output of the previous commands, what are some possible reasons an ISDN call cannot be established between London and SanJose3? 2-2 Semester 8 Internetwork Troubleshooting v1.0 - Lab 9.2.3.2 Copyright  2001, Cisco Systems, Inc. What is your action plan to resolve the problem and establish ISDN connectivity between London and SanJose3? Step 4 Implement your action plan and observe results by attempting an ISDN session. Step 5 Document your work with summary of problem, troubleshooting methods and resolution. . v1.0 - Lab 9.2.3.2 Copyright  2001, Cisco Systems, Inc. Lab 9.2.3.2: Datacenter Expansion ISDN Atlas 550 192.168.16.0/24 4/1 4/2 BRI0/0 51055512340001. BRI to ISDN BRI call from a branch office to a central site. Scenario: The datacenter in San Jose has been expanded to accommodate additional regional